NL68T8: Group of cubic crystals with the edges widely beveled by echeloned growths. They have a clear lilac color and are transparent, with geometrical color zoning showing a deeper internal color and they are on a matrix of crystallized Quartz. The sample is from material collected for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, the different pockets as well as the dates of the finds have been recorded.
La Viesca Mine, La Falla pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (08/2004)

Specimen size: 10.5 × 7.2 × 4 cm = 4.13” × 2.83” × 1.57”

Main crystal size: 4.5 × 3.8 cm = 1.77” × 1.50”

NM29T8: Big cubic crystal beveled by the dodecahedron, transparent and with geometrical color zoning, with color varying between intense blue, lilac and violet. The sample is from material collected for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, the different pockets as well as the dates of the finds have been recorded.
La Viesca Mine, Las Calcitas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (02-05/2007)

Specimen size: 10 × 8.4 × 5.8 cm = 3.94” × 3.31” × 2.28”

Main crystal size: 8.6 × 8.1 cm = 3.39” × 3.19”

NR66T8: Group of cubic crystals beveled by the dodecahedron. They are transparent, bright and have a very deep and intense bluish-violet color. The sample is from material collected for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, the different pockets as well as the dates of the finds have been recorded.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 7.3 × 5.5 × 3.8 cm = 2.87” × 2.17” × 1.50”

Main crystal size: 2.7 × 2.4 cm = 1.06” × 0.94”

NC47Z2: Translucent crystals with a very deep and intense color, with smooth cubic faces beveled by the dodecahedron with polycrystalline growths.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 9.4 × 7.5 × 7.6 cm = 3.70” × 2.95” × 2.99”

Main crystal size: 2.6 × 2.2 cm = 1.02” × 0.87”

NB87Z2: Very aerial group of translucent crystals with very deep and intense color, with smooth cubic faces beveled by the dodecahedron that has polycrystalline growths. The crystals are on a matrix coated by Quartz crystals, some of them doubly terminated.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 10.5 × 8.6 × 5.5 cm = 4.13” × 3.39” × 2.17”

Main crystal size: 3.7 × 3.2 cm = 1.46” × 1.26”

NK30Z2: Group, on matrix, of transparent, very bright crystals with a very deep and intense color and showing cube faces beveled by the dodecahedron.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 11.7 × 9.6 × 3.4 cm = 4.61” × 3.78” × 1.34”

Main crystal size: 1.7 × 1.5 cm = 0.67” × 0.59”

NRM93AP6: Druse, on matrix, of Fluorite crystals with a cubic habit beveled by dodecahedron faces, transparent, with good luster and a very deep color, even more intense around the edges. With a small scalenohedral crystal of Calcite.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 20.3 × 11.2 × 10.3 cm = 7.99” × 4.41” × 4.06”

Main crystal size: 1.7 × 1.7 cm = 0.67” × 0.67”

NA96AE1: Druse of cubic crystals on matrix. The crystals, beveled by dodecahedral faces, are transparent, very bright, have a very intense violet color with geometric color zoning which is very well defined with deeper shades in the center. We note the quality and the condition of the sample, uncommon in such large pieces. One of the best samples from the cavity.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 23.5 × 17.5 × 6.5 cm = 9.25” × 6.89” × 2.56”

Main crystal size: 2.4 × 2.2 cm = 0.94” × 0.87”

NM87T8: Group of cubic crystals of Fluorite beveled by the dodecahedron. They are very bright, with a very deep color and good transparency that show a geometrical color zoning parallel to the edges. With very small bright crystals of Chalcopyrite peppering the Fluorite faces and on a matrix of crystallized Calcite. The sample is from material collected for years by Fernando Brugos, former owner of the La Viesca claim. This material has been accurately documented, the different pockets as well as the dates of the finds have been recorded.
La Viesca Mine, El Furaco pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (20/08/2009)

