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Greifensteinite & Moraesite

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SER104736

Greifensteinite & Moraesite

Description Tabs

Description
Locality: 
Ponte do Piauí Claim, Piauí Valley, Taquaral, Minas Gerais, Brazil
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 4.5 × 2.7 cm
Largest Crystal: 
0.20cm
Description

a complete coverage of brown, prismatic, rounded greifensteinite crystals with minor moraesite

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

Moraesite

Formula: 
Be2(PO4)(OH)·4H2O
Strunz: 
8.DA.05
Crystal System: 
Monoclinic
Hardness: 
0.0
Colour: 
White
Type Locality: 
Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil