This page provides a selection of the specimens that have passed through the Fabre Minerals website and, due to their quality,
rarity, or significance as specimens from interesting locations, have been preserved as reference specimens in #MVM
The "Collada" and "Josefa-Veneros" veins at La Collada rate among the greatest in Spanish mineralogy. All Spanish collectors dream of having one of the extraordinary specimens in their collection. The specimens have a wide variation in, normally intense, color, modified edges to the crystals, and really very special forms. Although people recently found material in the same region and it is not that distinct from the classic ones, the old timers still have that special something.
| Fluorite with Quartz |
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B6RS6: From the mythic Josefa-Veneros vein at La Collada, this Fluorite on Quartz is slightly different from the classic Fluorites on Calcite, which are characteristic from that vein.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1970)
Specimen size: 1.9 × 1.4 × 1.1 cm = 0.75” × 0.55” × 0.43”
Main crystal size: 0.5 × 0.4 cm = 0.20” × 0.16”
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Fluorite |
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X56RS6: From the mythic Josefa-Veneros vein at La Collada.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1970)
Specimen size: 2.5 × 1.9 × 1.6 cm = 0.98” × 0.75” × 0.63”
Main crystal size: 1.5 × 1.4 cm = 0.59” × 0.55”
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| Fluorite |
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Front with light behind |
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Fluorescent light (daylight)
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NBA16AP6: Group of Fluorite crystals, one of them clearly dominant, with the cubic habit beveled by dodecahedron faces, between transparent and translucent, and of a very intense color, deeper on the edges.
From a classic Spanish locality from which it is very difficult to obtain specimens.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 2.9 × 2.5 × 1.8 cm = 1.14” × 0.98” × 0.71”
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Fluorite |
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B9RH2: Fluorite with beveled cubic and very transparent crystals. The main crystal shows a complete world in it, with a curious distribution of color. From the mythic Josefa-Veneros Norte vein, at La Collada.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 3.1 × 2.2 × 2.3 cm = 1.22” × 0.87” × 0.91”
Main crystal size: 1.5 × 1.4 cm = 0.59” × 0.55”
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Rear |
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| Fluorite on Quartz and Calcite |
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Recorded under neon light
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Recorded under neon light
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MRR68CD3: Deep blue cubic Fluorite crystals, translucent, with smooth faces, and beveled by the rhombododecahedron that presents a rough and a much more intense, almost blackish coloration, which is distinctive of the specimens from the Josefa-Veneros vein in La Collada.
On a matrix formed by scalenohedral crystals of white Calcite and small Quartz crystals.
A classic specimen from this locality that is acquiring a certain mythical halo with the passage of time.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain
Specimen size: 4.5 × 3.3 × 2.3 cm = 1.77” × 1.30” × 0.91”
Main crystal size: 0.4 × 0.4 cm = 0.16” × 0.16”
Former collection of M. Gabriel
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Fluorite with Calcite |
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Fluorescent light (daylight)
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NFB46AP6: Very sharp Fluorite crystals, transparent, with good luster and a violet color with geometric growths of more intense tones on the edges, on a Calcite matrix.
From a classic Spanish locality from which it is now very difficult to obtain specimens.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 4.7 × 3.3 × 2.1 cm = 1.85” × 1.30” × 0.83”
Main crystal size: 1 × 1 cm = 0.39” × 0.39”
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| Fluorite |
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Fluorescent light (daylight)
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NFJ27AP6: Group of Fluorite crystals with a cubic habit, beveled by dodecahedron faces, between transparent and translucent, and of an intense color, deeper on the edges.
From a classic Spanish locality from which it is nowadays very difficult to obtain specimens.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 4.8 × 2.9 × 2.4 cm = 1.89” × 1.14” × 0.94”
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Fluorite |
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NP56AJ8: Druse of transparent and very bright Fluorite crystals with an intense violet color, denser on the edges and at the center in some of the crystals, with a very well defined color zoning and partially coated by microcrystalline Quartz.
