American Heritage® Dictionary of the English Language, Fourth Edition
- n. A white or light-colored mineral, essentially CaMg(CO3)2, used in fertilizer, as a furnace refractory, and as a construction and ceramic material.
- n. A magnesia-rich sedimentary rock resembling limestone.
Century Dictionary and Cyclopedia
- n. A native carbonate of calcium and magnesium, occurring as a crystallized mineral, and also on a large scale in white granular crystalline rock-masses, and then often called dolomite marble. The proportions of the carbonates vary from 1:1 to 1:3 or 1:5.
- n. A rock consisting essentially of this mineral. It occurs in large masses in various regions, and especially in that of the upper Mississippi, where there are several members of the geological series which are at least two or three hundred feet thick, made up of dolomite in a remarkably pure form.
- n. a stage of the New York series of formations represented by magnesian limestones, constituting a final phase in the Silurian of the Appalachian region. The formation is characterized by its remarkable profusion of merostome crustaceans of the genera Eurypterus, Pterygotus, Eusarcus, etc., and has commonly been known as the Eurypterus beds, corresponding in position to similar fossiliferous beds of Great Britain and the Baltic provinces.
- n. mineralogy A saline evaporite consisting of a mixed calcium and magnesium carbonate, with the chemical formula CaMg(CO3)2; it also exists as the rock dolostone.
GNU Webster's 1913
- n. (Geol. & Min.) A mineral consisting of the carbonate of lime and magnesia in varying proportions. It occurs in distinct crystals, and in extensive beds as a compact limestone, often crystalline granular, either white or clouded. It includes much of the common white marble. Also called
- n. a kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonate
- n. a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer
- From French dolomite, named after French mineralogist and engineer Déodat de Dolomieu (1750–1801) in 1791. (Wiktionary)
- French, after Déodat de Dolomieu (1750-1801), French geologist. (American Heritage® Dictionary of the English Language, Fourth Edition)
“Known as the "Pale Mountains," they boast a chemical composition dubbed dolomite stratified calcium magnesium carbonate, deposited more than 230 million years ago when seawater covered the region.”
“There it will be forced into spaces in a type of limestone called Knox dolomite, which is found beneath much of Kentucky and the region.”
“MgCO3 are referred to as "dolomite" or as dolomitic limestone, and those containing between 5 -20 % MgCO3, as magnesian limestone.”
“Thus the sulphate constitutes the minerals anhydrite, alabaster, gypsum, and selenite; the carbonate occurs dissolved in most natural waters and as the minerals chalk, marble, calcite, aragonite; also in the double carbonates such as dolomite, bromlite, barytocalcite; the fluoride as fluorspar; the fluophosphate constitutes the mineral apatite; while all the more important mineral silicates contain a proportion of this element.”
“Pistorius was born in 1986 in Johannesburg to Sheila and Henke, who works in dolomite mining.”
“About half the material was "non-fibrous" including polystyrene foam, vermiculite mineral, combustion product carbon soot, mineral dust of gypsum, calcite, dolomite and quartz.”
“A protective wall of dolomite and earth – 610 yards (620 meters) long, with an average height of nearly 9 feet (2.7 meters) – has been built in Kolontar to shield the area from further spills of the red sludge, a highly caustic waste produced when making alumina, which is used to make aluminum.”
“Magnesium (to make magnesium chloride) comes from dolomite, the principle ore of magnesium.”
“The Richtersveld national park is an immense expanse of quartz, granite and dolomite-littered moonscape, with crenulated peaks jutting sharply into vast skies.”
These user-created lists contain the word ‘dolomite’.
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From the GNU Webster's 1913:
"n. A massive, compact limestone; a variety of calcite, capable of being polished and used for architectural and ornamental purposes. The color varies from white ...
By David Foster Wallace
"Bite my shiny metal ass."
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