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Dorrite
Type Locality
Durham Ranch, Reno Junction, Campbell Co., Wyoming, USA
Mineral Data
Ca
4
(Mg
3
Fe
3+
9
)O
4
(Si
3
Al
8
Fe
3+
O
36
)
Strunz:
9.DH.40
Physical Properties
Crystal System:
Triclinic
Hardness:
5.5
