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Lithiophorite (Photo)
Year of discovery: 1870 (Spitzleithe, Germany), 1875 (Japan)
Locality list: 41 localities of lithiophorite
- AlMnO2(OH)2
- (Al,Li)MnO2(OH)2
- [Al3+][Mn4+][(OH)2|O2]6-
- Color: Blue, Black
- Streak: Dark gray
- Luster: Metallic
- Diaphaneity: Opaque
- Aggregate: Dendritic, Earthy
- Cleavage: Perfect on {0001} (1 plane)
- Hardness: 3
- Density: 3.3
- System: Trigonal
- Group: (-3)m, R(-3)m
- Lattice: a=2.9, c=28.2