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.

Hydroxyapatite (IMA name: hydroxylapatite[5]) (Hap, HAp, or HA) is a naturally occurring mineral form of calcium apatite with the formula Ca5(PO4)3(OH), often written Ca10(PO4)6(OH)2 to …

2025年1月7日 · Apatite is a group of phosphate minerals that can be classified based on the halide component present in their structure. The main types of apatite are: Chemical …

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). Colloform - Forming from a gel or colloidal mass. Earthy - Dull, clay-like texture …

Crystal size, carbonate content, phase composition, and other parameters change during annealing up to 900 °C in biological minerals with apatite structure. The way these parameters …

2016年1月8日 · The structure of apatites allows large variations of composition given by the generic formula (M10 (XO4)6Z2) including partial or complete substitution of both the cationic …

The apatite supergroup includes minerals with a generic chemical formula IXM12VIIM23 (IVTO4)3X (Z = 2); chemically they can be phosphates, arsenates, vanadates, silicates, and …

2014年11月11日 · Since, apatite (fluorapatite) is the most abundant phosphate mineral, apatite bearing phosphate rocks represents an important source of inorganic phosphorus. First …

Apatite is identified by the chemical formula Ca 5 (PO 4). It forms in hexagonal crystals and is a rock phosphate mineral. Apatite can exist in many different forms, along with other minerals, …

Hydroxylapatite is a mineral with formula of Ca 5 (PO 4) 3 OH. The corresponding IMA (International Mineralogical Association) number is IMA2010 s.p.. The IMA symbol is Hap. The …