Definitions Found:
mineral, mercuric sulfide, HgS, occurring in red crystals or masses: the principal ore of mercury
- cinnabarmineral, mercuric sulfide, HgS, occurring in red crystals or masses: the principal ore of mercury
- galenacommon, heavy mineral, lead sulfide, PbS, occurring in lead-gray crystals, usually cubes, and cleavable masses: the principal ore of lead
- galenascommon, heavy mineral, lead sulfide, PbS, occurring in lead-gray crystals, usually cubes, and cleavable masses: the principal ore of lead
- galenitecommon, heavy mineral, lead sulfide, PbS, occurring in lead-gray crystals, usually cubes, and cleavable masses: the principal ore of lead
- hematitevery common mineral, iron oxide, Fe2O3, occurring in steel-gray to black crystals and in red earthy masses: the principal ore of iron
- cupritemineral, cuprous oxide, Cu2O, occurring in red crystals and brown to black granular masses: an ore of copper
- cupritesmineral, cuprous oxide, Cu2O, occurring in red crystals and brown to black granular masses: an ore of copper
- baritescommon mineral, barium sulfate, BaSO4, occurring in white, yellow, or colorless tabular crystals: the principal ore of barium
- barytescommon mineral, barium sulfate, BaSO4, occurring in white, yellow, or colorless tabular crystals: the principal ore of barium
- baritecommon mineral, barium sulfate, BaSO4, occurring in white, yellow, or colorless tabular crystals: the principal ore of barium
- sylvitecommon mineral, potassium chloride, KCl, colorless to milky-white or red, occurring in crystals, usually cubes, and masses with cubic cleavage, bitter in taste: the most important source of potassium
- sylvinecommon mineral, potassium chloride, KCl, colorless to milky-white or red, occurring in crystals, usually cubes, and masses with cubic cleavage, bitter in taste: the most important source of potassium
- sylvinscommon mineral, potassium chloride, KCl, colorless to milky-white or red, occurring in crystals, usually cubes, and masses with cubic cleavage, bitter in taste: the most important source of potassium
- sylvinescommon mineral, potassium chloride, KCl, colorless to milky-white or red, occurring in crystals, usually cubes, and masses with cubic cleavage, bitter in taste: the most important source of potassium
- sylvincommon mineral, potassium chloride, KCl, colorless to milky-white or red, occurring in crystals, usually cubes, and masses with cubic cleavage, bitter in taste: the most important source of potassium