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Cobaltkoritnigite
Year of discovery: 1980 (Schwarzenberg district, Germany), 1994 (Japan)
Locality list: A locality of cobaltkoritnigite
- CoHAsO4,H2O
- (Co,Zn)HAsO4,H2O
- [Co2+][HAsO4]2-,H2O
- Co => Zn: Koritnigite
- Co => Cu: Geminite
- Co => Mn: Krautite
- Color: Reddish purple
- Streak: Pale pink
- Luster: Vitreous
- Diaphaneity: Transparent-Translucent
- Cleavage: Perfect on {010} (1 planes), Good on {100} (1 plane)
- Hardness: 2-3
- Density: 3.4
- System: Triclinic
- Group: 2/m, P21/c
- Lattice: a=8.0, b=15.8, c=6.7, α=90.9, β=96.6, γ=90.0