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Hureaulite & Rockbridgeite

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BCK754313

Hureaulite & Rockbridgeite

Robert Whitmore collection5.8
Classic Locality

Description Tabs

Description
Locality: 
Palermo 1 Mine, Grafton County, New Hampshire, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 4.2 × 3.4 cm
Description

You are bidding on a large sample with a few vugs in rockbridgeite hosting sharp, pink crystals of hureaulite with rich crystals of rockbridgeite. Hureaulite is very rare at the Palermo Mine and this is a very good example for the mine. Former Robert Whitmore collection. 

Mineral Data
What's on the rock

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

Rockbridgeite

Formula: 
Fe2+Fe3+4(PO4)3(OH)5
Strunz: 
8.BC.10
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.5
Type Locality: 
Midvale Mine, South Mountain, Midvale, Rockbridge Co., Virginia, USA

Seller Information

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