An Asturian classic from the Carlos Prieto collection whose label we will send to the buyer.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain
Specimen size: 5 × 3.9 × 2.2 cm = 1.97” × 1.54” × 0.87”
Main crystal size: 1.4 × 1 cm = 0.55” × 0.39”
Former collection of Carlos Prieto Paramio
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| Fluorite with Calcite |
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RA12I2: A typical group from Josefa-Veneros, with beveled edges and the color very much intense on the edges than in the faces of the cube. The specimen can be considered as a classic from the locality.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 5.6 × 4.2 × 2.7 cm = 2.20” × 1.65” × 1.06”
Main crystal size: 2.6 × 1.1 cm = 1.02” × 0.43”
Calcite fluorescent short UV & low fluorescence long UV
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Fluorite |
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Fluorescent light (daylight)
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NXJ86AP6: Druse, on matrix, of Fluorite crystals with a cubic habit beveled by dodecahedron faces, between transparent and translucent, and of an intense color, deeper on the edges.
From a classic Spanish locality from which it is very difficult to obtain specimens.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 5.6 × 4.3 × 1.7 cm = 2.20” × 1.69” × 0.67”
Main crystal size: 1.1 × 0.7 cm = 0.43” × 0.28”
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| Fluorite with Pyrite and Quartz |
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N8RH2: Pyrite and Fluorite are covering the terminal faces of Quartz crystals forming a little valley between them also covered by crystals. Some cubes of fluorite are so extremely beveled that they nearly appear as dodecahedra. A classic sample from the mythic Josefa-Veneros Norte vein, at La Collada.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 5.8 × 3.8 × 3.5 cm = 2.28” × 1.50” × 1.38”
Main crystal size: 0.3 × 0.3 cm = 0.12” × 0.12”
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Fluorite with Calcite |
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TBR50CD5: Group of cubic Fluorite crystals with light blue polycrystalline faces, very translucent and lustrous, with the classic edges modified by lilac-colored rough rhombohedral faces so characteristic of Josefa-Veneros, and with scalenohedral crystals of Calcite on the back of the piece.
About fifty years have passed since this piece was found and we still continue to marvel at Josefa-Veneros' quality specimens, like this one, which comes from Julio Martín's collection.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 6.7 × 5.2 × 3 cm = 2.64” × 2.05” × 1.18”
Main crystal size: 2.4 × 2.2 cm = 0.94” × 0.87”
Former collection of Julio Martin
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Recorded under neon light
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Recorded under neon light
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| Fluorite |
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TF49W9: Aggregate of transparent cubic crystals beveled by the faces of the dodecahedron. Their color is between violet and blue, with diffuse color zoning. The simple has, on its back, some remains of Calcite that prove the locality is “Filón Josefa-Veneros”, one of the great classics of Spanish mineralogy.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain
Specimen size: 8.3 × 7.7 × 5.5 cm = 3.27” × 3.03” × 2.17”
Main crystal size: 4.1 × 3.5 cm = 1.61” × 1.38”
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Fluorite |
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Fluorescent light (daylight)
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NXJ57AP6: Group of Fluorite crystals, one of them clearly dominant, with a cubic habit beveled by dodecahedron faces, between transparent and translucent, violet in the center of the crystal and between blue and lilac around the edges.
From a classic Spanish locality from which it is very difficult to obtain specimens anymore.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 6.1 × 4.4 × 3.9 cm = 2.40” × 1.73” × 1.54”
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Front with light behind |
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| Fluorite |
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Front | 
Front with light behind | 
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Fluorescent light (daylight)
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NTR96AP6: Group of Fluorite crystals, one of them clearly dominant, with a cubic habit beveled by dodecahedron faces, between transparent and translucent, violet in the center of the crystal and between blue and lilac around the edges.
From a classic Spanish locality from which it is very difficult to obtain specimens anymore.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 6.1 × 5.1 × 5 cm = 2.40” × 2.01” × 1.97”
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Fluorite |
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Fluorescent light (daylight)
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TQX37AP5: Group of Fluorite crystals on matrix, one of them dominant, with a cubic habit beveled by the typically rough faces of the dodecahedron. From the famous Josefa-Veneros vein, a classic of Spanish mineralogy.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain
Specimen size: 6.5 × 5 × 4.5 cm = 2.56” × 1.97” × 1.77”
Main crystal size: 1.8 × 1.6 cm = 0.71” × 0.63”
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| Fluorite |
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Fluorescent light (daylight)
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NJA88AP6: Group of Fluorite crystals with a cubic habit, finely beveled by dodecahedron faces, between transparent and translucent, and violet in color with bluish tones.
