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Opal-AN & Carbonate-rich Fluorapatite

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POL858377

Opal-AN & Carbonate-rich Fluorapatite

Classic Locality

Description Tabs

Description
Locality: 
Valeč, Doupov, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.1 × 5.5 × 3.8 cm
Description

Amazing specimen of colorless Opal var. Opal-AN with white crystals and balls of  Carbonate-rich Fluorapatite on matrix from classic location. Very good.

Mineral Data
What's on the rock

Opal-AN

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white

Carbonate-rich Fluorapatite

Variety Of: 

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Hardness: 
5.0
Formula: 
Ca5(PO4,CO3)3(F,O)
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0

Seller Information

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Seller's terms and conditions

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