Mineralogy Database

Mitryaevaite Mineral Data

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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 Name Pronunciation: Name Pronunciation: Mitryaevaite + Pronunciation Say MITRYAEVAITE
Help on Synonym: Synonym: IMA1991-035

Mitryaevaite Image

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Comments: Small grain of white mitryaevaite on sample holder.
Location: Northwestern Karatau range, Kazakhstan. Scale: Peg Size 2 mm.
© Sergey Vasiliev / Systematic Mineralogy

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 - Pinacoidal H-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),

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 Diaphaneity: Diaphaneity: 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= -0.012 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2392,KPDmeas= 0.2516,KC= 0.2364
Ncalc = 1.48 - 1.5
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: Bulk Density (Electron Density)=2.19 gm/cc
note: Specific Gravity of Mitryaevaite =2.13 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0004406685
Boson Index = 0.9995593315
Help on Photoelectric: Photoelectric: PEMitryaevaite = 1.29 barns/electron
U=PEMitryaevaite x rElectron Density= 2.82 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)Compound Phosphates, etc.
  (43.05)(Hydrated Compound Anions With Hydroxyl or Halogen)
  (43.05.21)Dana Group 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: 08.DB.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DB -With only medium-sized cations, (OH, etc.):RO4 < 1:1
08.DB.25 Mitryaevaite! Al5[(PO4)2[(P,S)O3(OH,O)]2F2(OH)2(H2O)8•6.48(H2O) P1 1

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 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Dana No: Strunz No: 08.DB.25





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