From a classic Spanish locality from which it is nowadays very difficult to obtain specimens.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 8.4 × 7.4 × 3.4 cm = 3.31” × 2.91” × 1.34”
Main crystal size: 4 × 1.3 cm = 1.57” × 0.51”
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Fluorite |
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Fluorescent light (daylight)
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NCA37AP6: Druse, on matrix, of Fluorite crystals with a cubic habit beveled by dodecahedron faces, transparent, shiny, with inclusions, and a color between blue and violet, more intense on the edges.
From a classic Spanish locality from which it is nowadays very difficult to obtain specimens.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 9.5 × 5.4 × 3.8 cm = 3.74” × 2.13” × 1.50”
Main crystal size: 2.6 × 2 cm = 1.02” × 0.79”
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| Fluorite |
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MR69AJ2: Group of cubic-shaped crystals, clearly beveled by dodecahedron faces, between transparent and translucent and showing an intense and uniform violet color. A classic of the Asturian Fluorites.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1970)
Specimen size: 10.2 × 7.3 × 3.4 cm = 4.02” × 2.87” × 1.34”
Main crystal size: 2.5 × 2.5 cm = 0.98” × 0.98”
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Fluorite |
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Fluorescent light (daylight)
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MV56AI7: Group of cubic crystals beveled by dodecahedron faces that have polycrystalline growths. They are transparent, bright, and have a deep violet color on the edge and are sky blue in the interior.
The sample, a Spanish classic with a great quality, is from Dr. Anton Forster, a mining engineer and collaborator of Dr. Maucher at Munich University. Dr. Forster was the Geologist in Chief at La Collada when the famous samples from the Josefa-Veneros vein were collected.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1970)
Specimen size: 12.4 × 8.7 × 8.2 cm = 4.88” × 3.43” × 3.23”
Main crystal size: 4.2 × 3.6 cm = 1.65” × 1.42”
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| Fluorite |
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Front / Photo: Joaquim Callén | 
Rear / Foto: Joaquim Callén |
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Fluorescent light (daylight)
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NFB88AP6: Druse of Fluorite crystals with a cubic habit strongly beveled by dodecahedron faces, transparent, with bright luster and an intense violet color with bluish tones.
From a classic Spanish locality from which it is very difficult to obtain specimens.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 12.7 × 8.6 × 5.6 cm = 5.00” × 3.39” × 2.20”
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Fluorite |
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NA70AH7: Group of large cube-shaped crystals beveled by the polycrystalline surfaces of the dodecahedron. They are transparent, with a color between violet and blue and have color zonation. The sample is a Spanish classic.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1970)
Specimen size: 12.7 × 10.7 × 6.4 cm = 5.00” × 4.21” × 2.52”
Main crystal size: 5.5 × 5.5 cm = 2.17” × 2.17”
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Light behind |
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| Fluorite |
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Light behind |
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Fluorescent light (daylight)
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TML93AP9: Group of cubic crystals beveled by dodecahedron faces with polycrystalline surfaces, transparent, shiny, purple in the areas around the edges and light blue inside. A Spanish classic, without the Calcite that characterizes the deposit, but of high quality.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (±1974)
Specimen size: 14.8 × 11 × 8.4 cm = 5.83” × 4.33” × 3.31”
Main crystal size: 7.3 × 6.3 cm = 2.87” × 2.48”
Minor fluorescence short UV
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From when mining ended at La Collada until 1998 almost no new specimens were found in the area. That said there were a few finds, such as the large April 1994 pocket called 'Geoda del Reguerín' which was found near the La Viesca area. The pocket was filled with water, but from beneath the water a large number of specimens emerged, with light sky blue crystals of Fluorite that have pale violet phantoms. While the crystals are not that large they are very transparent, and almost always on Quartz matrix. We bought the majority of this find and have some of them below.
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Fluorite with Quartz |
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R40A: Very clear, good crystal form.
