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Opal

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SHS852628

Opal

Description Tabs

Description
Locality: 
Monte Rosa Mine, Ica, Ica Department, Peru
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.2 × 2.3 cm
Description

Nice piece of opal

Mineral Data
What's on the rock

Opal

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