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Opal

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SHS180826

Opal

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Description
Locality: 
Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 4.2 × 2.9 cm
Description

Nice opal var mother of opal

Mineral Data
What's on the rock

Opal

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