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Dugganite & Eurekadumpite

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BCK716341

Dugganite & Eurekadumpite

Martin Jensen collection
Rare Mineral

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: 
2.7 × 2.2 × 1.8 cm
Description

You are bidding on a thumbnail sample collected by Martin Jensen in 1993 and analyzed by him. The sample shows tiny, tabular green hexagonal dugganite crystals on matrix with small clusters of eurekadumpite. Dugganite is very rare at the locality. 

Mineral Data
What's on the rock

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

Eurekadumpite

Formula: 
(Cu,Zn)16(TeO3)2(AsO4)3Cl(OH)18 ·7H2O
Hardness: 
2.5 - 3.0
Type Locality: 
Centennial Eureka Mine (Blue Rock), Eureka, Tintic District, East Tintic Mts, Juab Co., Utah, USA

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