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Tangdanite & Azurite

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MEX651616

Tangdanite & Azurite

Rare Mineral

Description Tabs

Description
Locality: 
Villahermosa del Rio, Castellón, Valencian Community, Spain
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.1 × 1.8 cm
Weight: 
14.00gr
Description

Very nice tangdanite specimen. Tangdanite shows the same blueish green blades like tirolite. It is identity with former clinotirolite from this locality.

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

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...