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Opal

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ESM854474

Opal

Description Tabs

Description
Locality: 
Mayıslar, Saricakaya District, Eskişehir Province, Turkey
Class: 
Single Crystal
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6 × 5.5 cm
Description

A cut and polished opal nodule with dendritic inclusions

Mineral Data
What's on the rock

Opal

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