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Laueite Stewartite & Strunzite

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BCK852827

Laueite Stewartite & Strunzite

Rare Mineral

Description Tabs

Description
Locality: 
Fletcher Mine, Groton, Grafton County, New Hampshire, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.3 × 2.2 cm
Description

You are bidding on a small miniature with rich clusters of laueite (this should be analyzed and could be a very good candidate for kummerite) with small clusters of stewartite on strengite and rich sprays of strunzite. A very old sample collected by Robert Whitmore in the 1960s. 

Mineral Data
What's on the rock

Laueite

Formula: 
Mn2+Fe3+2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
Hardness: 
3.0
Streak: 
White
Type Locality: 
Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

Stewartite

Formula: 
Mn2+Fe3+2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
Hardness: 
0.0
Streak: 
White
Type Locality: 
Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala District, San Diego Co., California, USA

Strunzite

Formula: 
Mn2+Fe3+2(PO4)2(OH)2·6H2O
Strunz: 
8.DC.25
Hardness: 
4.0
Streak: 
White
Type Locality: 
Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

Seller Information

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