Definition of calcareous spar. Meaning of calcareous spar. Synonyms of calcareous spar

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Definition of calcareous spar

Calcareous spar
Calcareous Cal*ca"re*ous, a. [L. calcarius pertaining to lime. See Calx.] Partaking of the nature of calcite or calcium carbonate; consisting of, or containing, calcium carbonate or carbonate of lime. Calcareous spar. See as Calcite.
calcareous spar
Calcite Cal"cite (k[a^]l"s[imac]t), n. [L. calx, calcis, lime.] (Min.) Calcium carbonate, or carbonate of lime. It is rhombohedral in its crystallization, and thus distinguished from aragonite. It includes common limestone, chalk, and marble. Called also calc-spar and calcareous spar. Note: Argentine is a pearly lamellar variety; aphrite is foliated or chalklike; dogtooth spar, a form in acute rhombohedral or scalenohedral crystals; calc-sinter and calc-tufa are lose or porous varieties formed in caverns or wet grounds from calcareous deposits; agaric mineral is a soft, white friable variety of similar origin; stalaclite and stalagmite are varieties formed from the drillings in caverns. Iceland spar is a transparent variety, exhibiting the strong double refraction of the species, and hence is called doubly refracting spar.

Meaning of calcareous spar from wikipedia

- variety called "Iceland spar" is used for optical purposes. Acute scalenohedral crystals are sometimes referred to as "dogtooth spar" while the rhombohedral...
- sandstone that, at times, has been used in building construction. Mica and calcareous spar often accompany these sandstone beds.[citation needed] Due to the volcanic...
- The most important non-metallic materials are: quartz, calcareous spar (calcite), heavy spar (baryte) and fluorspar (fluorite). Mining in the Freiberg...
- history, crystallography. HaĆ¼y was examining a broken specimen of calcareous spar in the collection of Jacques de France de Croisset. (According to some...
- the island of Ceylon, modern day Sri Lanka, was found imbedded in calcareous spar, and accompanied by pyrite and micas. The crystals were located in...
- ac****ulate over time in natural caves. Speleothems most commonly form in calcareous caves due to carbonate dissolution reactions. They can take a variety...
- Sang, Observations and experiments on the fluid in the cavities of calcareous spar, Proceedings of the Royal Society of Edinburgh 8, 1875, 126-130 link...
- Materials containing much calcium carbonate or resembling it are described as calcareous. Calcium carbonate is the active ingredient in agricultural lime and is...
- flowstone and others, which are derived from the lime, mortar or other calcareous material in concrete, outside of the "cave" environment, can not be classified...
- material onto the floor of a cave (or a void). However the difference from calcareous stalagmites is that the transport of siliceous material occurs in the...