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Phosphosiderite On Barbosalite

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KSC212513

Phosphosiderite On Barbosalite

Description Tabs

Description
Locality: 
Bull Moose Mine, Custer, Custer County, South Dakota, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 1.5 cm
Largest Crystal: 
0.60cm
Description

Please excuse the expression,but this a killer for the species! This miniature hosts on top of display a lustrous, gem, intense peach orange, doubly terminated, textbook sharp 0.45 cm crystal of phoshposiderite! The matrix is the classic barbosalite aggregate. There is a bigger crystal on the matrix, less beautiful and less exposed, which reaches 0.6 cm across! The two best crystals are undamaged and perfect! Truly impressive for the species!

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

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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