Specimen size: 8.9 × 6.8 × 5.7 cm = 3.50” × 2.68” × 2.24”

Main crystal size: 3.6 × 3.4 cm = 1.42” × 1.34”

NX37T0: Group of transparent cubic crystals. They are very bright, of very intense sky blue color and are with small crystals of Quartz. 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, Galería 49 pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (09-12/2009)

Specimen size: 6.9 × 6 × 4.7 cm = 2.72” × 2.36” × 1.85”

Main crystal size: 3.2 × 2.7 cm = 1.26” × 1.06”

NP89Z2: Aggregate of transparent, very bright crystals with a very intense sky blue color. They are formed by the faces of the cube beveled by the dodecahedron. They are on matrix, with small Quartz crystals.
La Viesca Mine, Galería 49 pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (09-12/2009)

Specimen size: 15.5 × 10.2 × 6 cm = 6.10” × 4.02” × 2.36”

Main crystal size: 2.3 × 2.2 cm = 0.91” × 0.87”

NP92AK0: Group of cubic crystals with polycrystalline growths on the surface of the faces, between transparent and translucent, bright with an extraordinary blue color that is very intense and deep and which turns to lilac in some areas. On a matrix of Quartz crystal coatings of former Calcite crystals as frequently happens in the specimens of this particular pocket.
La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2010)

Specimen size: 12.2 × 6.2 × 4.4 cm = 4.80” × 2.44” × 1.73”

Main crystal size: 6.2 × 6 cm = 2.44” × 2.36”

NC69AK0: Group of cubic crystals, one of them clearly dominant, with polycrystalline growths on the surface of the faces, between transparent and translucent, bright, with a very intense deep blue color and with small coatings of Quartz crystals.
La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2010)

Specimen size: 12.3 × 7.5 × 6.8 cm = 4.84” × 2.95” × 2.68”

Main crystal size: 6.7 × 5.8 cm = 2.64” × 2.28”

NTB96AO2: Group of Fluorite crystals with polycrystalline growths on the surface of the faces, between transparent and translucent, with good luster and an intense color, with marked geometric color zoning on the edges,and on a matrix of white Quartz epimorphs after older crystals of Calcite that have disappeared.
La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (05/2010)

Specimen size: 21.1 × 13.2 × 8 cm = 8.31” × 5.20” × 3.15”

Main crystal size: 3.5 × 2 cm = 1.38” × 0.79”

TVX96AP4: Fluorite crystal with a cubic habit, transparent, lustrous, and with a very sharp geometric phantom marked by the blue and violet color boundary.
This specimen comes from the Miguel David Martínez collection (number 773), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2003)

Specimen size: 2.5 × 2.3 × 2.3 cm = 0.98” × 0.91” × 0.91”

NV26AM1: Group of Fluorite crystals with cubic habit and polycrystalline formations on the faces, transparent, very lustrous and with a uniform blue color with violet tones.
The specimen comes from the Miguel David Martínez collection (nº. 521) whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2016)

Specimen size: 4.2 × 3.4 × 2.7 cm = 1.65” × 1.34” × 1.06”

Main crystal size: 2 × 1.7 cm = 0.79” × 0.67”

NTV68AO2: Group of Fluorite crystals with steps and polycrystalline growths, between transparent and translucent, with good luster and a very deep and intense blue color with violet tones.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 4.6 × 4.5 × 3 cm = 1.81” × 1.77” × 1.18”

Main crystal size: 2.4 × 1.8 cm = 0.94” × 0.71”

NBM70AO5: Group of cubic crystals, one of them clearly dominant, with polycrystalline growths on the edges, very transparent, with good luster and a light blue color on the peripheral areas and with different shades of intense violet, with geometric zoning that forms a phantom growth.
An excellent Spanish classic.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2015)

Specimen size: 4.9 × 4.9 × 3.3 cm = 1.93” × 1.93” × 1.30”

Main crystal size: 4 × 3.4 cm = 1.57” × 1.34”

