Arsenopyrite-Marcasite - Mineral specimens search results

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Mineral specimens search results for [ Arsenopyrite-Marcasite ]

T81ZB1: Arsenopyrite-Marcasite epitaxial

Huge epitaxial crystals of Arsenopyrite and Marcasite. They have grown together and you cannot tell where one starts and the other ends. In this case the crystal form is that of Marcasite but color and luster is that of Arsenopyrite. So you really cannot tell what is what! Brownish Mica at the base makes a good contrast in this interesting specimen.
Minas da Panasqueira / level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Centro Portugal
Specimen size: 6.5 × 7 cm = 2.6” × 2.8”
Price: [SOLD]

RF96N4: Epitactic Arsenopyrite-Marcasite with Pyrite

Multiple parallel growths of Arsenopyrite and Marcasite of very sharp and well defined forms, epigenetic on Pyrite.
Minas da Panasqueira / level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Centro Portugal (±1982)
Specimen size: 7.8 × 6.9 × 5.2 cm = 3.1” × 2.7” × 2.0”

Main crystal size: 1.8 × 1.8 cm = 0.7” × 0.7”
Price: [SOLD]

TP88P3: Epitactic Arsenopyrite-Marcasite with Calcite, Siderite and Chalcopyrite

Epitactic growths of very well defined crystals of Marcasite, with excellent luster, on prismatic crystals of Arsenopyrite and with thin coatings of small crystals of Siderite in some areas.
Minas da Panasqueira / level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Centro Portugal (1997)
Specimen size: 13 × 8.2 × 6.2 cm = 5.1” × 3.2” × 2.4”
Price: [SOLD]

TG69X8: Epitactic Arsenopyrite-Marcasite with Siderite, Calcite and Muscovite

Epitaxial Marcasite on parallel growths of sharp Arsenopyrite crystals showing the so-called “key” shape. They are on matrix, with small white Calcite crystals, small Siderite crystals and leafy Muscovite aggregates.
Minas da Panasqueira / level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Centro Portugal (1997)
Specimen size: 13.7 × 10.7 × 8.2 cm = 5.4” × 4.2” × 3.2”

Main crystal size: 7 × 2.6 cm = 2.8” × 1.0”
Price: Euro: 460 / US$ 591 / Yen: 60650

4 results found.

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