Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Lukrahnite & Olivenite

Views:
Watches:
ESM531908

Lukrahnite & Olivenite

Type Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 2.5 × 1.8 cm
Description

Yellow rounded lukrahnite crystals with dark green olivenite needles

 

Mineral Data
What's on the rock

Lukrahnite

Formula: 
Ca(Cu,Zn)(Fe3+,Zn)(AsO4)2·2(H2O,OH)
Strunz: 
8.CG.20
Hardness: 
5.0
Colour: 
yellow
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

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