NB64AL9: Very sharp Fluorite crystals that are completely transparent, with extraordinary luster, a light lilac color and with small crystals of Sphalerite. On matrix with small Quartz crystals. The specimen is unusual for the presence of transparent and clear colored Sphalerite.
It comes from the Miguel David Martínez collection (number 528), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2016)

Specimen size: 5 × 3.3 × 2.1 cm = 1.97” × 1.30” × 0.83”

Main crystal size: 1.3 × 1 cm = 0.51” × 0.39”

TBB26AP9: Fine, very aerial group of Fluorite crystals with very marked polycrystalline growths, transparent, shiny green with bluish tones, and with a small matrix with Quartz microcrystals. High quality for the locality.
The specimen comes from the collection of Miguel David Martínez Pérez (number 2400), whose label we will send to the buyer.
La Sirena cut, La Collada mining area, La Collada, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2014)

Specimen size: 5.2 × 2.5 × 2.4 cm = 2.05” × 0.98” × 0.94”

Main crystal size: 1.9 × 1.6 cm = 0.75” × 0.63”

TC2240NNB: Group of Fluorite crystals with steps and polycrystalline growths, translucent, with good luster and a very deep and intense color.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2015)

Specimen size: 5.6 × 4.2 × 3.2 cm = 2.20” × 1.65” × 1.26”

Main crystal size: 1.4 × 1.2 cm = 0.55” × 0.47”

TC2220NMR: Group of Fluorite crystals with steps and polycrystalline growths, transparent, with good luster and a sky-blue color with violet tones, and with small Chalcopyrite crystals on their faces as well as a Calcite scalenohedron.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2015)

Specimen size: 5.7 × 5.1 × 2.8 cm = 2.24” × 2.01” × 1.10”

Main crystal size: 1.4 × 1.4 cm = 0.55” × 0.55”

NXM37AO7: Group of Fluorite crystals, beveled by the dodecahedron, transparent, lustrous and practically water-clear, contrasting with the coatings of hematoidal Quartz crystals in the matrix.
This specimen has unusual characteristics for La Viesca Fluorite, and comes from the collection of Miguel David Martínez (number 865), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 5.8 × 3.5 × 2.7 cm = 2.28” × 1.38” × 1.06”

Main crystal size: 0.9 × 0.8 cm = 0.35” × 0.31”

NA90AL5: Two cubic Fluorite crystals beveled by the rhombododecahedron, very clean and transparent, bright and with geometric color zoning.
The specimen comes from the Miguel David Martínez collection (No. 526), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2016)

Specimen size: 6 × 6 × 4.2 cm = 2.36” × 2.36” × 1.65”

Main crystal size: 4 × 3.5 cm = 1.57” × 1.38”

NF37AL4: Floater Fluorite crystal, with cubic crystal forms and a polycrystalline rhombododecahedral bevel and recrystallizations on the back, between transparent and translucent, with fine Quartz coatings. The Fluorite exhibits geometric color zoning between lilac and blue, much more intense in the core of the crystal.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007)

Specimen size: 6.4 × 5.7 × 3.9 cm = 2.52” × 2.24” × 1.54”

NR47AL4: Group of Fluorite crystals beveled by rhombododecahedron faces, transparent, shiny, blue with lilac tones, geometric color zoning and small white Quartz coatings.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2015)

Specimen size: 6.7 × 4.8 × 3.3 cm = 2.64” × 1.89” × 1.30”

Main crystal size: 2.6 × 2.4 cm = 1.02” × 0.94”

NBT89AO4: Group of Fluorite crystals beveled by dodecahedron faces with polycrystalline growths, transparent and with a dominant blue color, with well-defined geometric zoning by shades of varying intensity between blue and violet. On a matrix of Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2018)

Specimen size: 6.8 × 6.2 × 4.7 cm = 2.68” × 2.44” × 1.85”

Main crystal size: 2.8 × 2.7  cm = 1.10” × 1.06”

