phosphate minerals encyclopedia
2021-07-19T16:07:47+00:00
Phosphate mineral Wikipedia
Phosphate minerals include: • Triphylite Li(Fe,Mn)PO4• Monazite (La, Y, Nd, Sm, Gd, Ce,Th)PO4 ,rare earth metals• Hinsdalite PbAl3(PO4)(SO4)(OH)6Phosphate minerals are those minerals that contain the tetrahedrally coordinated phosphate (PO 4 3) anion along with the freely substituting arsenate (AsO 4 3) and vanadate (VO 4 3) Chlorine (Cl ), fluorine (F ), and hydroxide (OH ) anions also fit into the crystal structurePhosphatemineralsPhosphate rock (phosphorite or rock phosphate) contains 15–20% phosphate bearing minerals The phosphorus is present as fluorapatite—Ca 5 (PO 4) 3 F—or as hydroxyapatite (apatite)—Ca 5 (PO 4) 3 OH Another source is dissolved phosphate minerals from igneous and metamorphic rocks Phosphate rock is a nonrenewable resource that takes 10–15 million years to cycle Phosphate Minerals an overview ScienceDirect Topics
Phosphate Mineral an overview ScienceDirect Topics
Phosphate Mineral The most common phosphate minerals are Ca5(PO4)3X (where X can be OH, Cl, or F), apatite, and various hydrated and anhydrous forms of Ca3(PO4)2 From: International Geophysics, 2004 Related terms: Monazite; Phosphorite; Rare Earth Element; pH; Calcium Phosphate; Arsenic; Cadmium; Phosphate; Phosphorus; UraniumPhosphate mineral, any of a group of naturally occurring inorganic salts of phosphoric acid Phosphates can be grouped as: primary phosphates that have crystallized from a liquid; secondary phosphates formed by the alteration of primary phosphates; and rock phosphates formed from phosphorousbearing organic material Phosphate mineral, any of a phosphate mineral Description, Uses, Facts BritannicaPhosphate, mineral A large number of crystalline phosphates contain two or more cations, and many phosphate minerals are mixed metal salts Phosphorus is the eleventh element in order of abundance in crustal rocks of the earth and it occurs there to the extent of 1120 ppm (cf H 1520 ppm, Mn 1060 ppm)Phosphate, mineral Big Chemical Encyclopedia
Phosphateminerals
Encyclopedia; Phosphateminerals; Phosphate minerals Phosphate minerals are those minerals that contain the tetrahedrally coordinated phosphate (PO 4 3) anion along with the freely substituting arsenate (AsO 4 3) and vanadate (VO 4 3) Chlorine (Cl), fluorine (F), and hydroxide (OH) anions also fit into the crystal structure Additional recommended knowledge Phosphate, mineral A large number of crystalline phosphates contain two or more cations, and many phosphate minerals are mixed metal salts Phosphorus is the eleventh element in order of abundance in crustal rocks of the earth and it occurs there to the extent of 1120 ppm (cf H 1520 ppm, Mn 1060 ppm)Phosphate, mineral Big Chemical EncyclopediaMineral Phosphates Those varieties of native calcium phosphate which are not distinctly crystallized, like apatite, but occur in fibrous, compact or earthy masses, often nodular, and more or less impure, are included under the general term phosphorite The name seems to have been given originally to the Spanish phosphorite, probably because it phosphoresced when heated Phosphates Encyclopedia
Phosphate Encyclopedia
18/05/2018 phosphate, salt or ester of phosphoric acid [1], H3PO4 Because phosphoric acid [2] is tribasic (having three replaceable hydrogen atoms), it forms monophosphate, diphosphate, and triphosphate salts in which one, two, or three of The following article is from The Great Soviet Encyclopedia (1979) It might be outdated or ideologically biased Phosphate Ore a natural mineral formation that contains phosphorus and phosphorus compounds in such concentrations that make it technically and economically feasible to process the ore in order to obtain phosphoruscontaining products, such Phosphate Ore Article about Phosphate Ore by The Free 06/12/2012 Phosphate Minerals JO Nriagu, PH Moore Springer Science Business Media, Dec 6, 2012 Science 444 pages 0 Reviews The literature on the geology, chemistry, and biochemistry of phosphorus generally takes its mineralogy for granted The in cidental information on phosphate minerals given in these texts is often obsolescent and Phosphate Minerals Google Books
apatite mineral Encyclopedia Britannica
