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Matsubaraite
Type Locality
Kotaki River (Kotakigawa), Itoigawa City, Niigata Prefecture, Chubu Region, Honshu Island, Japan
Mineral Data
Sr
4
Ti
5
(Si
2
O
7
)
2
O
8
Strunz:
9.BE.70
Physical Properties
Streak:
white
Hardness:
5.0 - 6.0
