Siderite 

  • A curious siderite after calcite preserving rhombohedral habit and also tabular and rounded forms. Color is toasted honey but varies between yellow to brown, with good ...

    Ref: 1J002

    Location: TURT OAS, SATU MARE, ROMANIA

    Dimensions: 31 X 15 X 14 cm.

    1 330 € Disponible
  • Lenticular siderite crystal with a good size and very brilliant surface. With a matrix formed by small muscovite crystals, quartz and fluorapatite. Fluorescence UVC. THE MAIN ...

    Ref: 1P014

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

    Dimensions: 13.5 X 7.8 X 7 cm.

    240 € Disponible
  • A rich group of siderite rhombohedral flattened crystals growing in a lenticular shape. Accompanied by some fluorapatite crystals with a marked hexagonal shape, green color and ...

    Ref: 1P050

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

    Dimensions: 12.1 X 6.3 X 2.5 cm.

    265 € Disponible
  • Outstanding yellow-pale brown siderite globular aggregate which predominates over the remaining associated minerals, arsenopyrite, moscovite and chalcopyrite, all of them well ...

    Ref: 1P105

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

    Dimensions: 12.5 X 11.7 X 4.5 cm.

    460 € Disponible
  • Group of siderite crystals with honey tones and translucent. They show deformed rhombohedra forms remembering the octahedron. On a minor matrix. Very curious for this mine.

    Ref: 1P132

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

    Dimensions: 3.2 X 2.9 X 1.3 cm.

    95 € Disponible
  • Panasqueira never ceases to amaze us. In this specimen we can enjoy a large group of fluorapatite crystals, very brilliant and with transparence, with a very attractive green ...

    Ref: 1P236

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

    Dimensions: 6.8 X 5 X 3 cm.

    845 € In Stock
  • A very interesting combo of flattened siderite rhombohedral crystals of intense greenish color and brilliance. They are accompanied by quartz, muscovite, a group of ...

    Ref: 1P240

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

    Dimensions: 6.5 X 8 X 3.5 cm.

    545 € 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
  • This miniature shows us a hexagonal crystal very well defined and faceted by the faces of the prism, truncated by the pinacoid and the faces of the hexagonal dipyramid are ...

    Ref: 1P306

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

    Dimensions: 4 X 3.4 X 2.4 cm.

    265 € In Stock
  • Very curious siderite pseudomorph after calcite. Well defined rhombohedrons totally covered (by perimorphic processes) by a new generation of small siderite crystals. This ...

    Ref: 1R085

    Location: TURȚ MINE (GHEZURI MINE), TURȚ, NEGREȘTI-OAȘ, OAȘ MOUNTAINS, SATU MARE, SATU MARE, ROMANIA

    Dimensions: 7.9 X 7.7 X 2.5 cm.

    120 € Disponible
  • Very curious siderite pseudomorph after calcite. Well defined rhombohedron totally replaced (by perimorphic processes) by a new generation of small siderite crystals. This ...

    Ref: 1R086

    Location: TURȚ MINE (GHEZURI MINE), TURȚ, NEGREȘTI-OAȘ, OAȘ MOUNTAINS, SATU MARE, SATU MARE, ROMANIA

    Dimensions: 6.1 X 5.8 X 3.5 cm.

    75 € Disponible
  • Well defined rhombohedrons totally covered (by perimorphic processes) by a new generation of small siderite crystals. This specimen is perfect to show different siderite ...

    Ref: 1R125

    Location: TURȚ MINE (GHEZURI MINE), TURȚ, NEGREȘTI-OAȘ, OAȘ MOUNTAINS, SATU MARE, SATU MARE, ROMANIA

    Dimensions: 12.5 X 7.7 X 3.5 cm.

    195 € Disponible
  • Globular aggregates of pale tan siderite formed by crystals of the mineral and associated to rounded quartz crystals. Good contrast between quartz and siderite. As a curiosity, ...

    Ref: 1R276

    Location: TURȚ MINE (GHEZURI MINE), TURȚ, NEGREȘTI-OAȘ, OAȘ MOUNTAINS, SATU MARE, SATU MARE, ROMANIA

    Dimensions: 8.7 X 7.9 X 4.4 cm.

    195 € Disponible
  • On a matrix of small crystals of siderite they are disposed very aerial various prismatic crystals of vivianite in parallel growth, with very defined top terminal faces, thick, ...

    Ref: 1V160

    Location: HUANINE MINE, HUANUNI, DALENCE, ORURO BOLIVIA

    Dimensions: 8.4 X 6.7 X 2.1 cm.

    970 € In Stock
  • On a matrix of quartz crystals has grown a translucent fluorapatite crystal with a very uniform pink colour and very well-defined hexagonal faces, truncated by the pinacoids ...

    Ref: 1V217

    Location: KAMI MINE, AYOPAYA PROVINCE, COCHABAMBA, BOLIVIA

    Dimensions: 7.2 X 6 X 6.1 cm.

    1 450 € In Stock
  • On a matrix of hyaline quartz crystals, with a developed prism, several fluorapatite crystals of hexagonal shape are disposed. These present shapes of various order hexagonal ...

    Ref: 1V218

    Location: KAMI MINE, AYOPAYA PROVINCE, COCHABAMBA, BOLIVIA

    Dimensions: 7.5 X 5.3 X 7.4 cm.

    1 450 € In Stock

No products

To be determined Shipping
0 € Total

Check out