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| First Page | Document Content | |
|---|---|---|
 Galena group Sulfosalt minerals Selenide minerals Galena Clausthalite Tetrahedrite Chalcopyrite Mineral Ore Sulfide minerals Chemistry Crystallography |
 | Rocks and Minerals of PennsylvaniaDocID: 1r41u - View Document |
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 | General Investor UPDATE October, 2015 Disclaimer and Legal Notice DocID: 1qKF3 - View Document |
 | Page: 1 Slide No. 1 Family of Minerals 1. crystalline structureDocID: 1qDmf - View Document |