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Utahite & Xocolatlite

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JYJ815556

Utahite & Xocolatlite

Description Tabs

Description
Locality: 
North Star Mine, Mammoth, Tintic District, Juab County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.5 × 1.1 cm
Description

Intense blue utahite groups on baryte with minor dagenaisite and red xocolatlite. Associated with xocolatlite is svanbergite. 

 

Mineral Data
What's on the rock

Utahite

Formula: 
Cu5Zn3(TeO4)4(OH)8·7H2O
Strunz: 
7.DE.25
Crystal System: 
Triclinic
Hardness: 
4.0 - 5.0
Type Locality: 
Centennial Eureka Mine (Blue Rock), Eureka, Tintic District, East Tintic Mts, Juab Co., Utah, USA

Xocolatlite

Formula: 
Ca2Mn4+2(Te6+O6)2·H2O
Strunz: 
7.DF.85
Hardness: 
2.0 - 3.0
Type Locality: 
Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico