Fluorapatite, often with the alternate spelling of fluoroapatite, is a phosphate mineral with the formula Ca5(PO4)3F (calcium fluorophosphate). Fluorapatite...
10 KB (1,041 words) - 19:01, 16 July 2024
Apatite is a group of phosphate minerals, usually hydroxyapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ion, respectively...
31 KB (3,410 words) - 00:43, 7 October 2024
"phosphate rock" with acids ("acidulation"). Using phosphoric acid, fluorapatite is converted to Ca(H2PO4)2: Ca5(PO4)3F + 7 H3PO4 → 5 Ca(H2PO4)2 + HF...
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group. The OH− ion can be replaced by fluoride or chloride, producing fluorapatite or chlorapatite. It crystallizes in the hexagonal crystal system. Pure...
37 KB (3,944 words) - 12:11, 24 October 2024
fluorapatite + 5 H 2 SO 4 + 10 H 2 O ⟶ 5 CaSO 4 ⋅ 2 H 2 O calcium sulfate dihydrate + HF + 3 H 3 PO 4 {\displaystyle {\underset {\text{fluorapatite}}{{\ce...
64 KB (7,136 words) - 17:57, 1 November 2024
exist that are industrially relevant sources of fluorine: fluorite, fluorapatite, and cryolite. Fluorite (CaF2), also called fluorspar, is the main source...
13 KB (1,226 words) - 20:54, 12 October 2024
of sedimentary rocks is less than 0.2%. The phosphate is present as fluorapatite Ca5(PO4)3F typically in cryptocrystalline masses (grain sizes < 1 μm)...
21 KB (2,488 words) - 20:13, 22 October 2024
Metal-ceramics Sintering Leucite Heat-pressing on metal Leucite, leucite & fluorapatite All-ceramics Sintering Leucite Heat-pressing Leucite, lithium disilicate...
15 KB (1,678 words) - 06:05, 19 October 2024
Francolite (redirect from Carbonate-fluorapatite)
Francolite is a carbonate rich variety of the mineral fluorapatite and is present in most sedimentary phosphorites. It has a variable chemical composition...
2 KB (99 words) - 18:34, 1 December 2023
Sunstone Oregon sunstone Rainbow lattice sunstone Fergusonite Ferroaxinite Fluorapatite Fluorapophyllite Fluorite Forsterite Friedelite Gadolinite Gahnite Gahnospinel...
13 KB (867 words) - 01:34, 24 August 2024