La Viesca Mine, Reguerín pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (04/1994)
Specimen size: 3.5 × 3 cm = 1.38” × 1.18”
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| Fluorite with Quartz |
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R56CI7: Very transparent, neat and bright group of cubic crystals. Their color is very pale blue with very well defined zonation of color. They are on a matrix partially covered by small Quartz crystals.
La Viesca Mine, Reguerín pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (04/1994)
Specimen size: 8.9 × 7.9 × 5.8 cm = 3.50” × 3.11” × 2.28”
Main crystal size: 2.1 × 1.7 cm = 0.83” × 0.67”
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Fluorite with Quartz |
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NF86M5: Typical sample from the famous El Reguerín pocket, characterized by groups of cubic crystals of beautiful pale blue color with thin geometric violet zoning. The crystals are partially covered by small Quartz crystals, also partially covering the matrix.
La Viesca Mine, Reguerín pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (04/1994)
Specimen size: 12 × 9.2 × 7.3 cm = 4.72” × 3.62” × 2.87”
Main crystal size: 3.5 × 3.5 cm = 1.38” × 1.38”
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| Fluorite with Quartz |
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R26ECM3: A classic from the April 1994 find in the well known pocket of El Reguerín, in the La Collada district. Very transparent Fluorite crystals with an excellent and zoned blue color. With a thin layer of microcrystalline Quartz on some Fluorite faces.
La Viesca Mine, Reguerín pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (04/1994)
Specimen size: 13 × 8.2 × 6.3 cm = 5.12” × 3.23” × 2.48”
Main crystal size: 4.7 × 4.3 cm = 1.85” × 1.69”
Minor fluorescence long & short UV
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In Spain there are two classic localities for quality Fluorite: Berbes and La Collada. At the latter, extraordinary specimens were found when the mine was worked in the 60s and 70s. Their color varied between blue and green, phantoms were frequently present, and the edges of the crystals were often modified. Between 1998 and 1999 with the aid of heavy equipment, they managed to remove the spoil from an area of the La Collada mine and find a number of reasonably sized pockets with good crystals which are violet or deep blue, and often have phantoms. From these finds we were able to present the following specimens.
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Fluorite |
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N8DD9: More transparent and brilliant than most other specimens from La Collada, and, as it lacks the typical modification to the edges, it looks more like one from Berbes – but it is from La Collada. Very nice as well!
La Viesca Mine, Tiro pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (11/1998)
Specimen size: 5.5 × 2.8 × 1.8 cm = 2.17” × 1.10” × 0.71”
Main crystal size: 1.5 × 1.5 cm = 0.59” × 0.59”
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NP46L3: Big translucent beveled cubic crystal of Fluorite showing a violet color with blue internal reflections and marked zoning with more intense and violet shade. On matrix partially covered by small and brilliant Quartz crystals.
La Viesca Mine, Tiro pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (11/1998)
Specimen size: 6.7 × 6.5 × 9.3 cm = 2.64” × 2.56” × 3.66”
Main crystal size: 6.7 × 5.8 cm = 2.64” × 2.28”
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Fluorite |
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S164S: Floater, with multiple phantoms of different color.
La Viesca Mine, Tiro pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (11/1998)
Specimen size: 7 × 6 cm = 2.76” × 2.36”
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| Fluorite with Quartz |
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N27AL5: Cubic Fluorite crystals with polysynthetic growths that form tiled structures on the cube faces. We would like to emphasize the geometric color zoning, very intense, with colors that vary from the sky blue, a little greenish, in the external zones to the deepest violet, with a medium lilac zone, and bluish gray in the crystal core.
La Viesca Mine, Tiro pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (11/1998)
Specimen size: 9.5 × 8 × 7.3 cm = 3.74” × 3.15” × 2.87”
Main crystal size: 5.7 × 3.8 cm = 2.24” × 1.50”
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Fluorite |
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N27HL5: Group of beveled cubic crystals with polysynthetic growths forming tiled structures on the cube faces. Crystals are translucent and their color varies between the greenish blue and lilac.
