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Utahite Cesbronite & Hinsdalite

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BCK714813

Utahite Cesbronite & Hinsdalite

Martin Jensen collection ILLUSTRATED 2.5
Type Locality

Description Tabs

Description
Locality: 
Centennial Eureka Mine, Eureka, Tintic, Juab County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.5 cm
Description

You are bidding on an incredible thumbnail from the Martin Jensen collection. This sample is illustrated in Mineralogical Record V.28 pg.167 for the description article for Utahite and the other rare tellurates at the Centennial Eureka Mine! Martin discovered this rare species and was a co-author for it's description. The sample hosts a beautiful sheath of utahite crystals on matrix with small green clusters of cesbronite crystals, hexagonal yellow plates of hinsdalite and green messy coatings of an undescribed Cu-Te OH mineral. A rare chance to own an illustrated specimen of an extrmely rare species! Martin Jensen specimen MJ2802. 

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

Cesbronite

Formula: 
Cu5(TeO3)2(OH)6·2H2O
Strunz: 
4.JN.15
Hardness: 
3.0
Type Locality: 
Bambollita Mine (Oriental Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico

Hinsdalite

Formula: 
PbAl3(PO4)(SO4)(OH)6
Strunz: 
8.BL.05
Crystal System: 
Trigonal
Hardness: 
4.5
Streak: 
White
Type Locality: 
Golden Fleece Mine, Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA
Labels
Label Images - only: Utahite Cesbronite & Hinsdalite

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