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Greifensteinite & Eosphorite

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BCK750320

Greifensteinite & Eosphorite

Rare Mineral

Description Tabs

Description
Locality: 
Estes Quarry, Baldwin, Cumberland County, Maine, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 2.5 × 1.6 cm
Description

You are bidding on a thumbnail with rich clusters of clove brown greifensteinite crystals with eosphorite prisms. Classic material collected by Gene Bearss. 

Mineral Data
What's on the rock

Greifensteinite

Formula: 
Ca2Fe2+5Be4(PO4)6(OH)4·6H2O
Strunz: 
8.DA.10
Hardness: 
0.0
Type Locality: 
Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Eosphorite

Formula: 
(Mn2+,Fe2+)Al(PO4)(OH)2·H2O
Strunz: 
8.DD.20
Crystal System: 
Orthorhombic
Hardness: 
5.0
Streak: 
White
Type Locality: 
Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA

Seller Information

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