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TC2490NLJ: Arsenopyrite with Quartz and Muscovite
Floater plate of Arsenopyrite crystals with very sharp crystal forms, very lustrous, with water-clear Quartz crystals and leafy aggregates of Muscovite crystals. The specimen comes from the collection Folch of duplicates, whose autographed label we will send to the buyer.
Minas da Panasqueira, levels 0-1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (04/2017)
Specimen size: 15.6 × 11.3 × 4.5 cm = 6.14” × 4.45” × 1.77”
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AQ16M4: Arsenopyrite with Quartz and Siderite
Another especially esthetic specimen consisting of very well defined and bright Arsenopyrite crystals accompanied by several doubly terminated Quartz crystals and covered by a very rich layer of Siderite crystals on the back side.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1995)
Specimen size: 11.5 × 7.9 × 5.7 cm = 4.53” × 3.11” × 2.24”

Main crystal size: 2.1 × 0.6 cm = 0.83” × 0.24”
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RA16AN2: Arsenopyrite with Quartz, Muscovite and Chlorite
Parallel growths of short prismatic Arsenopyrite crystals with good terminations, very lustrous. On matrix with Quartz crystals, one of them clearly dominant, transparent, lustrous and rich in inclusions. Also leafy aggregates of Muscovite crystals and Chlorite coatings.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±1970)
Specimen size: 7 × 6.8 × 3.2 cm = 2.76” × 2.68” × 1.26”
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TTP99AP3: Arsenopyrite with Rhodochrosite, Quartz and Pyrite after Pyrrhotite
Stalactitic druse of prismatic Arsenopyrite crystals, very sharp and shiny, with aggregates of rhombohedral crystals of Rhodochrosite, small white crystals of Quartz and lamellar hexagonal groups of Pyrite crystals pseudomorphing Pyrrhotite. The specimen comes from Ferat Voca, a former worker in this classic mine.
Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2000-2021)
Specimen size: 15.8 × 6.2 × 5.9 cm = 6.22” × 2.44” × 2.32”

Main crystal size: 2 × 1.5 cm = 0.79” × 0.59”
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RG76G6: Arsenopyrite with Siderite and Chalcopyrite
A nice group of doubly-terminated crystals of Arsenopyrite, with typical saw tooth edges and very bright. They contrast with lenticular crystals of Siderite and a little covering of Chalcopyrite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 7.3 × 5.7 × 3.8 cm = 2.87” × 2.24” × 1.50”
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TY76H9: Arsenopyrite with Siderite and Muscovite
Parallel growth of elongated crystals with small crystals of Siderite and Muscovite. The parallel growth is evident on the terminal faces.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 7.3 × 4 × 4.4 cm = 2.87” × 1.57” × 1.73”
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TF56H4: Arsenopyrite with Siderite and Pyrite
The group, very aerial, is a floater group of prismatic crystals of Arsenopyrite, most of them doubly terminated and forming a kind of wall with small crystallized nucleus of Pyrite and Siderite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 7.1 × 3.5 × 2.8 cm = 2.80” × 1.38” × 1.10”
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NH16X9: Arsenopyrite with Stannite, Calcite and Pyrite
Parallel polycrystalline Arsenopyrite growths with dark gray Stannite intergrowths and leafy Muscovite aggregates, partially coated by small white Calcite crystals and aggregates of cubic Pyrite crystals. We’ll send a copy of the analysis of the Arsenopyrite to the buyer.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2001)
Specimen size: 6.7 × 5.4 × 4.1 cm = 2.64” × 2.13” × 1.61”
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RM46M9: Arsenopyrite with Topaz and Siderite
Group of very well defined and bright crystals of Arsenopyrite with small crystals of Muscovite and white Siderite. On the bottom of the specimen there are a group of small crystals of Topaz. Although in the past some Topaz appeared in this mine, they are actually extremely rare.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±1982)
Specimen size: 5.7 × 4.1 × 3.6 cm = 2.24” × 1.61” × 1.42”
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NAY13AO5: Arsenopyrite with Valentinite, Senarmontite and Jamesonite
Small sharp Arsenopyrite crystals, lustrous and on matrix, with gray Jamesonite and aggregates of white Valentinite crystals with Senarmontite. A Spanish rarity that we have analyzed and for which we will send a copy of the analyses of the Valentinite, the Senarmontite and the Jamesonite to the buyer.
Carlés-Norte cut, Carlés Mine, Ballotal-El Fuxaco, Carlés, Salas, Comarca Valle del Narcea, Principality of Asturias (Asturias)  Spain (2002)
Specimen size: 6.1 × 4.4 × 1.7 cm = 2.40” × 1.73” × 0.67”
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16NA14: Arsenopyrite, Siderite, Ferberite
Parallel growth of brilliant, striated Arsenopyrite crystals, partially terminated, embedded in lenticular Siderite crystals with well defined faces and edges and a pseudo-hexagonal outline. Small black shiny Ferberite crystals adorn one of the Siderite crystals. Coming from the Minas da Panasqueira, a world-class locality in which mining continues.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±2005)
Specimen size: 5.8 × 5.4 × 3.4 cm = 2.28” × 2.13” × 1.34”
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NG27AL3: Arsenopyrite-Marcasite with Arsenopyrite and Siderite
Aggregate of iridescent, complete, epitactic Arsenopyrite-Marcasite crystals with polycrystalline cockscomb growths, very lustrous, on matrix, with elongated Arsenopyrite crystals and small brown rhombohedral Siderite crystals.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±2005)
Specimen size: 7 × 5.8 × 4 cm = 2.76” × 2.28” × 1.57”

Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”
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NE58AB5: Arsenopyrite-Marcasite with Calcite and Muscovite
Aggregate of complete and sharp epitaxial Arsenopyrite-Marcasite crystals that have cockscomb shaped polycrystalline growths. They are very bright and are on matrix, with small white Calcite crystals and leafy Muscovite aggregates.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2004)
Specimen size: 11.7 × 6 × 3.8 cm = 4.61” × 2.36” × 1.50”
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ETX67AP0: Arsenopyrite-Marcasite with Ferberite and Muscovite
Parallel epitactic growths of Arsenopyrite-Marcasite crystals with very well defined and sharp crystal forms. Brilliant, with iridescence of various colors and on matrix. With Ferberite crystals, lenticular Siderite crystals and coatings of lamellar Muscovite crystals.
Minas da Panasqueira, levels 0-1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2020)
Specimen size: 5 × 4.8 × 4.3 cm = 1.97” × 1.89” × 1.69”

Main crystal size: 3.8 × 1.5 cm = 1.50” × 0.59”
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HM220NJA: Arsenopyrite-Marcasite with Muscovite
Group of Arsenopyrite crystals with very well defined crystal forms and good terminations, together with toothed aggregates of the “cockscomb” variety of Marcasite. Partially covered by very sharp lamellar crystals of Muscovite.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±2005)
Specimen size: 6.8 × 5.3 × 4.8 cm = 2.68” × 2.09” × 1.89”
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AH90Z0: Arsenopyrite-Marcasite with Quartz with inclusions and Muscovite
Fan-like aggregates with a first metallic-gray growth phase of Arsenopyrite that progressively passes to a second phase of very sharp Arsenopyrite-Marcasite crystals, with a very clear and bright Quartz crystal, rich in inclusions, and with small leafy Muscovite aggregates.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1987-2013)
Specimen size: 9.4 × 9.4 × 5.5 cm = 3.70” × 3.70” × 2.17”
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MZ27AE7: Arsenopyrite-Marcasite with Siderite and Muscovite
Metallic gray prismatic Arsenopyrite crystals that are very bright, some of them doubly terminated, and have parallel epigenetic Marcasite growth with greenish color. They are on matrix, with small tabular Siderite crystals and leafy Muscovite aggregates.
Minas da Panasqueira, level 0, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 7.3 × 6.9 × 3.8 cm = 2.87” × 2.72” × 1.50”
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NF47AN2: Arsenopyrite-Marcasite with Siderite and Muscovite
Fan-shaped aggregates of crystals formed by a first phase of Arsenopyrite with a metallic gray color, followed by a second phase with very sharp crystals of Arsenopyrite-Marcasite with the typical “cockscomb” habit. With lenticular crystals of Siderite of light cream color and leafy aggregates of Muscovite crystals.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1999)
Specimen size: 13.4 × 8.8 × 3 cm = 5.28” × 3.46” × 1.18”

Main crystal size: 3 × 2.6 cm = 1.18” × 1.02”
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MF14AH6: Artinite
Very aerial radial spray of acicular and extraordinarily thin Artinite crystals on matrix.
Artinite Pit, Clear Creek, Picacho Peak, New Idria District, Diablo Range, San Benito County, California  USA
Specimen size: 3.2 × 1.6 × 1 cm = 1.26” × 0.63” × 0.39”
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RT14Z4: Artinite
Globular growths of white, silky and bright Artinite crystals coating an Antigorite (variety serpentine) matrix.
Artinite Pit, Clear Creek, Picacho Peak, New Idria District, Diablo Range, San Benito County, California  USA (±1965)
Specimen size: 7.5 × 6.5 × 4.1 cm = 2.95” × 2.56” × 1.61”
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HA26M3: Artinite
Nice specimen from a classic locality for the species. Radial fibrous aggregates of thin Artinite crystals with a pure white color, glossy luster and on a schist matrix. A representative specimen for your display.
Montjovet, Aosta Valley (Val d'Aosta)  Italy
Specimen size: 14.2 × 6.2 × 4.3 cm = 5.59” × 2.44” × 1.69”
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CX13AJ7: Atacamite
Groups, on matrix of elonagated Atacamite crystals with very well defined faces and edges and perfect terminal faces. They are bright and have a very deep color. The sample is from one of the more classic, even mythical, localities for the species.
Wallaroo Mine, Kadina, Yorke Peninsula, South Australia  Australia
Specimen size: 2 × 1.4 × 0.9 cm = 0.79” × 0.55” × 0.35”

Main crystal size: 0.3 × 0.1 cm = 0.12” × 0.04”
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MX14AJ0: Atacamite
Radial aggregates on matrix of acicular Atacamite crystals, very bright and with a very deep color.
A Chilean classic that was in the Enrique Moës collection.
La Farola Mine, Cerro Pintado, Las Pintadas District, Tierra Amarilla, Copiapó Province, Atacama Region  Chile
Specimen size: 9.2 × 7.1 × 4.2 cm = 3.62” × 2.80” × 1.65”
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TPB16AN3: Atacamite
Complete floater nodule of lustrous and deep colored Atacamite crystals. An Australian classic. We will ship the piece in its original Perky box from the Robert J. Noble collection, which also contains the label.
House East pit, Mount Gunson Copper mines, Pernatty Lagoon, Stuart Shelf, South Australia  Australia
Specimen size: 2.9 × 2 × 2.4 cm = 1.14” × 0.79” × 0.94”
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TX66AL4: Atacamite
Atacamite as polycrystalline spheroidal growths, with sharp faces, translucent and with very deep color. The specimen comes from one of the historical localities for the species, via the Robert J. Noble collection, and we will deliver it in its original Perky box from that collection, which also contains the label.
House East pit, Mount Gunson Copper mines, Pernatty Lagoon, Stuart Shelf, South Australia  Australia
Specimen size: 2.4 × 1.8 × 2.5 cm = 0.94” × 0.71” × 0.98”

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