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Ferrilotharmeyerite & Olivenite

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JYJ733869

Ferrilotharmeyerite & Olivenite

SEM-EDS confirmed sample no 2019-07-16

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.1 × 0.6 cm
Description

SEM-EDS  (2019-07-16) & Raman (2019-07-18) confirmed sample hosting yellow ferrilotharmeyerite and green olivenite. 

Analysis attached. 

 

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

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
Analysis
Analysis Report - only: Ferrilotharmeyerite & Olivenite