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Roscherite & Quartz

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SER202177

Roscherite & Quartz

Description Tabs

Description
Locality: 
Ponte do Piauí Claim, Piauí Valley, Taquaral, Minas Gerais, Brazil
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.6 × 1.6 cm
Description

Numerous brown aggregate of roscherite crystals on quartz and ernstite

Mineral Data
What's on the rock

Roscherite

Formula: 
Ca2Mn2+5Be4(PO4)6(OH)4·6H2O
Strunz: 
8.DA.10
Crystal System: 
Monoclinic Tabular crystals or platy aggregates
Hardness: 
4.5 - 0.0
Streak: 
White
Type Locality: 
Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White