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Hechtsbergite
Year of discovery: 1995 (Hechtsberg quarry, Germany), 2012 (Japan)
Locality list: A locality of hechtsbergite
- Bi2VO4O(OH)
- [Bi3+2][OH|O|VO4]6-
- Color: Brown
- Streak: Yellow
- Luster: Adamantine
- Diaphaneity: Transparent-Translucent
- Cleavage: No
- Hardness: 4.5
- Density: 6.9
- System: Monoclinic
- Group: 2/m, P21/c
- Lattice: a=6.8, b=7.5, c=10.9, β=107.0