Origin of gypsumMiddle English from Classical Latin from Classical Greek gypsos, chalk, gypsum from Semitic
a very soft, monoclinic mineral, CaSO2HO, commonly found with other evaporites in sedimentary rock and used to make plaster of Paris and cement; hydrous calcium sulfate
A widespread colorless, white, or yellowish mineral, CaSO4 · 2H2O, used in the manufacture of plaster of Paris, various plaster products, and fertilizers.
Origin of gypsumMiddle English gipsum from Latin gypsum from Greek gupsos probably of Semitic origin Arabic jibs, ji&slowdot;&slowdot;, ja&slowdot;&slowdot; from Akkadian ga&slowdot;&slowdot;u
From Latin gypsum, from Ancient Greek γύψος (gupsos).
- Some iron ore, gypsum, salt and limestone are also produced.
- Copper pyrites (copper), galena (lead), blende (zinc), cinnabar (mercury), &c. Of the sulphates we notice gypsum and anhydrite (calcium), barytes (barium) and kieserite (magnesium).
- As quarried or mined free sulphur is always contaminated with limestone, gypsum, clay, &c.; the principle underlying its extraction from these impurities is one of simple liquation, i.e.
- Salt, lime and gypsum are abundant.
- The state contains deposits of iron, gypsum, marl, phosphate, lignite, ochre, glass-sand, tripoli, fuller's earth, limestones and sandstones; and there are small gas flows in the Yazoo Delta.