NMB89AO4: Floater group of Fluorite crystals beveled by dodecahedron faces with polycrystalline growths, transparent and with a dominant blue color, with well-defined geometric zoning by shades of varying intensity between blue and violet.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 7 × 6 × 3.2 cm = 2.76” × 2.36” × 1.26”

Main crystal size: 2.7 × 2 cm = 1.06” × 0.79”

NTB69AO7: Group of transparent, lustrous, purple Fluorite crystals, geometrically zoned with much deeper color around the edges. Very aesthetic.
The specimen comes from the collection of Miguel David Martínez (number 841), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 7 × 6.4 × 4.3 cm = 2.76” × 2.52” × 1.69”

Main crystal size: 3.1 × 3.1 cm = 1.22” × 1.22”

NT98AL4: Slightly elongated Fluorite crystal, with marked polycrystalline growths, translucent, with an intense sky-blue color and covered with small Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2010)

Specimen size: 7.1 × 5.9 × 5.9 cm = 2.80” × 2.32” × 2.32”

SV290TFF: Two main groups of Fluorite crystals clearly beveled by the faces of the dodecahedron,
with polycrystalline growths in one of them, transparent and with a dominant bluish color, hosted in a limestone rock matrix -known as “Mountain limestone”- totally carpeted by small water-clear Quartz crystals. From the prolific, but already closed, La Viesca mine.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 7.3 × 5.8 × 5.8 cm = 2.87” × 2.28” × 2.28”

Main crystal size: 3.2 × 2.5 cm = 1.26” × 0.98”

NEX68AP3: Group of Fluorite crystals formed by smooth cube and dodecahedron faces, with fine polycrystalline growths, very transparent, lustrous and violet in color with bluish areas.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 7.3 × 5.9 × 6.2 cm = 2.87” × 2.32” × 2.44”

NG89AL5: Crystals with a cubic habit with polycrystalline surfaces and staggered faces, transparent, bright, with a very intense color between lilac and mauve, on matrix, with Quartz crystals.
This piece comes from the Miguel David Martínez collection (no. 442), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2015)

Specimen size: 7.4 × 5.2 × 4.8 cm = 2.91” × 2.05” × 1.89”

Main crystal size: 3.1 × 3 cm = 1.22” × 1.18”

NB89AL4: Group of Fluorite crystals beveled by thin rhombododecahedral faces, transparent, brilliant and of a very intense blue color with violet tones. An excellent Spanish classic.
This specimen has been published on the Mineralogical Record´s web page, in the ‘What's New’ section, report 56, June 6, 2020 edition, page 2
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2009)

Specimen size: 8.2 × 7.8 × 5 cm = 3.23” × 3.07” × 1.97”

Main crystal size: 3.2 × 2.7 cm = 1.26” × 1.06”

NR99AL4: Fluorite crystal with marked polycrystalline and stepped growths, translucent and with a very intense light blue color.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2010)

Specimen size: 8.4 × 7.7 × 6.6 cm = 3.31” × 3.03” × 2.60”

NJ27AM5: Very elongated Fluorite crystals rich in polycrystalline surfaces and with geometric contacts on the back. Translucent, with bright luster and an intense light blue color, on matrix, with white Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2010)

Specimen size: 8.6 × 7 × 4.2 cm = 3.39” × 2.76” × 1.65”

Main crystal size: 4.2 × 1.6 cm = 1.65” × 0.63”

NNL99AN9: Druse of transparent Fluorite crystals, with a very bright luster and an extraordinarily vivid blue color with geometric zoning of an intense violet color. This specimen, a Spanish classic, comes from the Miguel David Martínez collection (number 819) whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2017)

Specimen size: 8.8 × 5.1 × 5.4 cm = 3.46” × 2.01” × 2.13”

Main crystal size: 3.2 × 3.2 cm = 1.26” × 1.26”

