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Kryzhanovskite Mineral Data

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General Kryzhanovskite Information

Help on Chemical  Formula: Chemical Formula: MnFe+++2(PO4)2(OH)2•(H2O)
Help on Composition: Composition: Molecular Weight = 408.60 gm
   Manganese   13.45 %  Mn   17.36 % MnO
   Iron        27.34 %  Fe   39.08 % Fe2O3
   Phosphorus  15.16 %  P    34.74 % P2O5
   Hydrogen     0.99 %  H     8.82 % H2O
   Oxygen      43.07 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+Fe3+2(PO4)2(OH)2•(H2O)
Help on Environment: Environment: Secondary phosphate mineral in pegmatites. Ferric iron equivalent of phosphoferrite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1950
Help on Locality: Locality: Kolbinsk pegmatite, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Vladimir Ilyitch Kryzhanovsky (1881-1947), curator of the Mineralogical Museum, Russian Academy of Sciences, Moscow.
Help on Name Pronunciation: Name Pronunciation: Kryzhanovskite + Pronunciation Say KRYZHANOVSKITE
Help on Synonym: Synonym: ICSD 303
  PDF 24-731

Kryzhanovskite Image

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Comments: Brown crystals of kryzhanovskite.
Location: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Waidhaus, Vohenstrauß, Oberpfalz, Bavaria, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Kryzhanovskite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9429:1:0.8559
Help on Cell Dimensions: Cell Dimensions: a = 9.404, b = 9.973, c = 8.536, Z = 4; V = 800.56 Den(Calc)= 3.39
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbna
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.156(1), 4.996(0.7), 4.701(0.5),

Physical Properties of Kryzhanovskite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Bronze, Greenish brown, Dark reddish brown, Reddish brown.
Help on Density: Density: 3.31
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: yellowish brown

Optical Properties of Kryzhanovskite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.035 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.058 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2363,KPDmeas= 0.242,KC= 0.2509
Ncalc = 1.83 - 1.85
Help on Optical Data: Optical Data: Biaxial (+), a=1.79, b=1.793-1.794, g=1.82, bire=0.0300, 2V(Calc)=38-44, 2V(Meas)=40-45. Dispersion r << v.
Help on Pleochroism (x): Pleochroism (x): wine yellow.
Help on Pleochroism (y): Pleochroism (y): orangy borwn.
Help on Pleochroism (z): Pleochroism (z): reddish borwn.

Calculated Properties of Kryzhanovskite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.22 gm/cc
note: Specific Gravity of Kryzhanovskite =3.31 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0060033431
Boson Index = 0.9939966569
Help on Photoelectric: Photoelectric: PEKryzhanovskite = 12.34 barns/electron
U=PEKryzhanovskite x rElectron Density= 39.78 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kryzhanovskite is Not Radioactive

Kryzhanovskite Classification

Help on  Dana Class: Dana Class: (40)Hydrated Phosphates, etc
  (40.03)where (A++)3 (XO4)2 � x(H2O)
  (40.03.02)Phosphoferrite Group Phosphoferrite (Fe,Mn)3(PO4)2•3(H2O) Pmna 2/m 2/m 2/m Kryzhanovskite MnFe2(PO4)2(OH)2•(H2O) Pbna 2/m 2/m 2/m Reddingite Mn3(PO4)2•3(H2O) Pbna 2/m 2/m 2/m Landesite (Mn,Mg)9Fe3(PO4)8(OH)3•9(H2O) Pmna 2/m 2/m 2/m Garyansellite (Mg,Fe)3(PO4)2(OH,O)•1,5(H2O) Pbna 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.CC.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CC -With only medium-sized cations, RO4:H2O = 1:1.5
08.CC.05 Garyansellite (Mg,Fe)3(PO4)2(OH,O)•1,5(H2O) Pbna 2/m 2/m 2/m
08.CC.05 Kryzhanovskite MnFe2(PO4)2(OH)2•(H2O) Pbna 2/m 2/m 2/m
08.CC.05 Landesite (Mn,Mg)9Fe3(PO4)8(OH)3•9(H2O) Pmna 2/m 2/m 2/m
08.CC.05 Phosphoferrite (Fe,Mn)3(PO4)2•3(H2O) Pmna 2/m 2/m 2/m
08.CC.05 Reddingite Mn3(PO4)2•3(H2O) Pbna 2/m 2/m 2/m

Other Kryzhanovskite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Kryzhanovskite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 08.CC.05





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