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Mineral specimens search results for [ Pyrite ]Page bottom

Pyrite with Calcite and Muscovite.
EN86AM1: Pyrite with Calcite and Muscovite
Spheroidal polycrystalline growths of Pyrite with cubic crystal habit, very lustrous and with brass-colored reflections. On matrix, with white lenticular Calcite crystal coatings and leafy Muscovite aggregates.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 6 × 5.4 × 3.2 cm = 2.36” × 2.13” × 1.26”

Price: [SOLD]
Pyrite with Calcite-Dolomite.
JFD161AO8: Pyrite with Calcite-Dolomite
Unusual. Extra-flat Pyrite crystals growing in what appears to have been a coating of carbonates on the face of a Quartz crystal that at some point had detached, with the crystallization of the carbonates finishing far from where they started forming. As said, unusual.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1990)
Specimen size: 4.7 × 3.3 × 0.6 cm = 1.85” × 1.30” × 0.24”

Price: [SOLD]
Pyrite with Calcite-Dolomite.
NA14AH4: Pyrite with Calcite-Dolomite
Clusters of small Pyrite crystals with complex crystalline forms, with dominant cube faces. They have grown on a botryoidal growth of linear Dolomite crystals that, on the back, have geometric hollows left by an unknown disappeared mineral that had trigonal geometry. Extraordinarily unusual for the locality, currently extinct.
Almaden Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain (±1980)
Specimen size: 13.2 × 9 × 2.9 cm = 5.20” × 3.54” × 1.14”

Price: [SOLD]
Pyrite with Calcite-Dolomite.
JFD153AO7: Pyrite with Calcite-Dolomite
Panasqueira pyrites are unmistakable. It is curious that such a common mineral can be assigned to one locality in such a recognizable way. Flattened cubes, rich in faces, with Calcite-Dolomite in many cases and that brass-like color, from ancient ore. It is nice what they call the pyrites in Panasqueira when they have this type of tones or they are oxidized: 'ferruginadas'
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1989)
Specimen size: 9.2 × 8.3 × 3.1 cm = 3.62” × 3.27” × 1.22”

Main crystal size: 0.6 × 0.4 cm = 0.24” × 0.16”

Price: €150 / US$162 / ¥20850 / AUD$230
Pyrite with Calcite-Dolomite and Quartz.
JFD200AP4: Pyrite with Calcite-Dolomite and Quartz
As those familiar with the deposit know, Panasqueira pyrites can be very good. This piece is a good example of this, with the crystal aggregate forming a very aerial pineapple on a Quartz matrix completely covered by small Calcite-Dolomite crystals and with the mold of another Quartz crystal on the back. Everything is quite perfect, without any dings, which is not very common in Panasqueira where, due to the operating conditions, it is very difficult to prevent pieces from being damaged. Luminous and showy, a very good Pyrite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1992)
Specimen size: 9.8 × 6.8 × 6.3 cm = 3.86” × 2.68” × 2.48”

Price: €640 / US$692 / ¥88970 / AUD$990
Pyrite with Calcite-Dolomite and Quartz.
AF96Y8: Pyrite with Calcite-Dolomite and Quartz
Isolated very bright cubic Pyrite crystals slightly modified by the pyritohedron. They are on a growth of white Calcite-Dolomite crystals partially coating a clear Quartz crystal. The sample has been photographed for a long article in Mineral Up magazine devoted to the mineralogy of Portugal, although we cannot assure that the image will be definitely published.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1987-2013)
Specimen size: 8.8 × 3 × 2.8 cm = 3.46” × 1.18” × 1.10”

Main crystal size: 1.7 × 1.6 cm = 0.67” × 0.63”

Price: [SOLD]
Pyrite with Calcite-Dolomite and Siderite.
MB16AA7: Pyrite with Calcite-Dolomite and Siderite
Aggregate of cubic Pyrite crystals modified by the pyritohedron that produces a slight curvature on the edges. The Pyrite crystals, very bright, are on a matrix with small white Calcite-Dolomite crystals coating a lenticular Siderite crystal.
Minas da Panasqueira, level 0, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (10/2014)
Specimen size: 5.7 × 3 × 2.1 cm = 2.24” × 1.18” × 0.83”

Price: [SOLD]
Pyrite with Dolomite and Sphalerite.
TA47AD5: Pyrite with Dolomite and Sphalerite
A novelty at Tucson 2016. Aggregate of Pyrite crystals showing the cube and the pyritohedron, and partially coated by small Sphalerite crystals and slightly pink rhombohedral Calcite crystals. The sample is from a not yet widely divulged Peruvian mine.
Atalaya Mine, Huallanca District, Bolognesi Province, Ancash Department  Peru (11/2015)
Specimen size: 11.5 × 8 × 5.8 cm = 4.53” × 3.15” × 2.28”

