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Neltnerite
Type Locality
Tachgagalt Mine, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco
Mineral Data
CaMn
3+
6
(SiO
4
)O
8
Strunz:
9.AG.05
Physical Properties
Colour:
black
Crystal System:
Tetragonal
Streak:
black
Hardness:
6.0
