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Proto-anthophyllite
Type Locality
Takase mine, Shingo-takase, Niimi City, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Mineral Data
☐{Mg
2
}{Mg
5
}(Si
8
O
22
)(OH)
2
Strunz:
9.DD.05
Physical Properties
Streak:
white
Hardness:
6.0 - 0.0
Tenacity:
brittle