NMX14AO0: Very aerial growth of Fluorite crystals with the cube clearly beveled by rhombododecahedron crystal forms, transparent, with good luster and a uniform blue color, with violet hues and fine coatings of Pyrite microcrystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2018)

Specimen size: 9 × 5.7 × 3.9 cm = 3.54” × 2.24” × 1.54”

Main crystal size: 0.4 × 0.4 cm = 0.16” × 0.16”

GP87AK0: Crystals of cubic habit beveled by the dodecahedron, between transparent and translucent, bright with an uniform lilac color and perched in a matrix covered by transparent crystals of Quartz. A classic Asturian specimen from the Casado Margolles collection (number AC FALO 10) whose label is attached to the piece.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±1992)

Specimen size: 9 × 6.2 × 7.4 cm = 3.54” × 2.44” × 2.91”

Main crystal size: 2.2 × 1.8 cm = 0.87” × 0.71”

ND68AL3: Group of cubic crystals strongly beveled on the rhombododecahedron faces forming polycrystalline growths. The crystals are transparent violet-blue with geometric zoning of more intense tones in the center of the crystal.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 9.4 × 6.5 × 3.1 cm = 3.70” × 2.56” × 1.22”

Main crystal size: 5.6 × 4.6 cm = 2.20” × 1.81”

NPP68AQ1: Druse of very sharp Fluorite crystals with Quartz, transparents, extraordinarily lustrous and with a delicate sky-blue color.
Found in recent workings of the La Viesca Mine.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2022)

Specimen size: 9.5 × 7.4 × 4.6 cm = 3.74” × 2.91” × 1.81”

Main crystal size: 1.3 × 1.1 cm = 0.51” × 0.43”

NFB89AP3: Isolated Fluorite crystal formed by smooth cube and dodecahedron forms with fine polycrystalline growths, between transparent and translucent, lustrous and violet with bluish areas. Like the fluorites from Shangbao, but Spanish! 😉
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2008)

Specimen size: 9.6 × 6.4 × 3.9 cm = 3.78” × 2.52” × 1.54”

Main crystal size: 5.2 × 5 cm = 2.05” × 1.97”

MBR67AP7: Druse of Fluorite crystals with very marked polycrystalline growths, transparent, with very bright luster and an intense blue-violet color, bordered by small water-clear crystals of Quartz.
The specimen comes from the Miguel David Martínez collection (number 896), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2019)

Specimen size: 9.7 × 6.4 × 2.8 cm = 3.82” × 2.52” × 1.10”

Main crystal size: 1 × 1 cm = 0.39” × 0.39”

NZR50AN7: Group of cubic crystals with staggered bevels on the edges, lustrous, very transparent, with an intense purplish blue color and with very marked geometric color zoning.
This piece comes from the Miguel David Martínez collection (number 818), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2016)

Specimen size: 9.7 × 8.6 × 6.4 cm = 3.82” × 3.39” × 2.52”

Main crystal size: 8.4 × 4.9 cm = 3.31” × 1.93”

ELM94AP0: Cubic Fluorite crystals, one of them clearly dominant, beveled by the dodecahedron with polycrystalline growths. Transparent, with good luster and a blue color with areas of intense violet. On matrix, associated with Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2008)

Specimen size: 10 × 8.5 × 6.8 cm = 3.94” × 3.35” × 2.68”

Main crystal size: 3.6 × 3.3 cm = 1.42” × 1.30”

NBR29AP9: Druse of very sharp Fluorite crystals, extraordinarily transparent, with very good luster, and light blue color. On matrix, with white coatings of Quartz.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 10.2 × 8.3 × 5.7 cm = 4.02” × 3.27” × 2.24”

Main crystal size: 1 × 0.9 cm = 0.39” × 0.35”

NNB92AP1: Druse of Fluorite crystals, transparent, lustrous, blue with lilac tones and associated with small Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007-2008)

Specimen size: 10.4 × 9.1 × 4.8 cm = 4.09” × 3.58” × 1.89”

