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Greifensteinite Eosphorite & Albite

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SER932476

Greifensteinite Eosphorite & Albite

Description Tabs

Description
Locality: 
Taquaral Seco Mine, Taquaral, Itinga, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.1 × 1.5 cm
Description

some yellow platy greifensteinite crystals in a vug of albite with brown eosphorite

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

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

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Start 27 Feb 18:00
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