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MRA98CD4: Quartz with Chlorite inclusions and Albite
Plate formed by Quartz crystals arranged in a very aerial manner with clear development of the prism and the perfectly sharp terminations, translucent and with abundant inclusions of dark green Chlorite concentrated in the centers of the Quartz prisms, and which in turn are partially covered by very clear, practically transparent Albite crystals. An alpine classic from a well-known mineralogical area of Switzerland.
Grischun (Grisons; Graubünden)  Switzerland
Specimen size: 8.1 × 7.3 × 4.4 cm = 3.19” × 2.87” × 1.73”
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RG46X8: Quartz with Chlorite, adularia and Muscovite
Floater and partially doubly terminated crystal. It is transparent, with inclusions and with both terminations are coated by Chlorite.
Sedrun, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden)  Switzerland (±1980)
Specimen size: 11.3 × 4.4 × 3 cm = 4.45” × 1.73” × 1.18”
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TXE27AP9: Quartz with Chlorite, Anatase and Rutile
Group of Quartz crystals partially coated by Chlorite, elongated crystals of very lustrous Anatase, and aggregates of lustrous red acicular Rutile crystals. A curious alpine combo.
Entre-deux-Roches, La Lauzière Massif, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes  France
Specimen size: 8.7 × 7.4 × 4 cm = 3.43” × 2.91” × 1.57”
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CC12AJ7: Quartz with Cinnabar
Clear Quartz crystals with very well defined faces and edges. One of them is clearly dominant with an an evident Cinnabar inclusion. They are on matrix, with crystals and foliation surfaces of Cinnabar.
Distrito Minero de Almadén, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain
Specimen size: 2.6 × 2 × 1.2 cm = 1.02” × 0.79” × 0.47”

Main crystal size: 1 × 0.3 cm = 0.39” × 0.12”
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DM13AH5: Quartz with Clinochlore
Very aerial group of Quartz crystals, one of them clearly dominant, extraordinarily transparent and bright and with small globular Clinochlore aggregates.
The Daunis collection was, in the 70’s and the 80’s, a reference for the local prospectors of the Barcelona area.
Llavorsí, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain
Specimen size: 5.3 × 2.9 × 2.7 cm = 2.09” × 1.14” × 1.06”
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GR51Q0: Quartz with Clinochlore
Group of crystals, a lot of them doubly terminated, with Clinochlore phantoms and inclusions of the same mineral. We specially note the perfection of the piece and the locality which is not so well known as other alpine localities.
Maurienne Valley, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes  France (1993)
Specimen size: 16 × 10.7 × 6.2 cm = 6.30” × 4.21” × 2.44”

Main crystal size: 8.2 × 1.7 cm = 3.23” × 0.67”
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JFD177AP1: Quartz with Clinozoisite-Epidote (Series)
Many years ago, when specimens from the quarries of the Sierra Norte de Madrid began to be seen (almost always referred to under the generic name of 'Los Gallegos') this quality of specimen still attracted attention. Later, those quarries experienced a splendor that we could hardly imagine, and so this piece now remains as a historical relic of the early days. Miraculously, I was able to find out that it came specifically from the Navazales II Quarry, rather than having only the generic area name of 'Los Gallegos'
Navazales II Quarries, La Cabrera pluton, Valdemanco - Bustarviejo - Cabanillas de la Sierra - Navalafuente, Comarca Sierra Norte, Community of Madrid  Spain (1998)
Specimen size: 7.4 × 4.2 × 3 cm = 2.91” × 1.65” × 1.18”
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NRT63AN9: Quartz with Clinozoisite-Epidote (Series)
Quartz crystals with a very short prism, transparent and lustrous, on a matrix covered by Clinozoisite-Epidote (Series) crystals. The specimen comes from the Miguel David Martínez collection (number 864) whose label we will send to the buyer.
Sierra y Lomas Quarry (Los Serranos Quarry), Cabezo Negro, Albatera, Comarca Vega Baja del Segura, Alicante / Alacant, Valencian Community / Comunitat Valenciana  Spain (2008)
Specimen size: 4.7 × 3.6 × 2.9 cm = 1.85” × 1.42” × 1.14”

