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Opal-CT Var Lussatite

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PDM716212

Opal-CT Var Lussatite

Classic Locality

Description Tabs

Description
Locality: 
Puy du Mur Quarry, Mur-sur-Allier, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 4.3 × 3.9 cm
Description

A cavity filled by white spheroidal light blue opal-CT, historically known as “lussatite”, from a Classic French Locality. Fluorescent under UV illumination.

Acquired in 1983. Ex Gerard Vogel specimen.

Mineral Data
What's on the rock

Opal-CT

Variety Of: 

Opal

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

Lussatite

Renamed To: 

Opal-CT

Formula: 
SiO2·nH2O
Hardness: 
0.0
Type Locality: 
Lussat, Puy-de-Dôme, Auvergne, France

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