Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Precious Opal

Views:
Watches:
NST693211

Precious Opal

Description Tabs

Description
Locality: 
Andamooka Opal Fields, Andamooka Ranges, Stuart Shelf, South Australia, Australia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.4 × 1 cm
Description

A polished pebble of Precious Opal in matrix from Andamooka. Most likely stabilized or treated.

Mineral Data
What's on the rock

Precious Opal

Variety Of: 

Opal

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