Main crystal size: 1.8 × 1.4 cm = 0.71” × 0.55”
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TF1Q7: Quartz with Dolomite
Complex clusters of “artichoke” Quartz with clearly curved faces and edges, of greenish blue color and on a matrix of white rhombohedral crystals of Dolomite with mosaical growths on their faces. A very esthetic piece.
Shangbao Mine, Leiyang, Hengyang Prefecture, Hunan Province  China (12/2007)
Specimen size: 22 × 12.5 × 10.8 cm = 8.66” × 4.92” × 4.25”
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JFD237AQ1: Quartz with Dolomite (variety Fe-bearing dolomite) and Chlorite
A curiosity: A well crystallized Quartz from the Aragonese Pyrenees and from the little known locality of Valsaroleta, with Chlorite and ferriferous Dolomite, which at the time were described as Pyrophyllite and Ankerite on the Folch label, the “Pyrophyllite” having been opportunely modified by Mr. Folch himself and with the “Ankerite” later re-described as ferriferous Dolomite. Nowadays we have much more information than was available 76 years ago when this elegant piece was found.
Balsaroleta, Sallent de Gállego, Tena Valley, Comarca Alto Gállego, Huesca, Aragon  Spain (1947)
Specimen size: 9.2 × 8.2 × 3.1 cm = 3.62” × 3.23” × 1.22”

Main crystal size: 3.1 × 1 cm = 1.22” × 0.39”
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MF14V4: Quartz with Dolomite and Scheelite
Group of Quartz crystals, one of them clearly dominant. It is very transparent and bright, with rhombohedral crystals of Dolomite and small dipyramidal crystals, slightly gray, of Scheelite.
Pingwu Mine, Huya township, Mount Xuebaoding, Pingwu, Mianyang Prefecture, Sichuan Province  China (2011)
Specimen size: 7.7 × 3.8 × 6.2 cm = 3.03” × 1.50” × 2.44”
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SM190NRJ: Quartz with Dolomite, Fluorapatite and Pyrite
Doubly terminated quartz crystal with a very unusual morphology, very flattened, with two very different terminations, the upper one normal and the lower polycrystalline. Transparent, lustrous, almost completely covered on the back by small white rhombohedral Dolomite crystals and with Fluorapatite crystals and Pyrite microcrystals.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±2000)
Specimen size: 16.2 × 6 × 2 cm = 6.38” × 2.36” × 0.79”
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EF6T4: Quartz with Dolomite, Talc and Allanite-(Ce)
Well developed crystal of Quartz with a very visible inclusion that shows a feather shape, very probably Allanite-(Ce). Is on matrix, with Dolomite and small laminar crystals of Talc.
Trimouns Mine, Luzenac, Haute-Ariège, Foix, Ariège Department, Occitanie  France (02/2011)
Specimen size: 9.2 × 5.9 × 4.3 cm = 3.62” × 2.32” × 1.69”
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NJ27AI3: Quartz with Epidote
Pair of two Quartz crystals, one of them complete and doubly terminated. Both Quartz crystals are very rich in Chlorite inclusions with an intense green color and they are very bright. There are some “bundle-like” Epidote aggregates, very bright and with a deep green color, attached to them .
The sample is from the Ignacio Hernández collection (num. 87) whose original label we’ll send to the buyer.
Paracas Quarry, Huaytará, Huaytará Province, Huancavelica Department  Peru
Specimen size: 8 × 5 × 3.1 cm = 3.15” × 1.97” × 1.22”

Main crystal size: 8 × 1.4 cm = 3.15” × 0.55”
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RM12T5: Quartz with Epidote inclusions
Group of sharp, clear and colorless crystals that are very bright and have acicular inclusions of green Epidote at their base.
Göscheneralp, Göschenen Valley, Göschenen, Reuss Valley, Uri  Switzerland
Specimen size: 8 × 4.7 × 3.3 cm = 3.15” × 1.85” × 1.30”
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EQ14R9: Quartz with Fe-Mn oxides
Growths of Quartz crystals forming irregular bundles. The crystals are completely coated by intensely bright and iridescent oxides of iron and manganese. On a matrix of Quartz and Limonite.
Banská Štiavnica (Schemnitz), Banská Štiavnica District, Banská Bystrica Region  Slovak Republic (2009)
Specimen size: 8.3 × 6.4 × 3.5 cm = 3.27” × 2.52” × 1.38”

