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Opal

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RPL179811

Opal

Description Tabs

Description
Locality: 
Virginia China Clay Pit, Melbur, St Austell, Cornwall, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
4.5 × 8 × 2 cm
Description

Resinous orange and green banded opal on granite.

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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