Apatite is a group of phosphate minerals, usually hydroxyapatite, fluorapatite and chlorapatite, with high concentrations of OH−, F− and Cl− ion, respectively...
31 KB (3,402 words) - 13:10, 26 August 2024
Lead apatite is a generic name for apatite-structure materials that contain lead as the divalent cation. A Copper-doped lead-apatite has been proposed...
3 KB (71 words) - 13:53, 26 September 2023
LK-99 (redirect from Copper-doped lead-apatite)
which— compared to pure lead-apatite (Pb10(PO4)6O): 5 — approximately one quarter of Pb(II) ions in position 2 of the apatite structure are replaced by Cu(II)...
82 KB (7,056 words) - 02:26, 27 August 2024
hydroxylapatite) (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 denote...
36 KB (3,775 words) - 02:59, 12 August 2024
Fission track dating (redirect from Apatite fission track)
minerals over a very wide geological range (typically 0.1 Ma to 2000 Ma). Apatite, sphene, zircon, micas and volcanic glass typically contain enough uranium...
11 KB (1,474 words) - 16:32, 9 June 2024
Siilinjärvi carbonatite (redirect from Siilinjärvi apatite mine)
as an open pit. The operation was sold to Yara in 2007. The Siilinjärvi apatite mine is the biggest open pit in Finland. Currently the mine comprises two...
23 KB (3,035 words) - 06:52, 19 May 2024
Bone mineral (redirect from Bone apatite)
Bone mineral (also called inorganic bone phase, bone salt, or bone apatite) is the inorganic component of bone tissue. It gives bones their compressive...
4 KB (378 words) - 12:16, 21 May 2024
scratch the given material. For example, if some material is scratched by apatite but not by fluorite, its hardness on the Mohs scale would be between 4...
16 KB (1,110 words) - 15:43, 30 August 2024
Primary mineralogy is highly variable, but may include natrolite, sodalite, apatite, magnetite, baryte, fluorite, ancylite group minerals, and other rare minerals...
19 KB (2,085 words) - 11:20, 16 June 2024
the country rock. Apatite is by far the main gangue mineral while other gangue minerals are tremolite-actinolite and calcite. Apatite is at places evenly...
20 KB (2,158 words) - 13:08, 29 July 2024
mineral hydroxyapatite. Apatite is a hard, insoluble compound. Acid (H+), produced especially after a high-sugar meal, attacks the apatite: Ca5(PO4)3OH(s) +...
10 KB (947 words) - 21:03, 16 July 2024
Nelsonite is an igneous rock primarily constituted of ilmenite and apatite, with anatase, chlorite, phosphosiderite, talc and/or wavellite appearing as...
7 KB (576 words) - 20:13, 14 April 2024
Citrate is a vital component of bone, helping to regulate the size of apatite crystals. Wikibooks Cookbook has a recipe/module on Citric Acid Because...
36 KB (3,659 words) - 22:42, 10 August 2024
IMA2008-009, 05 Alforsite, 05 Apatite*, 05 Apatite-(CaOH), 05 Apatite-(CaCl), 05 Apatite-(CaF), 05 Apatite-(SrOH), 05 Apatite-(CaOH)-M, Carbonate-fluorapatite...
20 KB (2,249 words) - 21:25, 28 July 2024
fossilised remnants of early sea life; gypsum, anhydrite, fluorite, and apatite are also sources of calcium. The name derives from Latin calx "lime", which...
47 KB (5,901 words) - 03:24, 8 September 2024
occurring impurity in apatite generates hydrogen fluoride as a byproduct during the production of phosphoric acid, as apatite is digested by sulfuric...
10 KB (1,041 words) - 19:01, 16 July 2024
Tsavorite garnet on real matrix of silvery black graphite and a minor blue apatite General Category Nesosilicate Formula (repeating unit) Ca3Al2Si3O12 Crystal...
7 KB (623 words) - 16:19, 24 January 2024
albite, lepidolite, gem tourmaline, beryl, spodumene, amblygonite, topaz, apatite, and fluorite, which may partially replace some of the minerals in the...
29 KB (3,231 words) - 01:42, 31 May 2024
Vanadinite is a mineral belonging to the apatite group of phosphates, with the chemical formula Pb5(VO4)3Cl. It is one of the main industrial ores of...
14 KB (1,319 words) - 23:44, 3 January 2024
v t e Mohs scale of mineral hardness 1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond...
61 KB (5,748 words) - 20:28, 3 September 2024
driest. Reconstruction of tropical sea surface temperature from conodont apatite implies an average value of 30 °C (86 °F) in the Early Devonian. Early...
69 KB (7,558 words) - 05:00, 11 August 2024
Main operations are the mining and processing of mines and processes apatite-nepheline ore from the Khibiny deposit. Products are marketed locally and...
8 KB (588 words) - 14:34, 14 February 2023
Nigel C.; Popov, Leonid E.; Fischer, Woodward W. (1 March 2018). "A paired apatite and calcite clumped isotope thermometry approach to estimating Cambro-Ordovician...
78 KB (7,530 words) - 22:16, 25 August 2024
throughout the canyon. In another 2008 study, Rebecca Flowers reported on apatite (U-Th)/He thermochronometry results suggesting that parts of the Grand...
137 KB (14,030 words) - 02:52, 9 September 2024
phosphate, in a chemical arrangement known as bone mineral, a form of calcium apatite. It is the mineralization that gives bones rigidity. Bone is actively constructed...
76 KB (8,829 words) - 02:50, 18 August 2024
peridot, tourmaline, topaz, garnet, red spinal, pargasite, diopside, sphene, apatite, azurite, rose quartz, and agate. In Swat, pale green to green coloured...
16 KB (1,060 words) - 13:45, 9 June 2024
high ocean acidity and temperature inhibiting its mineralisation into apatite; the abundance of phosphorus in marine environments caused further eutrophication...
231 KB (24,898 words) - 17:27, 30 August 2024
polysaccharides), in which other materials are embedded: chitin in the periostracum; apatite containing calcium phosphate in the primary biomineralized layer; and a...
92 KB (9,378 words) - 20:47, 11 August 2024
v t e Mohs scale of mineral hardness 1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond...
21 KB (2,000 words) - 07:07, 4 September 2024
minerals containing little iron or magnesium, such as wollastonite or apatite, were included in the femic minerals. Cross and his coinvestigators later...
7 KB (736 words) - 17:29, 10 September 2024