La Viesca Mine, Tiro pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (11/1998)
Specimen size: 11.4 × 8.2 × 6.5 cm = 4.49” × 3.23” × 2.56”
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NE87S5: Aggregate of beveled cubic crystals of good size. They are transparent, deep violet and with geometrical zoning of their color. The sample is from the site known as the Geoda Destartalada (Destartalada pocket), one of the first found after the reopening of the mining works at the La Viesca-La Collada area, in 1999.
La Viesca Mine, Destartalada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (03/1999)
Specimen size: 13.4 × 9 × 7.7 cm = 5.28” × 3.54” × 3.03”
Main crystal size: 7.7 × 4 cm = 3.03” × 1.57”
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Fluorite with Quartz |
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N90DD9: Crystals of purple Fluorite, with zoned phantoms, good shininess, and small crystals of Fluorite that have grown on the first generation of crystals. On top of that, in the center of the specimen there is an old scalenohedron of Calcite that has been completely replaced by Quartz and which stands upright and aerial on the Fluorite.
The specimen has been reviewed and published in the magazine ‘Bocamina’ on page 60 in number 19, year 2007.
La Viesca Mine, Tiro pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (11/1998)
Specimen size: 23.5 × 11.5 × 10.5 cm = 9.25” × 4.53” × 4.13”
Main crystal size: 1.5 × 1.2 cm = 0.59” × 0.47”
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During December of 2001 in the La Collada area of Asturias, Spain, a series of pockets of Fluorite was found. Physically they was found very close to another old find in the "El Reguerín" area, but luckily the color of these specimens is better than those from the previous find. More intense, with a spectacular color change from sky blue to mauve depending the kind of light. Their luster is better too.
As is quite common in the La Collada area these specimens show naturally modified corners.
| Fluorite with Quartz |
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NN6L5: Group of transparent and beveled cubic Fluorite crystals. The main feature of this specimen is the slight curvature of the crystal bevels smoothing the crystal appearance. An interesting miniature.
La Viesca Mine, Reguerín II pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (12/2001)
Specimen size: 2.8 × 2.6 × 1.9 cm = 1.10” × 1.02” × 0.75”
Main crystal size: 1.8 × 1.2 cm = 0.71” × 0.47”
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Fluorite |
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NP9G8: Two main cubic crystals have a magnificent blue color. The degree of transparency varies due to the growing factors. The rhombohedron also appears, forming a bevel.
La Viesca Mine, Reguerín II pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (12/2001)
Specimen size: 3.5 × 3.3 × 5.5 cm = 1.38” × 1.30” × 2.17”
Main crystal size: 2,9 × 2.6 cm = 0.79” × 1.02”
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| Fluorite with Quartz |
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NR60G8: Strong zonation formed by two different growth phases. The first phase, deep violet in the inner crystal part, and a second one, outside, of a vivid blue color. The crystal sits on a minimal Quartz matrix.
La Viesca Mine, Reguerín II pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (12/2001)
Specimen size: 5 × 3.8 × 3.8 cm = 1.97” × 1.50” × 1.50”
Main crystal size: 3.8 × 3.2 cm = 1.50” × 1.26”
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Fluorite |
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NP58D9: It has a more intense color than the other specimens and has a very nice architecture. A very esthetic floater.
La Viesca Mine, Reguerín II pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (12/2001)
Specimen size: 5.5 × 4 × 3.1 cm = 2.17” × 1.57” × 1.22”
Main crystal size: 1.5 × 1.3 cm = 0.59” × 0.51”
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| Fluorite on Quartz |
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NE58G8: Color and luster are, maybe, less intense than usual but compensated by the esthetical aspect of the piece, aerial on a fine matrix of Quartz, and the shape of the faces, that are clear on their beveled edges.
La Viesca Mine, Reguerín II pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (12/2001)
Specimen size: 7.6 × 6.5 × 2.5 cm = 2.99” × 2.56” × 0.98”
Main crystal size: 1.2 × 1.2 cm = 0.47” × 0.47”
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Fluorite with Quartz |
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ND10AD3: Druse, on a Quartz matrix, of cubic Fluorite crystals with polycrystalline growths on their faces. They are transparent, bright and have a violet-blue color.
