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Greifensteinite

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SER712399

Greifensteinite

Description Tabs

Description
Locality: 
Ponte do Piauí Claim, Piauí Valley, Taquaral, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5.5 × 3.9 cm
Description

a large specimen featuring several brown balls of greifensteinite

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