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Hyalite

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MGR933297

Hyalite

Fluorescent

Description Tabs

Description
Locality: 
Valeč, Doupov, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.8 × 1.5 cm
Description

Beautiful shaped cluster of water-clear hyalite nicely set on dark matrix from the Czech Republic. It is highly reactive under UV light which is shown in the secomd picture.

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