Arsenopyrite 

  • On a very bright crystallized arsenopyrite matrix an emerging yellow to beige siderite crystal. With some fluorapatite. THE MAIN CRYSTAL IS: 2,2 x 1,5 x 0,5 cm.

    Ref: 1P004

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 6.4 X 3.3 X 2.6 cm.

    50 € Disponible
  • On a druse of muscovite crystals, accompanied by some quartz crystals showing sulphide inclusions, a group of very bright arsenopyrite complex crystals.THE MAIN CRYSTAL IS: 1,8 ...

    Ref: 1P007

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, PORTUGAL

    Dimensions: 11.6 X 5.7 X 4.3 cm.

    195 € Disponible
  • Group of arsenopyrite crystals with an intense luster and complex fan-shaped growth forms which confers a curved shape to the specimen. One could see some defined faces but all ...

    Ref: 1P012

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 5.2 X 4.6 X 1.8 cm.

    50 € Disponible
  • This specimen is very interesting for the number of species represented in. A huge size group of yellowish siderite crystals partially included in a matrix with very sharp and ...

    Ref: 1P135

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 5.2 X 5.2 X 4.6 cm.

    315 € Disponible
  • Group of very sharp hyaline quartz crystals with a well developed prism. Accompanied by a beautiful group of arsenopyrite defined crystals with excellent luster and spectacular ...

    Ref: 1P141

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 6.5 X 5.8 X 5.4 cm.

    170 € Disponible
  • Full brilliance. A very rich group of arsenopyrite crystals well defined and including a core of gold chalcopyrite. Partially covered by calcite and quartz. A sample of good ...

    Ref: 1P197

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 7.8 X 5.8 X 4.8 cm.

    460 € Disponible
  • Rich group of lenticular siderite crystals forming very aesthetic rosettes. Siderite has grown with various groups of brilliant arsenopyrite crystals. With some muscovite. Nice ...

    Ref: 1P222

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 10.5 X 5.1 X 3.2 cm.

    365 € Disponible
  • More than aesthetic specimen formed by a rich group of arsenopyrite crystals, with exceptional luster, iridescent, with dark blue to reddish tones. It is accompanied by various ...

    Ref: 1P232

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 8.1 X 4.6 X 3.4 cm.

    410 € In Stock
  • More than aesthetic specimen formed by a rich group of arsenopyrite crystals, with exceptional luster, iridescent, with dark blue to reddish tones. It is accompanied by various ...

    Ref: 1P234

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 7.8 X 4.9 X 3 cm.

    365 € In Stock
  • In this good sized specimen we enjoy a group of arsenopyrite prismatic crystals, some of them doubly terminated, which form a very aesthetic aggregate in the central part of ...

    Ref: 1P251

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 13.2 X 10.3 X 5 cm.

    1 065 € In Stock
  • Group of fluorite crystals, with evident cubic symmetry, with well-defined faces and edges and a marked color zoning, combining blue with violet. Good transparence. On a matrix ...

    Ref: 1P256

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 4 X 3.7 X 3.1 cm.

    400 € In Stock
  • A compact specimen formed by a matrix of very bright arsenopyrite crystals in parallel growth on which several cassiterite crystals have grown. These show the typical cyclic ...

    Ref: 1P276

    Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

    Dimensions: 5.2 X 4.2 X 4.5 cm.

    265 € In Stock

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