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Apatite-(CaF) : Ca5[F|(PO4)3], Siderite : FeCO3 | |
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Barroca Grande Mine, Panasqueira, Covilhã, Castelo Branco District, Portugal Translucent, green-gray fluorapatite crystal 8 mm across on matrix with three greenish-brown siderite crystals up to 8 mm. Very clean, no damage. Overall size of mineral specimen: 22x21x15 mm. Size of individual crystals: 5-8 mm. |
| © 2003 John H. Betts | Photo ID: 8193 View Count: 508 |
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Barroca Grande Mine, Panasqueira, Covilhã, Castelo Branco District, Portugal Nice floater cluster of composite silky-lustered opaque green hexagonal crystals of apatite to about 2 cm. There is a group of zoned creamy flat prismatic 2-mm. crystals of siderite envelopping a couple of lustrous black crystals of sphalerite to 0.7 cm. A few translucent white biterminated crystals of quartz to 0.6 cm. add to the whole. ... |
| © Edelmin | Photo ID: 76218 View Count: 182 |
Apatite-(CaF) : Ca5[F|(PO4)3] | |
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Barroca Grande Mine, Panasqueira, Covilhã, Castelo Branco District, Portugal Aggregate of dark green with violet shades tabular crystals Size, 4,2 x 4,1 x 2,9 cm. From the level 2 of Barroca Grande mine (1985-1986). |
| © CCURTO09 | Photo ID: 228220 View Count: 31 |
Apatite-(CaF) : Ca5[F|(PO4)3], Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS, Sphalerite : (Zn,Fe2+)S | |
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Barroca Grande Mine, Panasqueira, Covilhã, Castelo Branco District, Portugal 8.6 x 6.3 x 5.5 cm. Panasqueira is one of the more classic "modern" European localities. Although the area is defunct, it produced some amazing specimens about 40 years ago. It is certainly one of the most distinctive localities in the world and it has produced some amazing Apatite specimens. This piece features a few tabular, translucent, ... |
| © Rob Lavinsky | Photo ID: 228543 View Count: 21 |
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