apatite, any member of a series of phosphate minerals, the world’s major source of phosphorus, found as variously coloured glassy crystals, masses, or nodules If not for its softness (Mohs hardness 5, compared with the 7 to 9 of most gems), apatite would be a popular gemstone; much of the material found is clear, but it is fragile and difficult to cut and polishPhosphate minerals WikiMili, The Free Encyclopedia Phosphate minerals WikiMili, The Free Encyclopedia Phosphate minerals contain the tetrahedrally coordinated phosphate (PO43−) anion along sometimes with arsenate (AsO43−) and vanadate (VO43−) substitutions Chlorine (Cl−), fluorine (F−), and hydroxide (OH−) anions that also fit Get Price Phosphate phosphate minerals encyclopediaMineral Phosphates Encyclopedia Britannica Phosphates Although this mineral class is large (with almost 700 known species), most of its members are quite rare Apatite [Ca 5 (PO 4) 3 (F, Cl, OH)], however, is one of the most important and abundant phosphates Phosphate minerals WikiMili, The Free Encyclopedia The phosphate ion (PO4)3−is an inorganic chemical, the phosphate mineral encyclopedia
Phosphate mineral Wikipedia
Phosphate minerals contain the tetrahedrally coordinated phosphate (PO 4 3−) anion along sometimes with arsenate (AsO 4 3−) and vanadate (VO 4 3−) substitutions, and chloride (Cl −), fluoride (F −), and hydroxide (OH −) anions that also fit into the crystal structure The phosphate class of minerals is a large and diverse group, however, only a few species are relatively Encyclopedia; Phosphateminerals; Phosphate minerals Phosphate minerals are those minerals that contain the tetrahedrally coordinated phosphate (PO 4 3) anion along with the freely substituting arsenate (AsO 4 3) and vanadate (VO 4 3) Chlorine (Cl), fluorine (F), and hydroxide (OH) anions also fit into the crystal structure Additional recommended knowledge PhosphatemineralsKRM Mackey, A Paytan, in Encyclopedia of Microbiology (Third Edition), 2009 Phosphate mineral formation Phosphate mineral formation represents another phosphorus sink that is influenced by microbial activity; however, it encompasses processes other than cellular assimilation and shortterm storage of phosphorus as biological moleculesPhosphate Minerals an overview ScienceDirect Topics
phosphate mineral Description, Uses, Facts Britannica
phosphate mineral, any of a group of naturally occurring inorganic salts of phosphoric acid, H3(PO4) More than 200 species of phosphate minerals are recognized, and structurally they all have isolated (PO4) tetrahedral units Phosphates can be grouped as: (1) primary phosphates that have crystallized from a liquid; (2) secondary phosphates formed by the alteration of Phosphate, mineral A large number of crystalline phosphates contain two or more cations, and many phosphate minerals are mixed metal salts Phosphorus is the eleventh element in order of abundance in crustal rocks of the earth and it occurs there to the extent of 1120 ppm (cf H 1520 ppm, Mn 1060 ppm)Phosphate, mineral Big Chemical EncyclopediaPhosphate minerals display a great compositional variety, as can be seen from those listed in Table 1 Some examples of common phosphate minerals are shown in Fig 1 Phosphates in general are widespread as accessory phases in virtually every known rock type Other mineral groups akin to phosphates, form by the substitution of phosphorus by Phosphate Mineral an overview ScienceDirect Topics
Phosphate Mineral an overview ScienceDirect Topics
David Grossin, in Encyclopedia of Materials: Technical Ceramics and Glasses, 2021 Minerals Several hundred phosphate minerals are known, virtually all of which are orthophosphates The important mineral apatite, ideally Ca 5 (PO 4) 3 X (X=F, Cl, OH), is found in igneous pegmatite rocks and hydrothermal veins Poorly crystalline or amorphous phosphorite sediments made 18/05/2018 phosphate, salt or ester of phosphoric acid [1], H3PO4 Because phosphoric acid [2] is tribasic (having three replaceable hydrogen atoms), it forms monophosphate, diphosphate, and triphosphate salts in which one, two, or three of Phosphate Encyclopedia06/12/2012 Phosphate Minerals JO Nriagu, PH Moore Springer Science Business Media, Dec 6, 2012 Science 444 pages 0 Reviews The literature on the geology, chemistry, and biochemistry of phosphorus generally takes its mineralogy for granted The in cidental information on phosphate minerals given in these texts is often obsolescent and Phosphate Minerals Google Books
phosphate minerals encyclopedia
Phosphate Minerals an overview ScienceDirect Topics JP Attfield, in Encyclopedia of Materials: Science and Technology, 2001 49 Minerals Several hundred phosphate minerals are known, virtually all of which are orthophosphates The important mineral apatite, ideally Ca 5 (PO 4) 3 X (X=F, Cl, OH), is found in igneous pegmatite rocks and hydrothermal veins Poorly