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Rankachite

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SHS136678

Rankachite

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Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.2 × 1.5 cm
Description

Rankachite in matrix

Mineral Data
What's on the rock

Rankachite

Formula: 
Ca0.5(V4+,V5+)(W6+,Fe3+)2O8(OH)·2H2O
Strunz: 
7.GB.25
Crystal System: 
Orthorhombic
Hardness: 
2.5
Type Locality: 
Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany