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Opal

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SHS37415

Opal

ex. Collection Gerhard Gürsch (Stuttgart/Germany)

Description Tabs

Description
Locality: 
Eibenstock, Saxony, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 6.3 × 3.5 cm
Description

Banded 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
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