La Viesca Mine, Reguerín II pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (12/2001)
Specimen size: 8.3 × 5.2 × 2.5 cm = 3.27” × 2.05” × 0.98”
Main crystal size: 1.1 × 0.8 cm = 0.43” × 0.31”
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| Quartz after Calcite |
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NM61D9: Let’s see: some scalenohedrons of Calcite once existed in the pocket. They are now long gone and all that remains is the form of the faces of the old Calcite crystals that have been preserved by the coating of Quartz that formed on them. It is a floater with a very clean appearance and great originality. It is the most spectacular of the specimens of this type that came out of this find.
The specimen has been reviewed and published in the magazine ‘Bocamina’ on page 62 in number 19, year 2007.
La Viesca Mine, Reguerín II pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (12/2001)
Specimen size: 11.5 × 9.5 × 5 cm = 4.53” × 3.74” × 1.97”
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At the end of the month of May 2003 in the La Collada mining area they found a superb pocket the size of at least two cars and full of crystallized specimens. This pocket was named "Tres de La Collada" for the name of the area where it was found and it supplied more than 6000 specimens. That seems like a lot of specimens, but as is usual in this kind of find, only a few of this huge total had "collector quality". Well connected with all main Spanish finds, we went there immediately and we made a significant selection of our favorite specimens.
In some cases (the bluer ones) the shape is very similar to the famous old classic La Collada Fluorite, with naturally modified corners. In other cases (the more violet ones) they are completely different from the others found at this locality in the past. The white Quartz matrix in a few specimens completes the fame of the find.
As usual with La Collada classic specimens, the surface of the crystals is not that brilliant, but rather slightly glazed. This is due to a second generation of globular Fluorite (by the way very similar to the new Indian ones) partially covering the surface of the crystals. When viewed with a magnifying glass it is spectacular as it looks like sea waves.
Please note that all the specimens are shown with two kind of lights: fluorescent or day light and bulb light. The color depends so much on which of these two light sources is used that we preferred to display them in the two different lights.
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Fluorite |
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NA26D5: Sharp, with a very good display form, this specimen shows on the back if it minor dissolution Fluorite crystals around the relict of the matrix where the specimen grew.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (05/2003)
Specimen size: 6.2 × 4 × 4.2 cm = 2.44” × 1.57” × 1.65”
Main crystal size: 3 × 3 cm = 1.18” × 1.18”
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neon light (day light) | 
bulb light |
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| Fluorite |
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fluorescent light (day light) | 
bulb light |
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NK6C9: A hyper "new classic" with its phantoms, naturally modified corners, and a floater with contacts on its rear.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (05/2003)
Specimen size: 6.5 × 4.8 × 4 cm = 2.56” × 1.89” × 1.57”
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Fluorite |
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NQ96G8: Beautiful group of crystals with an excellent color and luster. The last growth phase formed divergent crystals which seem, in some edges, to be nearby isolated.
The specimen has been reviewed and published in the magazine ‘Bocamina’ on page 59 in number 19, year 2007.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (05/2003)
Specimen size: 9.2 × 8 × 4.8 cm = 3.62” × 3.15” × 1.89”
Main crystal size: 3.1 × 2.7 cm = 1.22” × 1.06”
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fluorescent light (day light) | 
bulb light |
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| Fluorite with Quartz |
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neon light (day light) | 
bulb light |
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ND76D5: The form is so beautiful. The crystals display so well and contrast with the Quartz matrix! Plus all of them are complete at the rear as well..
This specimen was photographed and published in the magazine "Lapis" number 7-8 / 2013, page 48
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (05/2003)
Specimen size: 11 × 8 × 6.5 cm = 4.33” × 3.15” × 2.56”
Main crystal size: 4 × 4 cm = 1.57” × 1.57”
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| Fluorite with Quartz and Calcite |
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EF53AI8: Druse of Fluorite crystals neatly cube shaped, transparent, very bright and very well defined geometric color zoning, with color bands varying from sky blue to purple and to lilac. Partially coated by small Quartz crystals.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (01/2004)
Specimen size: 14.8 × 9.7 × 5.4 cm = 5.83”
Main crystal size: 3 × 2.7 cm = 1.18” × 1.06”
Former collection of Raúl Sanabria
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Fluorite with Quartz |
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NZ47D1: Extremely large, this showy specimen is the best of the find in this size. I think that the photo says everything, but let me tell you that the form it is just wonderful, the color is very intense, and the whole specimen very spectacular when you have it in front of you!.