Main crystal size: 3.8 × 2.8 cm = 1.50” × 1.10”

NCT88AO5: Group of Fluorite crystals with fine polycrystalline growths on the edges, transparent, with good luster and a blue color with green tones, on a matrix of scoriaceous Quartz with small crystallized vugs. Unusual looking for the locality.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2010)

Specimen size: 11.3 × 9.4 × 5.1 cm = 4.45” × 3.70” × 2.01”

Main crystal size: 3.3 × 3.1 cm = 1.30” × 1.22”

MTB50AP7: Group of Fluorite crystals with smooth cube faces beveled by rhombododecahedron forms with fine polycrystalline growths. They are transparent, with good luster and an intense blue-violet color, with geometric zoning with the most intense color in the center of the crystals and lighter on the edges.
The specimen comes from the Miguel David Martínez collection (number 2400), whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2015)

Specimen size: 11.3 × 9.4 × 7.2 cm = 4.45” × 3.70” × 2.83”

Main crystal size: 4.7 × 4.7 cm = 1.85” × 1.85”

NJ89AL3: Group of cubic crystals finely beveled on the rhombododecahedron faces, forming stepped edges. The crystals are transparent and have a very deep bluish violet color.
The specimen comes from the Miguel David Martínez collection, whose label we will send to the buyer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2009)

Specimen size: 12 × 8 × 5.8 cm = 4.72” × 3.15” × 2.28”

Main crystal size: 6.3 × 4.9 cm = 2.48” × 1.93”

NM92AK0: Group of crystals with very marked polycrystalline growths and curious shaped dissolution cavities. Translucent and very bright with an intense blue color and partially coated by transparent Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 12.2 × 9.8 × 5.5 cm = 4.80” × 3.86” × 2.17”

Main crystal size: 7.8 × 7.8 cm = 3.07” × 3.07”

SM540NVG: Fluorite crystals of cubic habit beveled by dodecahedron faces, polycrystalline and stepped. The crystals, transparent and lustrous, have a fine geometric color zoning with dominant violet tones on the outside and an azure-blue nucleus.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 12.7 × 10.8 × 6.5 cm = 5.00” × 4.25” × 2.56”

Main crystal size: 8.7 × 4.7 cm = 3.43” × 1.85”

NA52AJ0: Druse, on matrix, of crystals with sharp cube shape, transparent, very bright, colorless and with phantom growths. The edges are outlined by fine alignments of small Pyrite crystals. The sample, found in recent workings at the La Viesca area, is very different from the usual at this big mine.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2015)

Specimen size: 12.8 × 9.9 × 7.8 cm = 5.04” × 3.90” × 3.07”

Main crystal size: 3.7 × 3.4 cm = 1.46” × 1.34”

XM22600NNP: Final climax! Group of Fluorite crystals of considerable size for the deposit, two of them clearly dominant, interpenetrating and in divergent growth, with an extremely fine bevel modified by the dodecahedron. Between transparent and translucent, with light blue tones and geometric color zoning.
It comes from the great La Viesca Mine in Asturias, which has brought so much joy to the world of mineral collecting, and it has an amazing color...
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2021)

Specimen size: 13.1 × 12.8 × 9.4 cm = 5.16” × 5.04” × 3.70”

Main crystal size: 6.1 × 5.4 cm = 2.40” × 2.13”

NB76AL0: Group of crystals of cubic habit beveled by the rhombododecahedron, translucent, very deep blue-violet, on matrix with small Quartz crystals. The specimen, which is a floater, comes from the Jaume Vilalta collection (No. 0916) whose label we will send to the buyer.
La Viesca Mine, La Negrina pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (03-04/2006)

Specimen size: 13.4 × 9.8 × 6.5 cm = 5.28” × 3.86” × 2.56”

Main crystal size: 4.3 × 4.1 cm = 1.69” × 1.61”