Main crystal size: 5 × 4.7 cm = 1.97” × 1.85”

Price: [SOLD]
Pyrite with Fluorite.
EG67AM5: Pyrite with Fluorite
Pyrite crystals with cubic habit and polycrystalline surfaces covering a druse of transparent, shiny Fluorite crystals with an intense yellow color. This old specimen comes from Minas de Villabona, a locality much less prolific than the nearby Moscona Mine.
Villabona Mines, Barrio de la Estación, Villabona, Llanera, Comarca del Nora, Principality of Asturias (Asturias)  Spain
Specimen size: 13.1 × 6.4 × 5.3 cm = 5.16” × 2.52” × 2.09”

Price: [SOLD]
Pyrite with Fluorite.
JFD139AO6: Pyrite with Fluorite
Fluorite with two large groups of Pyrite crystals (similar to those of Minas de Villabona) on one side and very bright Pyrite coating the back. The Fluorite is 'Moscona type' and the Pyrite is 'Minas de Villabona type', a curious combination. I bought it from Ramón ‘Chispa’, who was an “institution” from whom one could get good specimens back in the 1990s.
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias)  Spain (1992)
Specimen size: 9.8 × 8.6 × 7 cm = 3.86” × 3.39” × 2.76”

Main crystal size: 2.7 × 2.3 cm = 1.06” × 0.91”

Price: [SOLD]
Pyrite with Fluorite and Calcite.
TQ76AE2: Pyrite with Fluorite and Calcite
Yellow cubic Fluorite crystals coated by iridescent Pyrite, extraordinarily bright and with white Calcite scalenohedra in parallel growths and small Pyrite crystals. The sample is very similar to the old pieces but it is from recent finds on Minas de Villabona, recently re-opened.
Villabona Mines, Barrio de la Estación, Villabona, Llanera, Comarca del Nora, Principality of Asturias (Asturias)  Spain (2014)
Specimen size: 8 × 4.6 × 5.1 cm = 3.15” × 1.81” × 2.01”

Price: [SOLD]
Pyrite with Fluorite and Calcite .
SM80ND: Pyrite with Fluorite and Calcite
Pyrite crystal coatings, on matrix, with transparent yellow Fluorite crystals and white Calcite crystals.
Former collection of Miguel David Martínez. Number 467
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias)  Spain
Specimen size: 4.1 × 3.1 × 1.5 cm cm = 1.61” × 1.22” × 0.59”

Main crystal size: 0.7 × 0.5 cm cm = 0.28” × 0.20”

Price: [SOLD]
Pyrite with Galena, Calcite and Quartz.
NV13AI8: Pyrite with Galena, Calcite and Quartz
Group of Pyrite crystals that are very rich in crystal forms, very bright, with unusual rounded and almost spherical Galena crystals and partially coated by spheroidal white Calcite growths and small Quartz crystals.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2010)
Specimen size: 5.7 × 4.9 × 3.4 cm = 2.24” × 1.93” × 1.34”

Price: [SOLD]
Pyrite with Hematite.
CF14AH4: Pyrite with Hematite
Sharp pyritohedral Pyrite crystal with residual Hematite crystals and very deep fissures molded by now disappeared laminar Hematite crystals. We’ll send to the buyer the original label and also a copy of the computer card with the full text in the collection catalog.
Terranera Mine, Porto Azzurro, Elba Island, Livorno Province, Tuscany  Italy
Specimen size: 5.3 × 5 × 4.4 cm = 2.09” × 1.97” × 1.73”

Price: [SOLD]
Pyrite with Hematite.
TFF49AN4: Pyrite with Hematite
Very sharp Pyrite crystal with the dominant crystal forms of the pyritohedron, very lustrous, on a matrix of specular Hematite. This crystal has the crystallographic peculiarity of being a negative pyritohedron, a very rare form that is defined by the direction of the fine striations on the faces, perpendicular to those of the much more common positive pyritohedron.
Rio Mine (Rio Marina Mine), Valle Giove stope, Rio Marina, Elba Island, Livorno Province, Tuscany  Italy
Specimen size: 5.3 × 4.7 × 4.6 cm = 2.09” × 1.85” × 1.81”

Price: [SOLD]
Pyrite with Hematite.
XM180JM: Pyrite with Hematite
Pyritohedral crystals of Pyrite, one of them very aerial and clearly dominant, with deep indentations that correspond to lamellar crystals of disappeared Hematite, some of which is still present in the specimen as remnants. An Italian classic.
Rio Marina, Elba Island, Livorno Province, Tuscany  Italy
Specimen size: 10.2 × 5.6 × 6.9 cm = 4.02” × 2.20” × 2.72”

