| 1. | Ore minerals were galena, sphalerite, calcite, and marcasite.
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| 2. | Ore minerals include pyrite, chalcopyrite, sphalerite and galena.
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| 3. | Hydrothermal ore minerals typically form from high temperature aqueous solutions.
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| 4. | Rairangpur is surrounded by hills which are rich in iron ore mineral.
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| 5. | Secondary ore minerals from the Sherman mine are popular with mineral collectors.
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| 6. | Ore minerals are coffinite, uraninite, and uranium-bearing apatite.
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| 7. | The ore minerals are gold and silver tellurides, with accessory fluorite.
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| 8. | Ore minerals are fluorite, galena, and sphalerite.
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| 9. | The principal ore minerals were chalcocite and native copper.
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| 10. | Ore minerals included cerargyrite, native silver, polybasite, and argentiferous galena.
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