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Sailaufite

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JYJ204440

Description Tabs

Description
Locality: 
Sailauf, Lower Franconia, Bavaria, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.6 × 1.8 cm
Description

Dozens of dark black sailaufite aggregates richly distributed between aggregates of calcite.

Mineral Data
What's on the rock

Sailaufite

Formula: 
(Ca,Na,☐)2Mn3+3(AsO4)2(CO3)O2·3H2O
Strunz: 
8.DH.30
Hardness: 
4.0 - 0.0
Streak: 
Brown
Type Locality: 
Fuchs Quarry, Hartkoppe, Sailauf, Hösbach, Spessart, Franconia, Bavaria, Germany