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Utahite & Dagenaisite

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JYJ744322

Utahite & Dagenaisite

excellent quality
Analysed

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: 
2.4 × 1.9 × 1.5 cm
Description

Very good utahite in intense blue crystals associated with quetzalcoalite, dagenaisite as greenish-yellow coatings on baryte. 

Analysed specimen, very good and rich for this rare Te species. 

 

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
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