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Långbanite
Type Locality
Långban, Filipstad, Värmland, Sweden
Mineral Data
(Mn
2+
,Ca)
4
(Mn
3+
,Fe
3+
)
9
Sb
5+
(SiO
4
)
2
O
16
Strunz:
9.AG.10
Physical Properties
Colour:
black
Streak:
brown
Hardness:
6.5
Tenacity:
brittle
Synonyms
Synonyms:
Langbanite
