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Ferrilotharmeyerite & Cuprian Adamite

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SKY906999

Ferrilotharmeyerite & Cuprian Adamite

Type Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.7 × 0.7 cm
Description

Outstanding yellow crystals of  the rare mineral ferri lotharmeyerite associated to green sharp cuproadamite crystals from the famous Tsumeb mine in Namibia. 

Specimen from the 44 level of the mine.

Ferrilotharmeyerite was labeled as RRR in the Tsumeb Gebhard book (Extremely rare, single occurrence with lkes sthan 10 specimens known)

Ex Vandenbroucke Museum collection from Waregem, Belgium.

 

Mineral Data
What's on the rock

Ferrilotharmeyerite

Formula: 
Ca(Fe3+,Zn)2(AsO4)2·2(OH,H2O)
Strunz: 
8.CG.15
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Cuprian Adamite

Variety Of: 

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Hardness: 
3.5
Formula: 
(Zn,Cu)2AsO4OH
Hardness: 
0.0

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