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Greigite
Type Locality
Four Corners No. 3; 4 & 5 wells, Kramer-Four Corners area, San Bernardino Co., California, USA
Mineral Data
Fe
2+
Fe
3+
2
S
4
Strunz:
2.DA.05
Physical Properties
Crystal System:
Isometric
Streak:
black
Hardness:
4.0 - 4.5
