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Phosphosiderite Wicksite & Barbosalite

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BCK203744

Phosphosiderite Wicksite & Barbosalite

Description Tabs

Description
Locality: 
Bull Moose Mine, Custer, Custer County, South Dakota, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.7 × 1 cm
Description

You are bidding on a small specimen with a nice group of prismatic phosphosiderite crystals with tiny green flakes of wicksite and black crystals of barbosalite.

Mineral Data
What's on the rock

Phosphosiderite

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

Wicksite

Formula: 
NaCa2(Fe2+,Mn2+)4MgFe3+(PO4)6·2H2O
Strunz: 
8.CF.05
Hardness: 
4.5 - 5.0
Streak: 
Green
Type Locality: 
Big Fish River, Dawson Mining District, Yukon Territory, Canada

Barbosalite

Formula: 
Fe2+Fe3+2(PO4)2(OH)2
Strunz: 
8.BB.40
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil

Seller Information

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