Apatite - Wikipedia
网页Apatite is a group of phosphate minerals, usually hydroxyapatite, fluorapatite and chlorapatite, with high concentrations of OH −, F − and Cl − ion, respectively, in the crystal.
Apatite | Properties, Occurrence, Uses - Geology Science
网页2024年7月1日 · Apatite is a mineral that is composed of calcium phosphate, with the chemical formula Ca5(PO4)3(OH,F,Cl). It is a member of the apatite group of minerals, which also includes hydroxylapatite and fluorapatite. Apatite is a relatively common mineral that can occur in a variety of colors, including yellow, green, blue, and purple.
Apatite: Its uses as a mineral and gemstone - Geology.com
网页What is Apatite? Apatite is the name of a group of phosphate minerals with similar chemical compositions and physical properties. They are an important constituent of phosphorite, a rock mined for its phosphorus content and used to make fertilizers, acids, and chemicals.
The apatite Mineral Group - The Mineral and Gemstone Kingdom
网页Apatite describes a group of similar isomorphous hexagonal phosphate minerals. The primary Apatite group includes Fluorapatite, Chlorapatite, and Hydroxylapatite. The extended Apatite supergroup describes additional minerals such as Pyromorphite, Mimetite, and Vanadinite, but these are described individually in this guide.
Apatite | Phosphate, Calcium & Fluoride | Britannica
网页Apatite is a member of a group of structurally related minerals having compositions symbolized A 5 (BO 4) 3 X, in which A is a metal, commonly calcium or lead; B is phosphorus, vanadium, or arsenic; and X is chlorine, fluorine, or hydroxyl. The group contains three series: the apatite, the pyromorphite, and the …
Apatite: Mineral information, data and localities. - mindat.org
网页'Apatite' is a field term for unidentified calcium phosphate members of the apatite group. Most 'apatite' is fluorapatite, whereas hydroxylapatite is much ...
Apatite | Earth Sciences Museum - University of Waterloo
网页Kathy Feick. Apatite was named in 1788 for the Greek word apatite, which means “to deceive”, since apatite has a similar appearance to many other minerals. Apatite is not actually a specific mineral, but rather, is a name for a group of similar isomorphous hexagonal phosphate minerals.
Properties of apatite | Britannica
网页apatite, A member of the phosphate group of minerals, the world’s major source of phosphorus, found as variously coloured, glassy crystals, masses, or nodules. Much of it has a chemical composition approximating Ca 5 (PO 4) 3 (F,Cl,OH).
网页Ca sites. Despite its remarkable utility and its fundamental role in feeding the world’s population, the details of the apatite atomic arrangement are not fully understood. The Ca phosphate apatites. are an anion solid solution (F = fluorapatite; OH = hydroxylapatite; Cl = chlorapatite), and the.
Apatite - Natural Atlas
网页On Wikipedia. Apatite is a group of phosphate minerals, usually referring to hydroxyapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ions, respectively, in the crystal.