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Tangdanite & Erythrite

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JYJ736165

Tangdanite & Erythrite

Description Tabs

Description
Locality: 
Frauen Adit, Geyerköpfl, Brixlegg - Schwaz Area, North Tyrol, Tyrol, Austria
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 3.6 × 3.2 cm
Description

Beautiful assemblage of green tangdanite, erythrite and azurite. From the Frauen adit, also known as the "Unsere liebe Frau" adit. 

 

Mineral Data
What's on the rock

Tangdanite

Formula: 
Ca2Cu9(AsO4)4(SO4)0.5(OH)9·9H2O
Hardness: 
0.0
Type Locality: 
Tangdan Mine, Dongchuan Cu ore field, Dongchuan District, Kunming Prefecture, Yunnan Province, China

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
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