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Paulkerrite Bermanite & Phosphosiderite

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SKY851539

Paulkerrite Bermanite & Phosphosiderite

Rare Mineral

Description Tabs

Description
Locality: 
7U7 Ranch, Bagdad Mine, Hillside, Yavapai County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.3 × 0.7 cm
Description

Brown paulkerrite microcrystals associated to purple phosphosiderite and almost black bermanite from Arizona.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Paulkerrite

Formula: 
K(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3·15H2O
Strunz: 
8.DH.35
Hardness: 
3.0
Streak: 
White
Type Locality: 
7U7 Ranch (7-U-7 Ranch), Bagdad Mine area, Hillside, Eureka District, Yavapai Co., Arizona, USA

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

Phosphosiderite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.05
Hardness: 
3.5 - 4.0
Type Locality: 
Kalterborn Mine, Eiserfeld, Siegerland, North Rhine-Westphalia, Germany

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