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Richelsdorfite Enargite & Olivenite

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BCK714835

Richelsdorfite Enargite & Olivenite

Martin Jensen collection
Rare Mineral

Description Tabs

Description
Locality: 
Burrus Mine, Pyramid District, Washoe County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.5 × 1.5 cm
Description

You are bidding on a nice thumbnail from the Martin Jensen collection with aggregates of sharp richelsdorfite crystals in small vugs, sometimes growing on corroded enargite. There is also one tiny cluster of olivenite which is rare at the locality. Martin collected this sample in Dec 2009. 

Mineral Data
What's on the rock

Richelsdorfite

Formula: 
Ca2Cu5Sb(AsO4)4(OH)6Cl·6H2O
Strunz: 
8.DK.
Hardness: 
2.0
Type Locality: 
Wilhelm Mine (Wechselschacht), Bauhaus, Richelsdorf District, Hesse, Germany

Enargite

Formula: 
Cu3AsS4
Strunz: 
2.KA.05
Crystal System: 
Orthorhombic
Hardness: 
3.0
Streak: 
Black.
Type Locality: 
San Francisco vein, Morococha District, Yauli Province, Junín Department, Peru

Olivenite

Formula: 
Cu2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

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