Ferberite 

  • A parallel growth of ferberite crystals, with very brilliant and striated faces and partially covered by a layer of yellowish siderite crystals with a minor fluorapatite. THE ...

    Ref: 1P016

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

    Dimensions: 7.5 X 6.8 X 3.4 cm.

    230 € Disponible
  • Group of ferberite crystals of good size and striated faces and defined complex edges. With an intense black color. It is accompanied by some developed quartz crystals and some ...

    Ref: 1P069

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

    Dimensions: 6.1 X 5.1 X 4.6 cm.

    365 € Disponible
  • A complete specimen, formed by a group of well-defined hübnerite tabular crystals with parallel growths, one of them predominant, intense black color, on which has grown a ...

    Ref: 1P163

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

    Dimensions: 6.2 X 5 X 2.6 cm.

    265 € Disponible
  • Group of very sharp tabular ferberite crystals, very rich in faces, with good metallic luster those are partially covered by transparent to translucent fluorite cubes with a ...

    Ref: 1P181

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

    Dimensions: 5.9 X 5.2 X 4.1 cm.

    310 € Disponible
  • A good size group of tabular ferberite crystals, with good size and brilliance. Defined and striated faces. Accompanied by fluorapatite and arsenopyrite. Partially covered by ...

    Ref: 1P189

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

    Dimensions: 8.3 X 4.8 X 4.2 cm.

    425 € Disponible
  • Very curious specimen that shows various fluorapatite crystals of good size, with a group of ferberite crystals very rich in faces and intense black color. They are partially ...

    Ref: 1P201

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

    Dimensions: 6.6 X 5.5 X 4.4 cm.

    315 € In Stock
  • A very well balanced specimen formed by a group of thick and brilliant ferberite crystals with  defined faces and edges, interpenetrating and showing parallel growth. ...

    Ref: 1P235

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

    Dimensions: 6.5 X 5.7 X 3.9 cm.

    365 € In Stock
  • Very good size specimen formed by an aggregate of ferberite crystals with parallel growths and of intense luster and black color. It is accompanied by various lenticular ...

    Ref: 1P285

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

    Dimensions: 6.3 X 8.8 X 4.9 cm.

    315 € In Stock
  • This specimen of ferberite stands out for the size of its crystals and because it is covered with tiny violet-coloured fluorite crystals. These small crystals show cube and ...

    Ref: 1P294

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

    Dimensions: 5.8 X 3.5 X 3.5 cm.

    170 € In Stock
  • 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
  • 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
  • A group of very sharp ferberite black crystals embedded in a quartz crystal matrix. Accompanied by a complex but well developed quartz crystal. To increase its aesthetics a ...

    Ref: 1X007

    Location: YAOGANGXIAN MINE, YAOGANGXIAN W-SN ORE FIELD, YIZHANG CO., CHENZHOU, HUNAN, CHINA

    Dimensions: 8.8 X 6 X 4.7 cm.

    605 € Disponible
  • Group of defined ferberite crystals showing parallel growth, visible terminal faces and deep black color. They are accompanied by groups of cubic fluorite crystals with violet ...

    Ref: 1X055

    Location: YAOGANGXIAN MINE, YAOGANGXIAN W-SN ORE FIELD, YIZHANG CO., CHENZHOU, HUNAN, CHINA

    Dimensions: 4.9 X 3.6 X 2.1 cm.

    135 € Disponible

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