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Utahite Dagenaisite & Dugganite

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JYJ841231

Utahite Dagenaisite & Dugganite

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: 
2.3 × 1.8 × 1.3 cm
Description

Intense blue utahite in cavities associated with greenish and yellow PXRD confirmed dagenaisite and dugganite. Other minerals associated are quetzalcoatlite and eurekadumpite. 

 

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

Dagenaisite

Formula: 
Zn3Te6+O6
Crystal System: 
Monoclinic
Colour: 
green, light greenish grey
Streak: 
White
Type Locality: 
Gold Chain Mine, Tintic Mining District, Juab Co., Utah, USA

Dugganite

Formula: 
Pb3Zn3(AsO4)2(TeO6)
Strunz: 
8.DL.20
Crystal System: 
Hexagonal
Hardness: 
3.0
Streak: 
White
Type Locality: 
Emerald Mine, Silver Plume Mine (Emerald & Silver Plume Mine group), Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA