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Opal

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MGR630517

Opal

Description Tabs

Description
Locality: 
Aguascalientes, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.7 × 1.8 cm
Description

A wonderful opal, with iridiscent colors - there is red, green, yellow and of course brown. The contarst to very light matrix is very nice!

Mineral Data
What's on the rock

Opal

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