Cassiterite 

  • A delicious miniature. A group of sharp cassiterite crystals, interpenetrated between them. Good brilliance and honey color with transparence. On a minor muscovite matrix.  THE ...

    Ref: 1P129

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

    Dimensions: 2.3 X 2.1 X 2.1 cm.

    195 € Disponible
  • A rich specimen of brilliant cassiterite crystals with well defined faces and edges, some transparence when the light passes through them and good deep brown color. Accompanied ...

    Ref: 1P148

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

    Dimensions: 3.9 X 3.1 X 2.2 cm.

    200 € Disponible
  • A very rich cassiterite specimen formed by several deep brown crystals, with well-defined faces and edges, transparence and excellent brilliance. They are disposed on a matrix ...

    Ref: 1P159

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

    Dimensions: 5.8 X 4.8 X 2.6 cm.

    265 € Disponible
  • Group of cassiterite crystals with good toasted honey color, brilliance and visible transparence. Accompanied by fluorapatite crystals well defined and brilliant, with ...

    Ref: 1P170

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

    Dimensions: 2.9 X 2 X 1.8 cm.

    120 € Disponible
  • A miniature that shows a very good defined crystal cassiterite with cyclic twin. With some transparence that reveals honey tones. On a matrix with purple fluorite and siderite ...

    Ref: 1P180

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

    Dimensions: 2.9 X 2 X 1.9 cm.

    75 € Disponible
  • The brilliance of these cassiterite crystals is exceptional, with well defined faces, twinned and disposed in a very aesthetic way on a matrix with fluorapatite, with ...

    Ref: 1P202

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

    Dimensions: 4.7 X 2.9 X 0.3 cm.

    155 € In Stock
  • A rich group of cassiterite crystals, very brilliant, sharp and showing cyclic twins. Intense brown, almost black, but with toasted honey tones on reflections due to a certain ...

    Ref: 1P214

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

    Dimensions: 6.2 X 5.9 X 5.8 cm.

    485 € 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
  • 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
  • Group of quartz crystals, most of them doubly terminated, of a very good size and hyaline. They present numerous inclusions of sphalerite and chalcopyrite. Various crystals of ...

    Ref: 1P284

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

    Dimensions: 9.4 X 5 X 6.1 cm.

    400 € In Stock
  • Group of sharp cassiterite crystals, some of them twinned, from this classic Bolivian locality. Excellent brilliance, some transparence and deep brown color, close to black. ...

    Ref: 1V035

    Location: VILOCO MINE, ARACA LA PAZ, BOLIVIA

    Dimensions: 5.1 X 3.8 X 2.9 cm.

    195 € Disponible
  • Group of sharp and complex cassiterite crystals, some of them twinned, from this classic Bolivian locality. Excellent brilliance, some transparence and deep brown color, close ...

    Ref: 1V036

    Location: VILOCO MINE, ARACA LA PAZ, BOLIVIA

    Dimensions: 4.8 X 3.6 X 2.9 cm.

    195 € Disponible
  • On a mtarix formed by several quartz crystals some black prismatic cassiterite with a nice shape contarsting with the matrix. THE MAIN CRYSTAL IS: 1.3 x 0.6 x 0.4 cm.

    Ref: 1V079

    Location: HUANUNI MINE, HUANUNI, DALENCE, ORURO, BOLIVIA

    Dimensions: 8 X 6 X 2 cm.

    315 € Disponible
  • Group of twinned cassiterite crystals with an excellent brilliance, black color and very sharp and complex crystal growths. On a small muscovite matrix. THE MAIN CRYSTAL IS: 2 ...

    Ref: 1X003

    Location: XUEBAODING, PINGWU, SICHUAN, CHINA

    Dimensions: 4 X 3 X 2.5 cm.

    220 € Disponible
  • On a muscovite matrix groups of perfectly twinned cassiterite crystals accompanied by very transparent beryl crystals with a delicate bluish tone (var. aquamarine). A good size ...

    Ref: 1X019

    Location: PINGWU, SICHUAN, CHINA

    Dimensions: 11 X 8 X 3.5 cm.

    690 € Disponible
  • On a rich muscovite matrix a group of cassiterite twinned crystals in staggered and complex growth. A classic we always enjoy. THE MAIN CRYSTAL IS: 2 x 1,4 x 0,5 cm.

    Ref: 1X040

    Location: XUEBAODING, PINGWU, SUCHUAN, CHINA

    Dimensions: 9 X 7.8 X 5.3 cm.

    665 € Disponible
  • A nice combination of very transparent and sharp beryl (var. aquamarine) crystals with a delicate blue color, partially covered by muscovite and accompanied by feldpar and a ...

    Ref: 1X048

    Location: XUEBAODING, PINGWU, SICHUAN, CHINA

    Dimensions: 5.7 X 4.8 X 4.5 cm.

    485 € Disponible
  • Group of twinned cassiterite crystals. Very well defined faces and edges. Color and transparence are the best, toasted honey tones with color zoning... Disposed on a group of ...

    Ref: 1X056

    Location: XIMENG TIN MINE, XIACHANG, YUNNAN, CHINA

    Dimensions: 2.9 X 2.3 X 2.1 cm.

    400 € Disponible
  • Group of cassiterite crystals, one of them with a good size, from a classic Chinese locality. We can observe perfectly the twin. Brilliant striated faces and defined edges. ...

    Ref: 1X104

    Location: XUEBAODING, PINGWU, SICHUAN, CHINA

    Dimensions: 3.9 X 3.7 X 3 cm.

    400 € Disponible

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