No products
Arsenopyrite
-
ARSENOPYRITE, FLUORAPATITE,...
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 -
ARSENOPYRITE, QUARTZ, MUSCOVITE
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 -
ARSENOPYRITE, MUSCOVITE
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 -
ARSENOPYRITE, SIDERITE,...
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 -
ARSENOPYRITE, QUARTZ,...
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 -
ARSENOPYRITE, SIDERITE, MUSCOVITE
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 -
FLUORAPATIE, ARSENOPYRITE,...
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 -
FLUORAPATIE, ARSENOPYRITE,...
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 -
ARSENOPYRITE, CASSITERITE, QUARTZ
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 -
FLUORITE, ARSENOPYRITE, SIDERITE
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 -
ARSENOPYRITE CASSITERITE...
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 -
FERBERITE, SIDERITE,...
Group of tabular ferberite crystals, very well defined, interpenetrated among them, forming tabular prisms, with striated faces and well-defined terminations. Intense black ...Ref: 1P296
Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL
Dimensions: 5.4 X 4.5 X 4.7 cm.
400 € In Stock -
CASSITERITE, SIDERITE,...
Excellent cassiterite crystal that shows very well-defined faces and edges, the classic cyclical twinning and a certain transparency that allows seeing honeyed tones when light ...Ref: 1P297
Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL
Dimensions: 4.5 X 4 X 3.6 cm.
470 € In Stock -
ARSENOPYRITE, SIDERITE, PYRITE,...
In this Panasqueira mines specimen we can observe groups of very bright and well defined arsenopyrite crystals, sprinkled with small pyrite crystals, and associated with a ...Ref: 1P303
Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL
Dimensions: 4.4 X 4.1 X 3.6 cm.
150 € In Stock -
FERBERITE, QUARTZ, ARSENOPYRITE,...
In this specimen we can see several ferberite crystals of very good size, with an excellent brilliance and a very deep black colour. Some of these crystals are even doubly ...Ref: 1P311
Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL
Dimensions: 5.6 X 4.8 X 5.5 cm.
400 € In Stock