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Fire Opal

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NST641314

Fire Opal

Description Tabs

Description
Locality: 
Mexico
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 3.7 × 2.1 cm
Description

A matrixspecimen of orange-red fire opal from Mexico. Including older handwritten label.

Mineral Data
What's on the rock

Fire Opal

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Hardness: 
0.0
Colour: 
Red