apatite

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ap·a·tite

(ap'ă-tīt),
Generic name for a class of minerals with compositions that are variants of the formula D5T3M, where D is a divalent cation, T is a trivalent tetrahedral compound ion, and M is a monovalent anion; calcium phosphate apatites are important mineral constituents of bones and teeth. See: hydroxyapatite.

apatite

[ap′ətīt]
Etymology: Gk, apate, deceit
an inorganic mineral composed of calcium and phosphate that is found in the bones and teeth.

ap·a·tite

(ap'ă-tīt)
A class of naturally occurring crystalline minerals containing calcium and phosphorus; hydroxyapatite is a component of bones and teeth.
See also: fluorapatite, hydroxyapatite

ap·a·tite

(ap'ă-tīt)
Generic name for a class of minerals with compositions that are variants of the formula D5T3M, where D is a divalent cation, T is a trivalent tetrahedral compound ion, and M is a monovalent anion; calcium phosphate apatites are important mineral constituents of bones and teeth.

apatite (ap´ətīt),

n the inorganic mineral substance of teeth and bone. See also carbonate hydroxyapatite.

apatite

1. calcium phosphate; one of the two mineral constituents of bones and teeth.
2. fluorapatite; a naturally occurring rock mineral containing fluorine.

apatite calculi
see apatite urolith.
References in periodicals archive ?
Apatit Techenicacal (Technical) Director Zvonar Andrey Yurievich said: 'The main priorities in production policy of Apatit OJSC are ensuring stable production of apatite ore, optimised production costs and guaranteed security, especially in blasting works.
The squeeze-out and the consolidation of shares in Apatit are seen to be completed in the coming two to three months, the buyer said.
Apatit plans this year to buy loaders, trucks, bulldozers, crushers, and other equipment costing 468M rubles, and intends to invest about $23M in upgrades this year.
Work between the Australian business and PhoAgro began in 2010 following Orica s program designed to introduce emulsion explosives to the Apatit mine.
Based on the agreement reached with Apatit on the apatite concentrate supplies, Acron Group declares a price cap for NPK (16:16:16) at RUB 13,160 per tonne on the same delivery terms.
19% interest in Apatit OJSC, news agency PRIME said, citing documents of the Russian apatite manufacturer.
Phosagro BoD decided to buy out the remaining shares of Apatit.
PHOSAGRO TO START COMPULSORY BUYOUT FOR FULL CONTROL OF APATIT
Today Phosagro (RHOR RX, PHOR LI) has announced that its BoD decided to buy out the remaining shares of Apatit (APAT RU, APATP RU).
20 February 2013 - Russian fertiliser producer PhosAgro OJSC (MCX:PHOR) said Wednesday its management board decided to kick off a compulsory buyout for all remaining shares in Apatit OJSC, after securing over 95% in the apatite manufacturer.
Debt burden is likely to increase in 2012 due to Apatit consolidation.
20 February 2013 a[euro]" Russian fertiliser producer PhosAgro OJSC (MCX:PHOR) said Wednesday its management board decided to kick off a compulsory buyout for all remaining shares in Apatit OJSC, after securing over 95% in the apatite manufacturer.