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Opal

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SHS39026

Opal

Description Tabs

Description
Locality: 
Hochberg Quarry, Nieder-Ofleiden, Homberg, Vogelsberg, Giessen Region, Hesse, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.1 × 7.3 × 6.5 cm
Description

Blue opal on matrix

Mineral Data
What's on the rock

Opal

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