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Hyalite

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Watches:
RHT769895

Hyalite

Fluorescent

Description Tabs

Description
Locality: 
Valeč, Doupov, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.4 × 2.2 cm
Weight: 
12.00gr
Description

Very nice specimen of colorless (UV-SW green fluorescence) jelly-like hyalite (opal-an) on matrix. From the best locality for opal-an in Europe.

Mineral Data
What's on the rock

Hyalite

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