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Opal

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Watches:
SHS182637

Opal

ex Collection Dr. Brandt (Northeim/Germany)
With Antique Label

Description Tabs

Description
Locality: 
Rosenau Am Hengstpass, Upper Austria, Austria
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 5.5 × 3.3 cm
Description

Nice piece of brown 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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