Mitryaevaite Mineral Data + Say MITRYAEVAITE

General Mitryaevaite Information

Help on Chemical  Formula: Chemical Formula: Al5[(PO4)2[(P,S)O3(OH,O)]2F2(OH)2(H2O)8·6.48(H2O)
Help on Composition: Composition: Molecular Weight = 850.59 gm
   Aluminum    15.86 %  Al   29.97 % Al2O3
   Phosphorus  12.75 %  P    29.20 % P2O5
   Hydrogen     3.91 %  H    34.95 % H2O
   Sulfur       1.88 %  S
   Oxygen      61.13 %  O
   Fluorine     4.47 %  F     4.47 % F
                 -   %  F    -1.88 % -O=F2
              ______        ______ 
              100.00 %       96.70 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al5(PO4)2(PO3OH)1.5(SO3OH)0.5F2(OH)2(H2O)8·6.5(H2O)
Help on Environment: Environment: In vanadium-bearing black shales in a Cambrian carbonaceous chert formation.
Help on IMA Status: IMA Status: Approved IMA 1997 (Dana # Added)
Help on Locality: Locality: Northwestern Karatau Range and Zhabagly Mountains, southern Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Dr. Nonna Mikhailovna Mitryaeva (1920-) in recognition of her contributions to the mineralogy of Kazakhstan.
Help on Synonym: Synonym: IMA1991-035
 

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Mitryaevaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6831:1:1.0166
Help on Cell Dimensions: Cell Dimensions: a = 6.918, b = 10.127, c = 10.296, Z = 1; alpha = 77.036°, beta = 73.989°, gamma = 76.272° V = 656.37 Den(Calc)= 2.15
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.75(1), 6.35(0.3), 9.24(0.2),
Click Here for Large Mitryaevaite Structure Window Crystal Structure:

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Cahill C L , Krivovichev S V , Burns P C , Bekenova G K , Shabanova T A , The Canadian Mineralogist , 39 (2001) p.179-186, The crystal structure of mitryaevaite, Al5(PO4)2[(P,S)O3(OH,O)]2F2(OH)2(H2O)8*6.48H2O,, determined from a microcrystal using synchrotron radiation

 

Physical Properties of Mitryaevaite

Help on Cleavage: Cleavage: [001] Perfect, [010] Perfect, [100] Good
Help on Color: Color: Colorless, White.
Help on Density: Density: 2.02 - 2.03, Average = 2.02
Help on Diaphaniety: Diaphaniety: Transparent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Nodular - Tuberose forms having irregular protuberances over the surface.
Help on Habit: Habit: Pulverulent - Forms a loose, poorly-coherent powdery mass.
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Mitryaevaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.064 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.237,KPDmeas= 0.2516,KC= 0.2364
Help on Optical Data: Optical Data: Biaxial (+), a=1.504, g=1.515, bire=0.0110
 

Calculated Properties of Mitryaevaite

Help on Electron Density: Electron Density:

relectron=2.21 gm/cc
note: rMitryaevaite =2.15 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00044
Boson Index = 0.99956
Help on Photoelectric: Photoelectric:

PEMitryaevaite = 1.29 barns/electron
U=PEMitryaevaite x relectron= 2.84 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Mitryaevaite is Not Radioactive

 

Mitryaevaite Classification

Help on  Dana Class: Dana Class: 43.5.21.1 (43)Compound Phosphates, etc.
  (43.5)(Hydrated Compound Anions With Hydroxyl or Halogen)
  (43.5.21)Dana Group
 
43.5.21.1 Mitryaevaite ! Al5[(PO4)2[(P,S)O3(OH,O)]2F2(OH)2(H2O)8·6.48(H2O) P1 1
Help on  Strunz Class: Strunz Class: VII/D.12-03 VII - Phosphates, Arsenates and Vanadates
  VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe
  VII/D.12 - Sasaite - Kribergite ? Series
 
VII/D.12-03 Mitryaevaite Al5[(PO4)2[(P,S)O3(OH,O)]2F2(OH)2(H2O)8·6.48(H2O) P1 1
 
VII/D.12-05 Sasaite (Al,Fe)14(PO4)11(SO4)(OH)7·84(H2O) P 222 or Pmm2 or P mmm Ortho
 
VII/D.12-10 Vashegyite Al11(PO4)9(OH)6·38(H2O)orAl6(PO4)5(OH)3·23(H2O) Pna2 or P na21 mm2
 
VII/D.12-20 Vantasselite Al4(PO4)3(OH)3·9(H2O) Pma2,P 21am,Pmam Ortho
 
VII/D.12-30 Sanjuanite Al2(PO4)(SO4)(OH)·9(H2O) P1 or P1 Tri
 
VII/D.12-40 Kribergite Al5(PO4)3(SO4)(OH)4·4(H2O) P1 or P1 Tri
 

Other Mitryaevaite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Am.Min.,V84,p1994-1999,V86, p 1115) OPTIC PROP.(Am.Min.,Vol.84,p194,1999)
Help on See Also: See Also: Links to other databases for Mitryaevaite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas

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Mitryaevaite

Al5[(PO4)2[(P,S)O3(OH,O)]2F2(OH)2(H2O)8·6.48(H2O)
Dana No: 43.5.21.1 Strunz No: VII/D.12-03
Locality:

 

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