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Siderite
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SIDERITE PSEUDOMORPH AFTER...
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 -
SIDERITE, MICA, FLUORAPATITE,...
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 -
SIDERITE, FLUORAPATITE, QUARTZ,...
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 -
SIDERITE, MUSCOVITE
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 -
FLUORAPATITE, SIDERITE
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 -
FLUORAPATITE, SIDERITE,...
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 -
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 -
CASSITERITE, QUARTZ, PYRITE,...
Group of cassiterite crystals, twinned and interpenetrated, with good brilliance and transparence that allow us to see those characteristic honey-colored tones. It is ...Ref: 1P272
Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL
Dimensions: 4.1 X 4 X 4 cm.
170 € 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 -
FLUORAPATITE, MUSCOVITE, SIDERITE
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 -
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 -
PYRITE, SIDERITE
Interesting miniature formed by pyrite crystals with a prismatic habit and very well-defined faces and edges. These forms of pyrite are not at all common. Another curiosity of ...Ref: 1P313
Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL
Dimensions: 1.6 X 1.4 X 1.4 cm.
170 € In Stock -
FLUORAPATITE, QUARTZ, SIDERITE,...
Group of very good size fluorapatite crystals from this classic Portuguese mine: Panasqueira. They show thick hexagonal prisms, truncated by the pinacoidal faces and ...Ref: 1P315
Location: PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL
Dimensions: 5.2 X 4.3 X 4.1 cm.
580 € In Stock -
SIDERITE PSEUDOMORPH AFTER CALCITE
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 -
SIDERITE PSEUDOMORPH AFTER CALCITE
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 -
SIDERITE PSEUDOMORPH AFTER...
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 -
SIDERITE, QUARTZ
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 -
CALCITE, SIDERITE
Group of sharp calcite crystals with a luster not usual for the locality. Rhombohedra flattened crystals with this grey to bluish tone due to sulphosalt inclusions. Accompanied ...Ref: 1R340
Location: HERJA MINE, CHIUZBAIA, BAIA MARE, MARAMUREȘ, ROMANIA
Dimensions: 3.9 X 3.4 X 2.6 cm.
120 € In Stock -
SIDERITE, PYRITE, CHALCEDONY
A matrix with quartz and pyrite covered by huge size first generation rhombohedra siderite crystals partially disolved by a second generation of small siderite crystals, but ...Ref: 1R920
Location: TURȚ MINE (GHEZURI MINE), TURȚ, NEGREȘTI-OAȘ, OAȘ MOUNTAINS, SATU MARE, SATU MARE, ROMANIA
Dimensions: 20 X 12.2 X 4.1 cm.
485 € Disponible -
STIBNITE, SIDERITE
The beauty of this specimen must be considered by the disposition of the acicular to prismatic stibnite crystals emerging from the vugs of the siderite matrix. Good luster –not ...Ref: 1R940
Location: HERJA MINE, BAIA MARE, ROMANIA
Dimensions: 14.5 X 12.2 X 11.3 cm.
785 € In Stock -
LUDLAMITE, SIDERITE
A nice miniature formed by a group of brilliant ludlamite crystals, with good transparence, acute, uniform and characteristic green color, with zoning. Very aerial disposed on ...Ref: 1V099
Location: HUANUNI MINE, HUANUNI, DALECE, ORURO, BOLIVIA
Dimensions: 3.4 X 2.2 X 2 cm.
1 450 € In Stock -
VIVIANITE, SIDERITE
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: HUANUNI MINE, HUANUNI, PANTALEON DALENCE PROVINCE, ORURO, BOLIVIA
Dimensions: 8.4 X 6.7 X 2.1 cm.
970 € In Stock -
WURTZITE, PYRRHOTITE, SIDERITE
Very interesting specimen formed by rossetes of hexagonal wurtzite crystals, with an intense, almost black color. Exceptional brilliance and accompanied by lenticular siderite ...Ref: 1V179
Location: SIGLO VEINTE MINE (SIGLO XX MINE; LLALLAGUA MINE; CATAVI), LLALLAGUA, RAFAEL BUSTILLO PROVINCE, POTOSI, BOLIVIA
Dimensions: 6.9 X 4.6 X 3.7 cm.
410 € -
FLUORAPATITE, SIDERITE, QUARTZ
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 -
FLUORAPATITE, SIDERITE, QUARTZ
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
