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Triplite Bermanite & Strengite

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JYJ915559

Triplite Bermanite & Strengite

Description Tabs

Description
Locality: 
Rubikon Mine, Okongava Ost Farm 72, Karibib, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4 × 3 cm
Description

Irregular orange-brown triplite associated with dark brown bermanite micro-crystals and purple strengite on matrix. SEM-EDS & Raman confirmed. 

 

Mineral Data
What's on the rock

Triplite

Formula: 
(Mn2+,Fe2+)2(PO4)(F,OH)
Strunz: 
8.BB.10
Hardness: 
5.0 - 5.5
Type Locality: 
Chanteloube, Razès, Haute-Vienne, Limousin, France

Bermanite

Formula: 
Mn2+Mn3+2(PO4)2(OH)2·4H2O
Strunz: 
8.DC.20
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
7U7 Ranch (7-U-7 Ranch), Bagdad Mine area, Hillside, Eureka District, Yavapai Co., Arizona, USA

Strengite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.10
Hardness: 
3.5 - 4.0
Streak: 
white
Type Locality: 
Eleonore Mine, Rodheim-Bieber, Wetzlar, Hesse, Germany