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NFX90AN9: Pyrite after Pyrrhotite with Galena, Calcite, Quartz and Dolomite

Large pseudomorphs with a hexagonal outline of Pyrite after Pyrrhotite crystals, with coatings of complex white Calcite crystals, cubo-octahedral Galena crystals and small Quartz and Dolomite crystals. An old piece, since the mine is not currently producing this type of specimen with large Galena crystals.
Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo
Specimen size: 16 × 12.5 × 10.5 cm = 6.30” × 4.92” × 4.13”
Price: €480 / US$513 / ¥68140 / AUD$770

EA51AK6: Pyrite after Pyrrhotite with Sphalerite

Group of Pyrite crystals with deformed cubic habit, brilliant, pseudomorphing clearly hexagonal Pyrrhotite crystals and partially covered by twinned Sphalerite crystals.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2018)
Specimen size: 17.4 × 11.2 × 7.5 cm = 6.85” × 4.41” × 2.95”
Price: €580 / US$620 / ¥82330 / AUD$930

18EB74: Pyrite after Pyrrhotite, Sphalerite

Group of divergent crystals with the hexagonal outline of Pyrrhotite, totally pseudomorphed by Pyrite, with a second generation of smaller brighter crystals, and a multitude of scattered small cream-colored crystals of Dolomite. A cascade of very sharp Sphalerite crystals (marmatite variety), with very well defined spinel-law twin planes, intense black and very lustrous, completes the piece, along with small traces of Pyrite with a markedly golden color. The old Herja mine, where this piece comes from, processed metals such as antimony, lead, silver and zinc.
Herja Mine, Chiuzbaia, Baia Sprie, Maramures Romania (1964)
Specimen size: 7.5 × 4.7 × 4.0 cm = 2.95” × 1.85” × 1.57”
Price: €95 / US$101 / ¥13480 / AUD$150

TLR47AO4: Pyrite and Sphalerite with Calcite

Nest of Pyrite crystals with the dominant forms of the pentadodecahedron, very shiny, with twinned Sphalerite crystals and bordered by white translucent lenticular Calcite crystals.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2000-2021)
Specimen size: 8.2 × 7.8 × 4.3 cm = 3.23” × 3.07” × 1.69”

Main crystal size: 2.6 × 1.6 cm = 1.02” × 0.63”
Price: €220 / US$235 / ¥31230 / AUD$350

16MJM11: Pyrite perimorphic of Baryte

A novelty from Morocco, from a discovery in the summer of 2020. White tabular crystals of Baryte partially covered by a perimorphic growth of a mosaic of very lustrous small cubic and octahedral Pyrite crystals. The Bou Nahas Mine, a polymetallic hydrothermal deposit, continues to provide pleasant mineral surprises.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (07/2020)
Specimen size: 4.6 × 3.0 × 1.6 cm = 1.81” × 1.18” × 0.63”
Price: €65 / US$69 / ¥9220 / AUD$100

MMA11AN8: Pyrite perimorphic of Baryte

A novelty from Morocco, from a discovery in the summer of 2020. White tabular crystals of Baryte partially covered by a perimorphic growth of a mosaic of small, very bright, cubic and octahedral Pyrite crystals.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (07/2020)
Specimen size: 4.5 × 3.4 × 2.5 cm = 1.77” × 1.34” × 0.98”
Price: €80 / US$85 / ¥11350 / AUD$120

MLM28AN8: Pyrite perimorphic of Baryte

A novelty from Morocco, from a discovery in the summer of 2020. White parallel and tabular Baryte crystals covered by a perimorphic growth of a mosaic of small, very bright, cubic and octahedral Pyrite crystals. On the back of the piece (see video) the almost total dissolution of the original Baryte crystals can be seen.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (07/2020)
Specimen size: 9.1 × 6 × 6.3 cm = 3.58” × 2.36” × 2.48”
Price: €320 / US$342 / ¥45420 / AUD$510

MJK68AN8: Pyrite perimorphic of Baryte

A novelty from Morocco, from a discovery in the summer of 2020. White parallel and tabular Baryte crystals covered by a perimorphic growth of a mosaic of small, very bright, cubic and octahedral Pyrite crystals. On the back of the piece (see video) the almost total dissolution of the original Baryte crystals can be seen.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (07/2020)
Specimen size: 12.2 × 7.5 × 4.5 cm = 4.80” × 2.95” × 1.77”

Main crystal size: 4 × 3.5 cm = 1.57” × 1.38”
Price: €380 / US$406 / ¥53940 / AUD$610

MCX96AN8: Pyrite perimorphic of Baryte with Quartz

A novelty from Morocco, from a discovery in the summer of 2020. Polycrystalline growth of a mosaic of perimorphic Pyrite crystals with bright luster, on a tabular Baryte crystal, on a matrix of white Quartz crystals partially covered by Pyrite.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (07/2020)
Specimen size: 7.6 × 6.4 × 4.3 cm = 2.99” × 2.52” × 1.69”
Price: €220 / US$235 / ¥31230 / AUD$350