The specimen has been reviewed and published in the magazine ‘Bocamina’ on page 61 in number 19, year 2007.
La Viesca Mine, Tres de la Collada pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (05/2003)
Specimen size: 29 × 15 × 9 cm = 11.42” × 5.91” × 3.54”
Main crystal size: 4 × 3 cm = 1.57” × 1.18”
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neon light (day light) | 
bulb light |
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If you want to know more about "Coquera de la Calcita" Fluorite please follow this link
| Fluorite with Quartz |
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neon light (day light) | 
bulb light |
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NJ11F2: The cubic crystallization, the color, and the internal zones are all good reasons to like this specimen and the general esthetics is enhanced by the matrix covered in water-clear Quartz.
The specimen has been reviewed and published in the magazine ‘Bocamina’ on page 70 in number 19, year 2007.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (01/2004)
Specimen size: 5.7 × 4.8 × 4 cm = 2.24” × 1.89” × 1.57”
Main crystal size: 3.7 × 3 cm = 1.46” × 1.18”
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Fluorite with Calcite |
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NT86T0: Group of cubic crystals with intense luster and a very deep color, violet with bluish shades, and geometrical color zoning on the bevels. They are on a group of white scalenohedral crystals of Calcite. The sample is from material compiled for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, regarding the different pockets as well as the dates of the finds.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (01/2004)
Specimen size: 6 × 4 × 3.8 cm = 2.36” × 1.57” × 1.50”
Main crystal size: 2 × 1.5 cm = 0.79” × 0.59”
Former Fernando Brugos
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| Fluorite with Quartz |
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NV36W5: Aggregate of cubic crystals beveled by dodecahedron faces. They have a very deep color that masks their transparency and the geometrical color zoning, visible under a strong light.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (01/2004)
Specimen size: 6.9 × 6.3 × 3.2 cm = 2.72” × 2.48” × 1.26”
Main crystal size: 2.6 × 2.4 cm = 1.02” × 0.94”
Former Fernando Brugos
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Fluorite with Quartz |
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NM96F2: The color is great in this one. The crystals are dominated by blue zones that are enhanced by the transparency. The slight covering of the surface by Quartz adds an extra touch.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (01/2004)
Specimen size: 7 × 7 × 4.5 cm = 2.76” × 2.76” × 1.77”
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bulb light |
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| Fluorite |
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NX68T0: Group of cubic crystals with echeloned bevels. They are very bright, very transparent and have violet blue color with very well defined geometrical color zones. The sample is from material compiled for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, regarding the different pockets as well as the dates of the finds.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (01/2004)
Specimen size: 8.4 × 7.4 × 4.2 cm = 3.31” × 2.91” × 1.65”
Main crystal size: 4 × 3.8 cm = 1.57” × 1.50”
Former Fernando Brugos
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Fluorite with Calcite and Quartz |
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NC30T0: Group of cubic crystals of Fluorite with echeloned bevels. They are very bright, very transparent and have violet blue color with geometrical color zoning. They are on matrix with crystals of Quartz and white scalenohedrons of Calcite. The sample is from material compiled for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, regarding the different pockets as well as the dates of the finds.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (01/2004)
Specimen size: 12.4 × 9.2 × 4.4 cm = 4.88” × 3.62” × 1.73”
Main crystal size: 2.1 × 2 cm = 0.83” × 0.79”
Former Fernando Brugos
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| Calcita with Fluorite and Quartz |
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NG46F7: Calcite is not so common in this Quarry. In this case we have a quite large, rounded crystal of Calcite on the typical matrix of Fluorite and Quartz, although in this case the Fluorite is colorless. Curiously the Calcite is intensely yellow-orange near the rear, almost certainly due to the presence of oxides that were in the iron rich fluids from which it formed.
La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (01/2004)
Specimen size: 12.5 × 10.5 × 8.5 cm = 4.92” × 4.13” × 3.35”
Main crystal size: 6.6 × 5.2 cm = 2.60” × 2.05”
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