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Mg3(PO4)2

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Journal Article
Journal: Elements
Published: 01 April 2021
Elements (2021) 17 (2): 142.
..., and the Bronze Medal of the Centre National de la Recherche Scientifique. A new mineral, the high-pressure form of Mg3(PO4)2, was named chopinite in his honor. In 2005, Christian Chopin was inducted into the prestigious Leopoldina, which the German National Academy of Science founded in 1652. Finally, in 2012...
Journal Article
Published: 01 April 2003
The Canadian Mineralogist (2003) 41 (2): 393–411.
.... ( 1974 ): Solid solution in the wagnerite structure . Can. Mineral . 12 , 346 – 351 . Berak , J. & Tomczak , I. ( 1965 ) Phase equilibria in the system MgO–P2O5–MgF2. I. The systems: MgO–MgF2, Mg3 (PO4)2–MgF2, MgO–Mg3(PO4)2–MgF2 . Roczniki Chemii (Ann. Soc. Chim. Polonorum) 39...
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Journal Article
Journal: Elements
Published: 01 April 2021
Elements (2021) 17 (2): 141.
... the Buttgenbach Prize of the Royal Academy of Belgium, the Van den Broeck Medal of the Belgian Geological Society, and the Bronze Medal of the Centre National de la Recherche Scientifique. A new mineral, the high-pressure form of Mg3(PO4)2, was named chopinite in his honor. In 2005, Christian Chopin was inducted...
Journal Article
Published: 01 January 2015
Russ. Geol. Geophys. (2015) 56 (1-2): 155–163.
...(9) 0.07221(5) 0.11156(2) 0.00610(15) Mg3 0.25003(8) 0.02842(4) 0.63224(2) 0.00447(14) Na 0.14773(11) 0.20757(6) 0.10527(3) 0.00967(13) O1 0.27129(17) 0.14992(9) 0.69957(5) 0.00614(19) O 2 0.56724(18) 0.00685(9) 0.63779(5) 0.0073(2) O 3 0.91068(17) 0.00191(9...
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Journal Article
Published: 01 March 2001
European Journal of Mineralogy (2001) 13 (2): 319–327.
... on a distorted closest packing of oxygen atoms; the eight independent oxygens form a puckered (001) sheet and the maximum difference between their z coordinates is ∼ 0.8 Å. The layer formed by the edge- and corner-sharing Mgl, Mg3 and Mg4 octahedra can be formally derived from a brucite-like layer, in which 2...
FIGURES
Journal Article
Published: 01 February 2010
American Mineralogist (2010) 95 (2-3): 260–272.
...Edward S. Grew; Martin G. Yates; Rachel J. Beane; Christine Floss; Christopher Gerbi Abstract Orthophosphate, (Mg,Fe,Mn) 3 (PO 4 ) 2 with X Mg = Mg/(Mg+Fe) = 0–0.89 and Mn/Fe = 0.05–0.3 and chladniite-johnsomervilleite, MnNa 8 (Ca 4 Na 4 )(Mg,Fe,Mn) 43 (PO 4 ) 36 with X Mg = 0.44–0.81 and Mn/Fe...
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Journal Article
Published: 01 October 2011
The Canadian Mineralogist (2011) 49 (5): 1211–1220.
...Christian Lipp; Peter C. Burns Abstract In the course of our ongoing study of thorium tantalates, crystals of an unusual thorium borate phosphate, Th 2 [BO 4 ][PO 4 ], were formed by the reaction of thorium(IV) nitrate, phosphorus pentoxide (molar ratio 2:1) and the fluxing agent boron oxide...
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Journal Article
Published: 01 February 2006
The Canadian Mineralogist (2006) 44 (1): 117–123.
...Victor N. Yakovenchuk; Gregory Yu. Ivanyuk; Yulia A. Mikhailova; Ekaterina A. Selivanova; Sergey V. Krivovichev Abstract La pakhomovskyite, Co 3 (PO 4 ) 2 ·8H 2 O, est une nouvelle espèce minérale découverte dans une carbonatite à dolomite recoupant les phoscorites du complexe à minerai de fer...
FIGURES
Journal Article
Published: 01 October 2001
The Canadian Mineralogist (2001) 39 (5): 1317–1324.
...Olga V. Yakubovich; Werner Massa; Ruslan P. Liferovich; Catherine A. McCammon Abstract The crystal structure of barićite, the Mg-dominant analogue of vivianite, (Mg 1.70 Fe 2+ 1.30− x Fe 3+ x )(PO 4 ) 2 (OH) x ·(8− x )H 2 O, a 10.085(2), b 13.390(3), c 4.6713(9) Å, β 104.96(3)°, V 609.4(1) Å 3...
FIGURES
Journal Article
Published: 01 May 2014
American Mineralogist (2014) 99 (5-6): 914–942.
..., Germany . Neues Jahrbuch für Mineralogy Monatshefte , 1995 , 11 – 25 . Vogel R. Evans B.J. ( 1980 ) 57 Fe Mössbauer study of the crystal chemistry of strunzite, MnFe 2 (PO4) 2 (OH) 2 ·6H 2 O . Journal de Physique , C1-297 – 298 . Waerenborgh J.C. Figueiredo M.O. ( 1986...
