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Topaz & Opal

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CFL958742

Topaz & Opal

Fluorescent

Description Tabs

Description
Locality: 
Durango, Mexico
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.4 cm
Description

Very nice and rich specimen of translucent to gemmy topaz crystals associated with fluorescent gemmy opal.  From a very small private collection.

Mineral Data
What's on the rock

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

Opal

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

Seller Information

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Collection Arkane accept payments by Paypal and direct email messages.