earthy gypsum

  • 1gypsum — /jip seuhm/, n. a very common mineral, hydrated calcium sulfate, CaSO4·2H2O, occurring in crystals and in masses, soft enough to be scratched by the fingernail: used to make plaster of Paris, as an ornamental material, as a fertilizer, etc. [1640 …

    Universalium

  • 2gypsite —    An earthy gypsum (CaSO4·2H2O) variety that contains various quantities (i.e., < 50%) of soil material, silicate clay minerals, and sometimes other salts (e.g. NaCl); found only in arid or semiarid regions as secondary precipitation… …

    Glossary of landform and geologic terms

  • 3gypsite — ˈjipˌsīt noun ( s) Etymology: gypsum + ite : earthy gypsum …

    Useful english dictionary

  • 4Lustre (mineralogy) — Lustre (or luster) is a description of the way light interacts with the surface of a crystal, rock, or mineral. The word lustre traces its origins back to the Latin word lux, meaning light , and generally implies radiance, gloss, or brilliance. A …

    Wikipedia

  • 5Mineral — For other uses, see Mineral (disambiguation). An assortment of minerals. A mineral is a naturally occurring …

    Wikipedia

  • 6Spar (mineralogy) — Spar is a term that is used to refer to a category of crystals that have readily discernible faces. Crystallized, earthy, and some metallic, a spar will easily break into rhomboidal, cubical, or laminated fragments with polished surfaces, but… …

    Wikipedia

  • 7Tofu — For other uses, see Tofu (disambiguation). Tofu A Taiwanese Silken Tofu Salad Chinese name Traditional Chinese …

    Wikipedia

  • 8Amorphous sulphur — Sulphur Sul phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast… …

    The Collaborative International Dictionary of English

  • 9Colias philodice — Sulphur Sul phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast… …

    The Collaborative International Dictionary of English

  • 10Eurymus philodice — Sulphur Sul phur, n. [L., better sulfur: cf. F. soufre.] 1. (Chem.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast… …

    The Collaborative International Dictionary of English