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Journal Article
Published: 01 February 2004
Mineralogical Magazine (2004) 68 (1): 123–134.
...F. Brunet; D. Morineau; P. Schmid-Beurmann Abstract The heat capacity of synthetic lazulite, MgAl 2 (PO 4 ) 2 (OH) 2 , has been measured between 35 and 298 K by means of low-temperature adiabatic calorimetry. A lazulite third-law entropy ( S 0 298 ) value of 204(3) J K −1 mol −1 was retrieved after...
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Journal Article
Published: 01 March 2007
European Journal of Mineralogy (2007) 19 (2): 229–245.
...Edward S. Grew; Thomas Armbruster; Olaf Medenbach; Martin G. Yates; Christopher J. Carson Abstract Chopinite, the Mg-dominant analogue of sarcopside, is a new mineral corresponding to synthetic Mg 3 (PO 4 ) 2 -II, a high-pressure polymorph of the meteoritic mineral farringtonite. A representative...
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Journal Article
Published: 01 January 2002
Reviews in Mineralogy and Geochemistry (2002) 48 (1): 123–253.
... the ground-state electronic configuration 1 s 2 2 s 2 2 p 6 3 s 2 3 p x 1 3 p y 1 3 p z 1 or [Ne]3 s 2 3 p 3 . There are three orbitals occupied with only one electron each in the third energy level (the M shell). Phosphorus participates in essentially covalent bonds; electron gain...
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Journal Article
Published: 01 January 2003
European Journal of Mineralogy (2003) 15 (1): 127–136.
...Regina SELKE; Peter SCHMID-BEURMANN; Ladislav CEMIČ Abstract Samples of the lazulite-scorzalite, MgAl 2 (PO 4 ) 2 (OH) 2 — FeAl 2 (PO 4 ) 2 (OH) 2 solid-solution were synthesized hydro-thermally at 500°C and 0.3 GPa in compositional steps of 0.125 in x Fe = Fe/(Fe + Mg) and an additional sample...
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Journal Article
Published: 01 August 2014
European Journal of Mineralogy (2014) 26 (4): 553–565.
... and triploidite, which are monoclinic Mg, Fe and Mn phosphates with the formula Me 2+ 2 PO 4 (F,OH), constitute a modulated series based on the average triplite structure. Modulation occurs along b and may be commensurate with (2 b periodicity) or incommensurate but generally close to integer values (~3 b , ~5 b...
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Journal Article
Published: 01 March 2007
European Journal of Mineralogy (2007) 19 (2): 159–172.
...Peter Schmid-Beurmann; Fabrice Brunet; Volker Kahlenberg; Edgar Dachs Abstract The phase MgAlPO 4 O is a thermal decomposition product of the metamorphic phosphate mineral lazulite, MgAl 2 (PO 4 ) (OH) ; its polymorphism and thermochemistry were investigated. The room-temperature β″-polymorph...
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Journal Article
Published: 01 July 2007
European Journal of Mineralogy (2007) 19 (4): 589–592.
... heterosite In the primary olivine-type phosphates of the triphylite-lithiophilite series, the M1-octahedra with site symmetry 1̅ are fully occupied by lithium and the M2-octahedra with site symmetry m by divalent iron and manganese. By oxidation of Fe 2+ and – at high E h -pH conditions also of Mn...
FIGURES
Journal Article
Published: 08 May 2019
Mineralogical Magazine (2019) 83 (5): 655–671.
... a common vertex (O4) forming an As 2 O 7 pyroarsenate (diarsenate) group. The As3 tetrahedron is an AsO 3 OH acid (protonated) arsenate group. Another unusual feature of the chinchorroite structure is an abbreviated chain of five edge-sharing MgO 6 octahedra that includes one Mg1, two Mg2 and two Mg3...
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Journal Article
Published: 01 October 2007
American Mineralogist (2007) 92 (10): 1630–1639.
.../2 1/2 0.022(2) 2.10 H 2 O51 –0.1913(7) 0.3913(3) 0.4357(5) 0.033(3) 0.30 Mg2 0.1429(3) 0.45627(13) –0.1023(2) 0.0119(10) 2.02 O52 0.3438(6) 0.3007(3) –0.0626(5) 0.022(2) 1.80 Mg3 0.3684(3) 0.60454(14) 0.1802(2) 0.0215(12) 2.06 H 2 O53 0.3954(7) 0.2249(3) 0.6036(5...
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Journal Article
Published: 01 August 2010
European Journal of Mineralogy (2010) 22 (4): 595–604.
...Stuart J. Mills; Uwe Kolitsch; Ritsuro Miyawaki; Frédéric Hatert; Glenn Poirier; Anthony R. Kampf; Satoshi Matsubara; Ekkehart Tillmanns Abstract A new lead iron(III) hydrated phosphate, Pb 3 Fe 2 (PO 4 ) 4 (H 2 O), has been synthesised hydrothermally in Teflon-lined stainless steel autoclaves...
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