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Opal

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MGR923222

Opal

Classic Locality

Description Tabs

Description
Locality: 
Tsehay Mewcha, Delanta Woreda, North Wollo, Amhara Region, Ethiopia
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.6 × 1 cm
Description

A typical "Wello"-Opal with intense blue and green fashes. Looks great in various positions and even better in person.

Mineral Data
What's on the rock

Opal

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