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Opal Var Hyalite

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SHS60991

Opal Var Hyalite

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 5.4 × 4 cm
Description

A specimen of the opal variation hyalite on matrix

Mineral Data
What's on the rock

Opal

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

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