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

Price: €180 / US$194 / ¥25020 / AUD$280
Pyrite with Hematite.
VM13AA7: Pyrite with Hematite
Very sharp pyritohedral crystal with very well defined faces and edges, very bright and on a matrix of micaceous Hematite. The crystal has a crystallographic particularity: it is a negative pyritohedron, a very rare form on Pyrite, defined by the orientation of its fine striations on the faces perpendicular to those on the very much more common positive pyritohedron.
Elba Island, Livorno Province, Tuscany  Italy
Specimen size: 2.4 × 1.7 × 1.8 cm = 0.94” × 0.67” × 0.71”

Price: [SOLD]
Pyrite with Hematite.
MJ86D5: Pyrite with Hematite
The perfection of the form, and so well placed on its minor Hematite pedestal... Just one minor ding on one of the bottom corners, but basically we can describe it as perfect on all its sides. Extremely eudral oldie!
Rio Marina, Elba Island, Livorno Province, Tuscany  Italy
Specimen size: 3.5 × 3 × 3.4 cm = 1.38” × 1.18” × 1.34”

Price: [SOLD]
Pyrite with Hematite.
ET72P4: Pyrite with Hematite
Polycrystalline growth of pentadodecahedral (pyritohedral) crystals of very well defined faces and edges on leafy Hematite and in rocky matrix. A classic of quality from the end of the sixties and beginnings of seventies.
Rio Marina, Elba Island, Livorno Province, Tuscany  Italy (±1960)
Specimen size: 7.5 × 7.3 × 6.4 cm = 2.95” × 2.87” × 2.52”

Price: [SOLD]
Pyrite with Magnetite.
CD6AJ7: Pyrite with Magnetite
Very sharp octahedral Pyrite crystals that are neatly isolated, one of them clearly dominant, and are on matrix with black dodecahedral Magnetite crystals. A classic of Italian mineralogy.
Brosso Mine, Cálea, Léssolo, Canavese District, Metropolitan City of Turin Province, Piedmont (Piemonte)  Italy
Specimen size: 5.7 × 4.2 × 2.5 cm = 2.24” × 1.65” × 0.98”

Main crystal size: 1.7 × 1.6 cm = 0.67” × 0.63”

Price: [SOLD]
Pyrite with Marcasite and Quartz.
N91HB4: Pyrite with Marcasite and Quartz
Nice isn't it? Just sulphides on Quartz but the esthetics are superb!
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 8.6 × 6 × 3.5 cm = 3.39” × 2.36” × 1.38”

Price: [SOLD]
Pyrite with Marcasite, Calcite and Muscovite.
HM190NV: Pyrite with Marcasite, Calcite and Muscovite
Druse of cubic Pyrite crystals with polycrystalline growths, partially covered by white lenticular Calcite crystals with concentric zoning, on matrix, with dentate aggregates of “cockscomb” Marcasite, and leafy aggregates of Muscovite.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±2005)
Specimen size: 7.9 × 7.5 × 4 cm = 3.11” × 2.95” × 1.57”

Price: €190 / US$205 / ¥26410 / AUD$290
Pyrite with Quartz.
MLH13AN8: Pyrite with Quartz
Polycrystalline growth of Pyrite crystals with cubic habit, very lustrous and with partial coatings of small white Quartz crystals.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (07/2020)
Specimen size: 3.1 × 2.8 × 2.1 cm = 1.22” × 1.10” × 0.83”

Price: €80 / US$86 / ¥11120 / AUD$120
Pyrite with Quartz.
TGG46AO5: Pyrite with Quartz
Group of very sharp Pyrite crystals, shiny and with a very uniform iridescence of bronze tones, lustrous, on matrix, associated with Quartz crystals and small lenticular rhombohedral Calcite crystals.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2000-2021)
Specimen size: 10.7 × 6 × 3.5 cm = 4.21” × 2.36” × 1.38”

Main crystal size: 1.1 × 0.7 cm = 0.43” × 0.28”

Price: €130 / US$140 / ¥18070 / AUD$200
Pyrite with Quartz.
TEA36AO4: Pyrite with Quartz
Group of very sharp and extraordinarily brilliant Pyrite crystals, with groups of water-clear Quartz crystals and small Galena crystals.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2000-2021)
Specimen size: 6.3 × 3.9 × 3.2 cm = 2.48” × 1.54” × 1.26”

Price: [SOLD]

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