NXP16CD6: Very aerial floater Fluorite specimen made up of cubic crystals with well defined faces and edges and polycrystalline growths of a bluish color typical of La Viesca, forming staggered growths on which Quartz crystals have grown in a very aerial way, probably by epitaxial growth on an ancient Calcite crystal already completely dissolved when the Quartz was precipitated.
A very characteristic and notable example of what the La Viesca Mine, which closed in 2021, used to offer.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 13.8 × 9.9 × 7.4 cm = 5.43” × 3.90” × 2.91”

Main crystal size: 2.7 × 2.5 cm = 1.06” × 0.98”

NNR86AO5: Very aerial and aesthetic growth of Fluorite crystals beveled by dodecahedron faces, transparent, with good luster and a color between violet and blue, with geometric zoning of more intense tones. The specimen, with its numerous very transparent crystals, is a Spanish classic of excellent quality.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2010)

Specimen size: 14.7 × 14.5 × 8.4 cm = 5.79” × 5.71” × 3.31”

Main crystal size: 2.2 × 1.3 cm = 0.87” × 0.51”

NJ89AK0: Group of crystals with smooth cube faces and finely polycrystalline rhombic-dodecahedral forms. The crystals, translucent, lilac-bluish-greenish in color with the lilac tones much more intense in the areas of the phantom growths.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 14.8 × 9.7 × 6.4 cm = 5.83” × 3.82” × 2.52”

Main crystal size: 9.6 × 6.8 cm = 3.78” × 2.68”

NB97AL4: Group of sharp Fluorite crystals, transparent, bright, with an intense light blue color with violet tones and very marked geometric color zoning. On matrix, with small Quartz crystals.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2006)

Specimen size: 15.6 × 9.2 × 3.9 cm = 6.14” × 3.62” × 1.54”

Main crystal size: 2.2 × 1.6 cm = 0.87” × 0.63”

NPR89AO0: Fluorite crystals with a cubic shape finely beveled by dodecahedron faces, transparent, with good luster and a blue color with areas of very intense violet tones and partially coated by small Quartz crystals. The specimen is of great quality by its transparency and luster.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±2008)

Specimen size: 15.7 × 9.8 × 3.8 cm = 6.18” × 3.86” × 1.50”

Main crystal size: 1.5 × 1 cm = 0.59” × 0.39”

NL94AM1: Group of Fluorite crystals with a very sharp cubic habit, with polycrystalline growths on the crystal faces, on matrix. Transparent, very shiny, with uniform and vivid blue color.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 17.8 × 11.4 × 11.8 cm = 7.01” × 4.49” × 4.65”

Main crystal size: 2.4 × 2 cm = 0.94” × 0.79”

NQ86AJ5: Druse of cubic crystals with polycrystalline growths on the edges. They are translucent and bright and have a very intense violet color with geometric color zoning, darker on the edges. A Spanish classic of great quality, with a magic beauty when it is lighted from the back.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 17.8 × 12.4 × 5.8 cm = 7.01” × 4.88” × 2.28”

Main crystal size: 6.5 × 5.4 cm = 2.56” × 2.13”

TC2660NFW: Group of beveled Fluorite crystals, with stepped faces and polycrystalline growths, transparent, with good luster and a very deep and intense blue color with violet tones. With white Quartz coatings.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2007)

Specimen size: 18.5 × 14.8 × 4.9 cm = 7.28” × 5.83” × 1.93”

Main crystal size: 4.5 × 3.8 cm = 1.77” × 1.50”

NZ16AM5: Druse of cubic Fluorite crystals beveled by the faces of the dodecahedron, transparent, with good luster and an intense and deep violet color and a twinned Calcite crystal with two generations of growth, a first transparent and a second whitish.
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2009)

Specimen size: 22 × 15.5 × 3.5 cm = 8.66” × 6.10” × 1.38”

Main crystal size: 1.8 × 1.7 cm = 0.71” × 0.67”