fluorapatite

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fluor·ap·a·tite

(flōr-ap'ă-tīt),
A naturally occurring fluorophosphate of calcium.

fluor·ap·a·tite

(flōr-ap'ă-tīt)
A form of hydroxyapatite in which fluoride ions have replaced some of the hydroxyl ions; as a component of teeth, fluorapatite resists acids from plaque-forming bacteria and high carbohydrate intake.
See also: apatite, hydroxyapatite

fluor·ap·a·tite

(flōr-ap'ă-tīt)
Component of teeth, fluorapatite resists acids resulting from plaque-forming bacteria and high carbohydrate intake.
References in periodicals archive ?
Wavellite also forms pale orange epimorphs after large tabular fluorapatite crystals.
Nice yellow wavellite spheres to 1 cm in diameter with fluorapatite crystals on quartz were found in 2002.
In the same room at the Holiday Inn, Matthias Jurgeit was showing some nice specimens from Cerro del Mercado, Durango, Mexico, the source of gemmy yellow fluorapatite crystals. Since 1828 the hematite-infused breccia of Cerro del Mercado has been mined for iron; for decades during the 20th century the apatite crystals were plentiful on the specimen market, becoming much less plentiful after the mine closed in 1975.
Budil also had some beautiful blue fluorapatite crystals on green elbaite from Paraiba, Brazil.
Altered fluorapatite crystals occur at many pegmatites in the district, especially at Nahia where white crystals 30 cm across and 15 cm tall and blue-green 15 x 15-cm crystals were found (Bandy, 1951).
There, he hit one major pocket of octahedral magnetite crystals with very fine fluorapatite crystals perched thereon.