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Erythrite Azurite & Tenorite

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RHT685980

Erythrite Azurite & Tenorite

ex collection Helmuth Hatton
Classic Locality

Description Tabs

Description
Locality: 
Silberberg Mountain, Brixlegg, Tyrol, Austria
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2 × 1.2 cm
Description

Pretty rare erythrite specimen friom Brixlegg. With good, purple crystals, some tiny spots of blue azurite and black tenorite.

We had some difficulties with the photos. But it's safe to say, the specimen is much better in nature.

Mineral Data
What's on the rock

Erythrite

Formula: 
Co3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.5 - 2.5
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

Tenorite

Formula: 
CuO
Strunz: 
4.AB.10
Crystal System: 
Monoclinic
Hardness: 
3.5
Streak: 
Black
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy
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