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Opal

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SYA642050

Opal

Description Tabs

Description
Locality: 
Kigoma Region, Tanzania (United Republic)
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 5 cm
Description

A nice transparent yellow-amber colored opale with small inclusions of  manganese dentrites.

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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