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Chapmanite
Type Locality
Keeley-Frontier Mine (Canadian Keeley; Frontier Mine; Keeley Mine), South Lorrain Township, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
Mineral Data
Fe
3+
2
Sb
3+
(Si
2
O
5
)O
3
(OH)
Strunz:
9.ED.25
Physical Properties
Hardness:
2.5