TPB56AO4: Pyrite with Arsenopyrite, Boulangerite inclusions and Quartz

Nest of very shiny Pyrite crystals, outlined by globular Calcite growths with Boulangerite inclusions, on matrix. With Quartz, and very sharp crystals of Arsenopyrite.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2000-2021)
Specimen size: 6.8 × 5.9 × 3.2 cm = 2.68” × 2.32” × 1.26”
Price: €150 / US$160 / ¥21290 / AUD$240

EFT60AO9: Pyrite with Baryte

Obtained at Ste. Marie 2022 Polycrystalline botryoidal coatings of very sharp cubic crystals of lustrous Pyrite on a white Baryte matrix. Different from what has been known so far from this mine.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (2021)
Specimen size: 6.2 × 2.6 × 3.4 cm = 2.44” × 1.02” × 1.34”
Price: €75 / US$80 / ¥10640 / AUD$120

EXP16AO9: Pyrite with Baryte

Obtained at Ste. Marie 2022 Polycrystalline botryoidal coatings of very sharp cubic crystals of lustrous Pyrite on a white Baryte matrix. Different from what has been known so far from this mine.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (2021)
Specimen size: 6.7 × 6.4 × 4.1 cm = 2.64” × 2.52” × 1.61”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”
Price: €110 / US$117 / ¥15610 / AUD$170

TB66AG3: Pyrite with Calcite

Groups of octahedral Pyrite crystals with minor cube faces. They are very well defined and bright and are on a rocky matrix coated by small, very acute, scalenohedral Calcite crystals, transparent and bright. The sample is from a not well known Iowa mine.
Pint's Quarry, Raymond, Black Hawk County, Iowa USA
Specimen size: 7.5 × 6.5 × 4.3 cm = 2.95” × 2.56” × 1.69”
Price: €160 / US$171 / ¥22710 / AUD$250

XM2170MBR: Pyrite with Calcite

A rarity. Groups of lustrous, isolated and arborescent Pyrite crystals that have grown on a Calcite scalenohedron formed by polycrystalline growths clearly developed at the top of the crystal. They are lustrous and snow-white in color, giving a beautiful color contrast with the Pyrite. A very unusual habit for the deposit.
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias) Spain (1978)
Specimen size: 5.9 × 4.4 × 4.4 cm = 2.32” × 1.73” × 1.73”
Price: €170 / US$182 / ¥24130 / AUD$270

TXA86AO5: Pyrite with Calcite

Group of very sharp and extraordinarily shiny Pyrite crystals, with coatings of lenticular rhombohedral Calcite crystals, translucent, lustrous, and white in color with geometric zoning on the edges.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2000-2011)
Specimen size: 7.6 × 5.4 × 4.3 cm = 2.99” × 2.13” × 1.69”
Price: €170 / US$182 / ¥24130 / AUD$270

TTV86AP3: Pyrite with Calcite

"Nest" of very sharp and extraordinarily lustrous Pyrite crystals with a parallelepiped shape, on matrix, with flattened rhombohedral Calcite crystals. The specimen came from Ferat Voca, a former worker in this classic mine.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2000-2021)
Specimen size: 7.2 × 5.1 × 3.8 cm = 2.83” × 2.01” × 1.50”
Price: €180 / US$192 / ¥25550 / AUD$280

TLR96AP3: Pyrite with Calcite

Very aerial group of sharp Pyrite crystals, very lustrous and on matrix, with aggregates of white microcrystals of Calcite. The specimen comes from Ferat Voca, a former worker in this classic mine.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2000-2021)
Specimen size: 7.7 × 6.3 × 4.5 cm = 3.03” × 2.48” × 1.77”
Price: €190 / US$203 / ¥26970 / AUD$300

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$203 / ¥26970 / AUD$300

EPR97AP2: Pyrite with Calcite

Botryoidal Pyrite growths with very vivid metallic iridescence, very lustrous, in matrix, with acute scalenohedral Calcite crystals.
Daguangshan Mine, Edong, Daye, Huangshi Prefecture, Hubei Province China (06/2022)
Specimen size: 7.5 × 4.3 × 2.6 cm = 2.95” × 1.69” × 1.02”
Price: €280 / US$299 / ¥39740 / AUD$440

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$364 / ¥48260 / AUD$540

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”
Price: €340 / US$364 / ¥48260 / AUD$540

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$364 / ¥48260 / AUD$540

MFA87AP3: Pyrite with Calcite and Fluorite

Pineapple growth of deformed cubic Pyrite crystals with curvatures, striations and other growth forms, on matrix, with white rhombohedral Calcite crystals, and cubic Fluorite crystals which are transparent, with good luster and an intense yellow color. The specimen is not from the classic Moscona mine, but rather from the Villabona mines.
Villabona Mines, Barrio de la Estación, Villabona, Llanera, Comarca del Nora, Principality of Asturias (Asturias) Spain (1993)
Specimen size: 7.8 × 5.1 × 4.5 cm = 3.07” × 2.01” × 1.77”
Price: €280 / US$299 / ¥39740 / AUD$440

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$160 / ¥21290 / AUD$240

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$685 / ¥90850 / AUD$1020

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