Main crystal size: 0.5 × 0.2 cm = 0.20” × 0.08”
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EG66R9: Quartz with Fe-Mn oxides
Growths of Quartz crystals forming irregular bundles. The crystals are completely coated by intensely bright and iridescent oxides of iron and manganese. On a matrix of Limonite.
This specimen was published on the Mineralogical Record´s web page, in the ‘What’s New in the Mineral World?’ section of the March 10, 2011 edition.
Banská Štiavnica (Schemnitz), Banská Štiavnica District, Banská Bystrica Region  Slovak Republic (2009)
Specimen size: 11.5 × 6 × 4 cm = 4.53” × 2.36” × 1.57”
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EH66R9: Quartz with Fe-Mn oxides
Growths of Quartz crystals forming irregular bundles. The crystals are completely coated by intensely bright and iridescent oxides of iron and manganese. On a matrix of Quartz and Limonite.
Banská Štiavnica (Schemnitz), Banská Štiavnica District, Banská Bystrica Region  Slovak Republic (2009)
Specimen size: 11 × 6.7 × 5.8 cm = 4.33” × 2.64” × 2.28”

Main crystal size: 1 × 0.3 cm = 0.39” × 0.12”
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GF64Q5: Quartz with Fluor-uvite and Magnesite
Lenticular crystals of Fluor-uvite formed by a very flattened rhombohedron and a very short prism. They have intense green color and are very transparent, with small rhombohedra of Magnesite and on a very transparent crystal of Quartz. The association of Fluor-uvite and Quartz is infrequent at this locality and even more with crystals of the quality and the size of this one.
Pomba Pit, Serra das Éguas, Brumado, Bahia, Northeast Region  Brazil (±1994)
Specimen size: 17.4 × 4.6 × 3.9 cm = 6.85” × 1.81” × 1.54”
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AB91Y8: Quartz with Fluorapatite and Chlorite
Group of bright and extraordinarily transparent Quartz crystals with Fluorapatite crystals showing a curious double growth, with smooth surfaces on the terminal pinacoid and with fibrous parallel aggregates on the prismatic faces.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1987-2013)
Specimen size: 9.2 × 6.2 × 4.6 cm = 3.62” × 2.44” × 1.81”

Main crystal size: 2.2 × 1.3 cm = 0.87” × 0.51”
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N14CKF4: Quartz with Fluorapatite and Siderite
A neat group of brilliant, sharp Quartz crystals, some of which are doubly terminated, accompanied by tabular green Fluorapatite and small lenticular crystals of Siderite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1994)
Specimen size: 7 × 5.5 × 5.5 cm = 2.76” × 2.17” × 2.17”
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TA46H4: Quartz with Fluorapatite and Siderite
Typical crystal from Panasqueira. On the termination on a bed of Siderite crystals there is a group of green, very bright and short prismatic crystals of Fluorapatite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 8.5 × 4.8 × 3.3 cm = 3.35” × 1.89” × 1.30”
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EF92AA2: Quartz with Fluorapatite inclusions and with Muscovite, Siderite and Calcite
Thin laminar Fluorapatite crystal included in a Quartz crystal partially coated by Siderite and Muscovite. Visible crystalline inclusions of Fluorapatite are very rare. In this the sample, approximately half of a crystal can be seen and it has concentric geometrical color zones with a dominant yellowish-green color.
Minas da Panasqueira, level 1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (05/2014)
Specimen size: 9.5 × 5.1 × 3.8 cm = 3.74” × 2.01” × 1.50”
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JFD38AN7: Quartz with Fluorapatite inclusions, Cassiterite and Siderite
Quartz is ubiquitous in Panasqueira and appears there in a great diversity of habits. In this floater, recrystallized at its base, what is attractive, in addition to its transparency and perfection, is the presence of a Cassiterite crystal in the center of the piece and the numerous inclusions of Fluorapatite crystals, a very rare inclusion due to the very different formation temperatures of Quartz and Fluorapatite. Completing this combo piece is the presence of Siderite on the back. I bought it from Alberto Ledo in 2014. Alberto is part of the new generation of Portuguese dealers who go often to the mine and sometimes get great specimens from there.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (10/2014)
Specimen size: 11.6 × 4.5 × 2.8 cm = 4.57” × 1.77” × 1.10”

Main crystal size: 9.1 × 2.9 cm = 3.58” × 1.14”
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AB50Y8: Quartz with Fluorapatite, Muscovite and Ferberite
Doubly terminated short prismatic Fluorapatite crystals implanted on a transparent and bright Quartz crystal with small leafy Muscovite aggregates and a Ferberite crystal at the base.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1987-2013)
Specimen size: 13 × 4.3 × 3.4 cm = 5.12” × 1.69” × 1.34”

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Collections
The James Catmur Collection
The James Catmur
Collections
The Silvane Collection
The Silvane
Collection
The Pedro Goy Collection
The Pedro Goy
Collection
The Desmond Sacco Collection
The Desmond Sacco
Collection
Best Specimens
Best Specimens
The Folch Collection
The Folch
Collection
Home Page Minerals
Home Page
Minerals