{{Infobox mineral | name = Kovdorskite | boxwidth = | boxbgcolor = | image = Kovdorskite-36843.jpg | imagesize = 260px | alt = | caption = | category = Phosphate minerals | formula = Mg<sub>2</sub>PO<sub>4</sub>(OH)·3H<sub>2</sub>O | IMAsymbol = Kov<ref>{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3|pages=291–320|doi=10.1180/mgm.2021.43|bibcode=2021MinM...85..291W|s2cid=235729616|doi-access=free}}</ref> | molweight = | strunz = 8.DC.22 | dana = 43.05.08.01 | system = Monoclinic | class = Prismatic (2/m) <br/><small>(same H-M symbol)</small> | symmetry = ''P2''<sub>1</sub>/n | unit cell = a = 10.35, b = 12.90 <br/>c = 4.73 [Å]; Z = 4 | color = Translucent white to pale blue to bright pink | colour = | habit = Rough prismatic | twinning = | cleavage = | fracture = Conchoidal to uneven | tenacity = | mohs = 4 | luster = Vitreous | streak = | diaphaneity = | gravity = 2.28 (measured), 2.30 (calculated) | polish = | opticalprop = Biaxial (-) | refractive = n<sub>α</sub> = 1.527 n<sub>β</sub> = 1.542 n<sub>γ</sub> = 1.549 | birefringence = δ = 0.022 | pleochroism = | 2V = 80°-82° (measured) | dispersion = ''r'' > ''v'', very weak | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = <ref name=HOM>Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America [http://rruff.info/doclib/hom/kovdorskite.pdf].</ref><ref>Ovchinnikov V E, Soloveva L P, Pudovkina Z V, Kapustin Y L, Belov N V (1980) The crystal structure of kovdorskite Mg2(PO4)(OH)·3(H2O), Doklady Akademii Nauk SSSR, 255, 351-354 [http://rruff.info/uploads/DANS255_351.pdf].</ref><ref name=Mindat/><ref>[http://www.webmineral.com/data/Kovdorskite.shtml#.VTqSVtK6fRY Kovdorskite data on Webmineral]</ref> }} '''Kovdorskite''', Mg<sub>2</sub>PO<sub>4</sub>(OH)·3H<sub>2</sub>O, is a rare, hydrated, magnesium phosphate mineral. It was first described by Kapustin ''et al.'',<ref>Kapustin, Y. L., Bykova, A. V. & Pudovkina, Z. V. (1980). Zap. Vses. Mineral. Ova. 109, 341-347 [http://rruff.info/uploads/ZVMO109N3_341.pdf]</ref> and is found only in the Kovdor Massif near Kovdor, Kola Peninsula, Russia.<ref name=Mindat>[http://www.mindat.org/min-2266.html Kovdorskite on Mindat.org]</ref> It is associated with collinsite, magnesite, dolomite, hydrotalcite, apatite, magnetite, and forsterite.<ref name=HOM />
==References== {{reflist}}
==Further reading== *Subbotin, R. P. L. V. V., & Pakhomovsky, Y. A. (1998). A new type of scandium mineralization in phoscorites and carbonatites of the Kovdor massif, Russia. Canadian Mineralogist 36:971-980. *Yakovenchuk V N, Ivanyuk G Y, Mikhailova Y A, Selivanova E A, Krivovichev S V (2006) Pakhomovskyite, Co3(PO4)2·8H2O, a new mineral species from Kovdor, Kola Peninsula, Russia, The Canadian Mineralogist 44, 117-123
Category:Phosphate minerals Category:Magnesium minerals Category:Monoclinic minerals Category:Minerals in space group 14