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Zincgartrellite & Olivenite

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ESM506468

Zincgartrellite & Olivenite

Type Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.2 × 3.8 × 1.8 cm
Description

Yellow microcrystals of zincgartrellite (XRD confirmed) with olivenite microcrystals

ex Bötzenhardt coll.

Mineral Data
What's on the rock

Zincgartrellite

Formula: 
Pb(Zn,Fe3+,Cu)2(AsO4)2·2(H2O,OH)
Strunz: 
8.CG.20
Crystal System: 
Triclinic
Hardness: 
4.5
Streak: 
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