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RM610   Fluorapatite with marcasite, muscovite and dolomite

Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Portugal

Group of very sharp fluorapatite crystals showing defined prism faces and hexagonal dipyramids. Good transparence, color between green to greyish, depending on light. Very aesthetically disposed on a matrix of muscovite hexagonal rosettes, with white dolomite. Also with some cyclic twinned marcasite crystals, very brilliant and defined. Take a look under magnication lens. An excellent specimen from this Portuguese classic mine.


Size: 6,2 x 5,0 x 3,5 cm.
Main crystal: 17 x 15 mm.

Fluorescent under long wave UV
 

RM1928   Arsenopyrite

Minas da Panasqueira, Panasqueira, Covilhã, Castelo Branco, Portugal

This floater specimen shows a curious and aesthetic skeletal growth of arsenopyrite crystals. Oquerous, extremely brilliant, with flattened and striated forms. An exceptional piece for this Portuguese mine that never ceases to amaze us for its top quality specimens. A very different specimen from Panasqueira.


Size: 8 x 4.6 x 3.6 cm.

Classic locality
Price: 290 €Buy
 

RM1965   Arsenopyrite with fluorapatite

Minas da Panasqueira, Panasqueira, Covilhã, Castelo Branco, Portugal

A first line arsenopyrite specimen from Panasqueira. It is a large group of prismatic lanceolate crystals of brilliant arsenopyrite, very defined, interpenetrated, with striated faces, ultimately: pure aesthetics. And to give it a touch of excellence we have a group of fluorapatite crystals, brilliant, transparent and with an uniform green tone. A more than worthy representative from this classic Portuguese mine.


Size: 9.4 x 7 x 5.5 cm.
Main crystal: 24 mm.
Found in ±2005.

Classic locality
Price: 290 €Buy
 

RM751   Ferberite with quartz, siderite, muscovite and arsenopyrite

Minas da Panasqueira, Panasqueira, Covilhã, Castelo Branco, Portugal

Excellent combo formed by a group of ferberite crystals with parallel growths, with an intense black color and good brightness, peppered by lenticular siderite crystals. They are supported by a hyaline quartz crystal partially covered by muscovite. Note that quartz has a small dent on one of the faces of the terminal rhombohedra, without affecting the aesthetics of the sample. Arsenopyrite has grown on the ferberite. A specimen with a superb aesthetics, from a classic locality like Panasqueira.


Size: 6,0 x 5,5 x 3,5 cm.

 

RM1865   Fluorapatite with quartz, muscovite, siderite and pyrite

Minas da Panasqueira, Panasqueira, Covilhã, Castelo Branco, Portugal

Group of hyaline quartz crystals, well developed and defined, with some curious crystals of fluorapatite, with a marked geometrical color zoning and inclusions. Theya re accompanied by brilliant pyrite crystals on muscovite and siderite.


Size: 9.5 x 8.5 x 6 cm.
Main crystal: 8 x 8 mm. F-ap
Found in ±1980.

Col. J.M. Manchion, Barcelona.
Fluorescent under long wave UV


Price: 65 €Buy
 
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