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Magniotriplite

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Formula:
(Mg,Fe2+,Mn2+)2PO4F
Colour:
Reddish-brown.
Lustre:
Vitreous
Hardness:
4
Crystal System:
Monoclinic
Name:
Named in 1951 by Ginzburg et al. for the supposed relation to triplite.
A variety of Wagnerite

A discredited iron- and magnesium-rich structural variety (polytype) of wagnerite.

Originally described from Karasu granite pegmatite, Turkestan Range, Osh Oblast, Kyrgyzstan and Kyrk-Bulak granite pegmatite, Turkestan Range, Osh Oblast, Kyrgyzstan.


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Classification of MagniotripliteHide

Discredited
41.6.1.3

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A2(XO4)Zq
22.1.24

22 : Phosphates, Arsenates or Vanadates with other Anions
1 : Phosphates, arsenates or vanadates with fluoride

Physical Properties of MagniotripliteHide

Vitreous
Colour:
Reddish-brown.
Hardness:

Optical Data of MagniotripliteHide

Type:
Biaxial (+)
RI values:
nα = 1.641 nβ = 1.649 nγ = 1.661
2V:
Measured: 60° , Calculated: 80°
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively weak

Chemical Properties of MagniotripliteHide

Formula:
(Mg,Fe2+,Mn2+)2PO4F

Crystallography of MagniotripliteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 11.92 Å, b = 12.27 Å, c = 9.66 Å
β = 107.18°
Ratio:
a:b:c = 0.971 : 1 : 0.787
Unit Cell V:
1,349.82 ų (Calculated from Unit Cell)

Synonyms of MagniotripliteHide

Other Language Names for MagniotripliteHide

Related Minerals - Dana Grouping (8th Ed.)Hide

41.6.1.1Zwieselite(Fe2+,Mn2+)2(PO4)FMon. 2/m : P21/b
41.6.1.2Triplite(Mn2+,Fe2+)2(PO4)(F,OH)Mon. 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

22.1.1AmblygoniteLiAl(PO4)FTric. 1 : P1
22.1.2LacroixiteNaAl(PO4)FMon. 2/m : B2/b
22.1.3NatrophosphateNa7(PO4)2F · 19H2OIso. m3m (4/m 3 2/m) : Fd3c
22.1.5NacaphiteNa2Ca(PO4)FMon. 2/m : P21/b
22.1.6ArctiteNa2Ca4(PO4)3FTrig. 3m (3 2/m) : R3m
22.1.7NefedoviteNa5Ca4(PO4)4FTric.
22.1.9FluorapatiteCa5(PO4)3FHex. 6/m : P63/m
22.1.10HerderiteCaBePO4(F,OH)Mon. 2/m
22.1.11IsokiteCaMg(PO4)FMon. 2/m : B2/b
22.1.12PanasqueiraiteCaMg(PO4)(OH,F)Mon.
22.1.13BabefphiteBaBePO4(F,OH)Tet.
22.1.14FluelliteAl2(PO4)F2(OH) · 7H2OOrth. mmm (2/m 2/m 2/m) : Fddd
22.1.15MinyuliteKAl2(PO4)2(OH,F) · 4H2OOrth. mm2 : Pba2
22.1.16MoriniteNaCa2Al2(PO4)2(OH)F4 · 2H2OMon. 2/m
22.1.17BøggilditeNa2Sr2Al2PO4F9Mon.
22.1.18FluorstrophiteSrCaSr3(PO4)3FHex. 6/m : P63/m
22.1.19ViitaniemiiteNa(Ca,Mn2+)Al(PO4)(F,OH)3Mon.
22.1.20VäyryneniteMn2+Be(PO4)(OH,F)Mon. 2/m : P21/b
22.1.21MaxwelliteNaFe3+(AsO4)FMon.
22.1.22Wagnerite(Mg,Fe2+)2(PO4)FMon. 2/m : P21/b
22.1.23Triplite(Mn2+,Fe2+)2(PO4)(F,OH)Mon. 2/m
22.1.25Zwieselite(Fe2+,Mn2+)2(PO4)FMon. 2/m : P21/b
22.1.26McauslaniteFe3Al2(PO4)3(PO3OH)F · 18H2OTric.
22.1.27RichelliteCaFe3+2(PO4)2(OH,F)2Amor.
22.1.28SvabiteCa5(AsO4)3FHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
22.1.29TilasiteCaMg(AsO4)FMon. m : Bb
22.1.30Johnbaumite-MCa5(AsO4)3OHMon. 2/m : P21/m
22.1.31DurangiteNaAl(AsO4)FMon. 2/m : B2/b

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for MagniotripliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ginzburg, A. I.; Kruglova, N. A.; Moleva, V. A. (1951): Magnesiotriplite, a new mineral of the triplite group. Doklady Akademii Nauk SSSR: 77: 97-100. (in Russian).
American Mineralogist (1952): 37: 359-360.
Bulletin de la Société française de Minéralogie et de Cristallographie: 104: 677-680.
Ren, L., Grew, E.S., Xiong, M. & Ma, Z. (2003): Wagnerite-Ma5bc, a new polytype of Mg2(PO4)(F,OH), from granulite-facies paragneiss, Larsemann Hills, Prydz Bay, East Antarctica. Canadian Mineralogist 41, 393-411
Chopin, C., Th. Armbruster, A. Baronnet, E.S. Grew (2004): Bulletin de liaison de la Société Francaise de Minéralogie et Crystallographie: 16(2): 33-34.

Internet Links for MagniotripliteHide

Localities for MagniotripliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • South Australia
    • Olary Province
      • Bimbowrie Station
Lottermoser, B.G., and Lu, J. (1997): Mineralogy and Petrology 59, 1-19.
Kyrgyzstan
 
  • Osh Oblast
    • Turkestan Range
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
[DAN-SSSR (1951) 77/1, 97-100; Nickel & Nichols, 1991 - "Mineral Reference Manual", p126]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Spain
 
  • Castile and Leon
    • Salamanca
      • Garcirrey
American Mineralogist 89:110-125 (2004); Encarnación Roda-Robles, Alfonso Pesquera (2007) Locality no. 4: The Phosphates-Rich Cañada Pegmatite (Aldehuela de La Bóveda, Salamanca, Spain) in ALEXANDRE LIMA & ENCARNACIÓN RODA ROBLES ed (2007) GRANITIC PEGMATITES: THE STATE OF THE ART - FIELD TRIP GUIDEBOOK. MEMÓRIAS N. º 9, UNIV. DO PORTO, FACULDADE DE CIÊNCIAS, DEPARTAMENTO DE GEOLOGIA pp 67-72.
  • Catalonia
    • Girona (Gerona)
      • Alt Empordà
        • Cadaqués
Bareche, E. (2005) "Els minerals de Catalunya. Segle XX" Ed. Museu Mollfulleda de Mineralogia - Grup Mineralògic Català, 269 p.
Sweden
 
  • Södermanland
    • Nynäshamn
No reference listed
Mineral and/or Locality  
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