Kryzhanovskite Mineral Data + Say KRYZHANOVSKITE

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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 Synonym: Synonym: ICSD 303
  PDF 24-731
 

Kryzhanovskite Image

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Kryzhanovskite

Comments: Brown crystals of kryzhanovskite.
Location: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Waidhaus, Vohenstrau?, 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 - DipyramidalH-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),
Click Here for Large Kryzhanovskite Structure Window Crystal Structure:

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Moore P B , American Mineralogist , 56 (1971) p.1-17, The Fe3(H2O)n(PO4)2 homologous series: Crystal-chemical relationships and, oxidized equivalents

View Additional jPOWD Structure files for Kryzhanovskite
[1]
 

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 Diaphaniety: Diaphaniety: 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
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:

relectron=3.22 gm/cc
note: rKryzhanovskite =3.31 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.006
Boson Index = 0.994
Help on Photoelectric: Photoelectric:

PEKryzhanovskite = 12.34 barns/electron
U=PEKryzhanovskite x relectron= 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: 40.3.2.2 (40)Hydrated Phosphates, etc
  (40.3)where (A++)3 (XO4)2 · x(H2O)
  (40.3.2)Dana Group
 
40.3.2.1 Phosphoferrite (Fe,Mn)3(PO4)2·3(H2O) Pmna 2/m 2/m 2/m
 
40.3.2.2 Kryzhanovskite MnFe2(PO4)2(OH)2·(H2O) Pbna 2/m 2/m 2/m
 
40.3.2.3 Reddingite Mn3(PO4)2·3(H2O) Pbna 2/m 2/m 2/m
 
40.3.2.4 Landesite (Mn,Mg)9Fe3(PO4)8(OH)3·9(H2O) Pmna 2/m 2/m 2/m
 
40.3.2.5 Garyansellite (Mg,Fe)3(PO4)2(OH,O)·1,5(H2O) Pbna 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: VII/C.08-40 VII - Phosphates, Arsenates and Vanadates
  VII/C - Water-bearing phosphates without unfamiliar anions. cations of medium and small size: Be and Mn, Fe, Cu, Zn, Mg
  VII/C.08 - Phosphoferrite - Kryzhanovskite series
 
VII/C.08-10 Phosphoferrite (Fe,Mn)3(PO4)2·3(H2O) Pmna 2/m 2/m 2/m
 
VII/C.08-20 Reddingite Mn3(PO4)2·3(H2O) Pbna 2/m 2/m 2/m
 
VII/C.08-30 Garyansellite (Mg,Fe)3(PO4)2(OH,O)·1,5(H2O) Pbna 2/m 2/m 2/m
 
VII/C.08-40 Kryzhanovskite MnFe2(PO4)2(OH)2·(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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Kryzhanovskite

MnFe+++2(PO4)2(OH)2·(H2O)
Dana No: 40.3.2.2 Strunz No: VII/C.08-40
Locality:

 

Notes:

 

 
   
 
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