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Opal Var Opal-CT

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Opal Var Opal-CT

New Discovery

Description Tabs

Description
Locality: 
Khorixas, Kunene Region, Namibia
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.5 × 1.2 cm
Description

Sea-blue tridymite-cristobalite-opal. Very interesting new find out of a single pocket discovered in 2014 (see Extra-Lapis: Namibia).

None of this material was seen this year in Munich. My last and best specimen.

Mounted on an acryilic base.

Mineral Data
What's on the rock

Opal

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

Opal-CT

Variety Of: 

Opal

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

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