Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Bermanite & Phosphosiderite

Views:
Watches:
SER132661

Bermanite & Phosphosiderite

Description Tabs

Description
Locality: 
Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda District, Portugal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 1.9 × 1.1 cm
Description

Triphylite matrix with vugs full of violet phosphosiderite balls and a red group of bermanite crystals

Mineral Data
What's on the rock

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