sulfide
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Chalcopyrite CHA 101 Temegami, Ontario
Cloutis, Edward
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Mackinawite Hitura Finland
Dyar, Darby
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Pyrite, Wang sulfate #82
Wang, Alian
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Pyrite, synthetic acid-washed
Schoonen, Martin
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Pyrrhotite PRH 103
Cloutis, Edward
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Sphalerite R164122-1 Dundas, Ontario, Canada
Dyar, Darby
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pyrrhotite, Marty Gilmore
Gilmore, Marty