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Mineral specimens search results for [ Pyrite ]Page bottom

Pyrite with Calcite.
NJ96AK4: Pyrite with Calcite
Groups of very sharp and bright octahedral crystals with vivid iridescence dominated by copper tones. On matrix, with small white lenticular crystals of Calcite.
Tomasa Mine, La Fortuna, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Region of Murcia (Murcia)  Spain
Specimen size: 9.6 × 7.6 × 5.1 cm = 3.78” × 2.99” × 2.01”

Price: [SOLD]
Pyrite with Calcite.
NC27AL9: Pyrite with Calcite
Polycrystalline aggregates of hexahedral Pyrite crystals, with good luster and curious color variations, ranging from greenish yellow to brassy. An unusually aesthetic specimen from a very recent find in Panasqueira.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (07-08/2020)
Specimen size: 9.6 × 6.4 × 3.5 cm = 3.78” × 2.52” × 1.38”

Main crystal size: 0.8 × 0.7 cm = 0.31” × 0.28”

Price: €190 / US$189 / ¥27080 / AUD$280
Pyrite with Calcite.
TE37AI9: Pyrite with Calcite
A floater group of pyritohedral crystals without minor forms, with very well-defined faces and edges, very bright and partially coated by growths of calcite microcrystals. The specimen is from a locality where good Pyrite specimens are not so common.
Concepción del Oro, Municipio Concepción del Oro, Zacatecas  Mexico
Specimen size: 7.5 × 6.2 × 3.7 cm = 2.95” × 2.44” × 1.46”

Price: [SOLD]
Pyrite with Calcite.
JFD33AN7: Pyrite with Calcite
A classic mine for Spanish mineralogy from which, however, very few specimens were saved, probably due to the method of exploitation, and perhaps because Pyrite and Galena are very abundant minerals in Spain and so that is why little attention was paid to specimens from this particular mine, although some specimens from this deposit are at least as good as those from other more famous Spanish localities. This piece came into my hands thanks to the kindness of Conchita Ferrando, widow of Jorge Darlington Rivera, a geologist at the mine who had the wisdom to make a small collection of the specimens he obtained while working there. Without him and Conchita, it is more than likely that references of the mining heritage of the Alcudia Valley would have been lost.
Diógenes Group of Mines, Quintos Lebrachos, Solana del Pino, Comarca Valle de Alcudia y Sierra Madrona, Ciudad Real, Castilla-La Mancha  Spain (1972-1975)
Specimen size: 8.4 × 4.8 × 4 cm = 3.31” × 1.89” × 1.57”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

Price: [SOLD]
Pyrite with Calcite.
MQ88AG4: Pyrite with Calcite
Druse of complex Pyrite crystals very rich in faces, very bright and partially coated by white Calcite crystals. The sample is from recent finds.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2016)
Specimen size: 13.8 × 8.2 × 7.2 cm = 5.43” × 3.23” × 2.83”

Price: €340 / US$338 / ¥48460 / AUD$500
Pyrite with Calcite.
EY98AE5: Pyrite with Calcite
Aggregate of cubic Pyrite crystals with echeloned growths and polycrystalline formations on the cube faces. They are very well defined, bright and on a Dolomite matrix and with lenticular Calcite crystals. While well known and relatively common at Trepča, Pyrite is not easily found there as significant collectible samples and less so with such quality as this.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (1994-2002)
Specimen size: 7.4 × 6.7 × 5.9 cm = 2.91” × 2.64” × 2.32”

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

Price: €340 / US$338 / ¥48460 / AUD$500
Pyrite with Calcite.
NB96AB5: Pyrite with Calcite
Aggregates of Pyrite crystals mainly consisting of the cube and the pyritohedron, with strongly iridescent surfaces, small Calcite crystals and leafy Muscovite aggregates. The upper levels of Panasqueira are currently offering surprising and pleasant novelties, with samples that are very different from what has been known from this mine.
Minas da Panasqueira, level 0, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (11/2014)
Specimen size: 12 × 8.9 × 5 cm = 4.72” × 3.50” × 1.97”

Price: [SOLD]
Pyrite with Calcite.
E9GK0: Pyrite with Calcite
Group of complex crystals with a notable domination of the pentadodecahedron (pyritohedron) forms and with small but very evident faces of the octahedron. At the base there is a small group of white crystals of Calcite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1997)
Specimen size: 7.2 × 4.8 × 2.3 cm = 2.83” × 1.89” × 0.91”

Main crystal size: 1.8 × 1.6 cm = 0.71” × 0.63”

Price: [SOLD]
Pyrite with Calcite.
NA58G8: Pyrite with Calcite
Splendid miniature, very esthetical. Pyrite growth as an elegant aggregate of cubic crystals lightly curved associated with globular formations of lenticular crystals of white Calcite. The piece represents a good reference of the species from Panasqueira.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2004)
Specimen size: 4.5 × 3.5 × 1.5 cm = 1.77” × 1.38” × 0.59”

Price: [SOLD]
Pyrite with Calcite .
SM340NV: Pyrite with Calcite
Flat floater plate of Pyrite crystals very rich in faces, extraordinarily bright and on matrix, with small Calcite crystals. Very perfect, which is difficult in such a large piece from this mine.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±2004)
Specimen size: 23.7 × 12.8 × 2.7 cm cm = 9.33” × 5.04” × 1.06”

Main crystal size: 1.5 × 1.2 cm cm = 0.59” × 0.47”

Price: €340 / US$338 / ¥48460 / AUD$500
Pyrite with Calcite.
MD13X3: Pyrite with Calcite
Coatings of small octahedral Pyrite crystals, very well defined and bright, on an aggregate of lenticular Calcite crystals.
Salsigne Mine, Salsigne, Mas-Cabardès, Carcassonne, Aude, Occitanie  France
Specimen size: 9.8 × 8.3 × 3 cm = 3.86” × 3.27” × 1.18”

Price: [SOLD]
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”

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

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”

Price: €150 / US$149 / ¥21370 / AUD$220
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]

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