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Opal Var Manganese Dendrites

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SHS76365

Opal Var Manganese Dendrites

Description Tabs

Description
Locality: 
Chuquicamata Mine, Calama, Antofagasta Region, Chile
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 1.8 × 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
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