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Messelite Hureaulite & Childrenite

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SYM693881

Messelite Hureaulite & Childrenite

Rare Mineral

Description Tabs

Description
Locality: 
Palermo 1 Mine, Grafton County, New Hampshire, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.9 × 0.4 cm
Description

Whtite rosette of messilite with hureaulite attached to childrenite on siderite. There are serveral crystals of hureaulite on childrenite on the specimen. Visual I.D.

Mineral Data
What's on the rock

Messelite

Formula: 
Ca2(Fe2+,Mn2+)(PO4)2·2H2O
Strunz: 
8.CG.05
Hardness: 
3.5
Streak: 
White
Type Locality: 
Messel Mine, Messel, Darmstadt, Hesse, Germany

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

Childrenite

Formula: 
(Fe2+,Mn2+)Al(PO4)(OH)2·H2O
Strunz: 
8.DD.20
Hardness: 
5.0
Streak: 
White
Type Locality: 
Tavistock District, Devon, England, UK