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Strunzite Bermanite & Hureaulite

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SER659348

Strunzite Bermanite & Hureaulite

Description Tabs

Description
Locality: 
Cigana (Jocão), Galiléia, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 3.6 × 2.5 cm
Description

Several vugs are opened in this item, featuring golden needles of strunzite, pink large hureaulite crystals and several, also large bermanite  crystals

Mineral Data
What's on the rock

Strunzite

Formula: 
Mn2+Fe3+2(PO4)2(OH)2·6H2O
Strunz: 
8.DC.25
Hardness: 
4.0
Streak: 
White
Type Locality: 
Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

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

Hureaulite

Formula: 
(Mn,Fe)5(PO4)2(HPO4)2·4H2O
Strunz: 
8.CB.10
Hardness: 
5.0
Type Locality: 
Les Hureaux, Saint-Sylvestre, Haute-Vienne, Limousin, France