Hydroxylapatite

Hydroxylapatite, also called hydroxyapatite (HA), is a naturally occurring mineral form of calcium apatite with the formula Ca5(PO4)3(OH), but is usually written Ca10(PO4)6(OH)2 to denote that the crystal unit cell comprises two entities. Hydroxylapatite is the hydroxyl endmember of the complex apatite group. The OH- ion can be replaced by fluorid...
Found on http://en.wikipedia.org/wiki/Hydroxylapatite

hydroxylapatite

phosphate mineral, calcium hydroxide phosphate [Ca5(PO4)3OH], that forms glassy, often green crystals and masses. It is seldom pure in nature but ... [5 related articles]
Found on http://www.britannica.com/eb/a-z/h/89

hydroxylapatite

Synonym for hydroxyapatite ... <chemistry> The calcium phosphate mineral, Ca10(PO4)6(OH)2, found both in rocks of nonorganic origin and as a component of bone and dentine. Used as column packing for chromatography, particularly for separating double stranded DNA from mixtures containing single stranded DNA. ... (18 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

hydroxylapatite

Type: Term Pronunciation: hī-drok′sil-ap′ă-tīt Synonyms: hydroxyapatite
Found on http://www.medilexicon.com/medicaldictionary.php?t=42086
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