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Ankinovichite Mineral Data

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General Ankinovichite Information

Help on Chemical  Formula: Chemical Formula: (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5
Help on Composition: Composition: Molecular Weight = 602.70 gm
   Aluminum  17.91 %  Al   33.83 % Al2O3
   Vanadium  15.89 %  V    23.38 % V2O3
   Zinc       1.84 %  Zn    2.30 % ZnO
   Iron       0.09 %  Fe    0.12 % FeO
   Copper     0.21 %  Cu    0.26 % CuO
   Silicon    0.28 %  Si    0.60 % SiO2
   Nickel     6.62 %  Ni    8.43 % NiO
   Hydrogen   2.92 %  H    26.09 % H2O
   Oxygen    54.23 %  O
            ______        ______ 
            100.00 %       95.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ni0.68Zn0.17Fe2+0.01Cu0.02Al4Si0.06VO31.88(OH)12.12�2.67(H2O)
Help on Environment: Environment: In vanadium-bearing schists.. Ni-dominant analogue of alvanite; structure determined.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Kara-Tau ridge at Kurumsk, 15 km south-southeast of Aksumbe, Kazakhstan and (2) Kara-Chagyr mountain, on the east side of the Isfairamsai river, near Valakish, 6 km south of Uch-Kurgon Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Ekaterina Alexandrovina Ankinovich (1911-1991) and her husband Stepan Gerasimovitch Ankinovich (1912-1985). Russian mineralogist and geologist.
Help on Synonym: Synonym: IMA2002-063

Ankinovichite Image

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Comments: Aggregates of pale green thin pseudohexagonal plates of ankinovichite on matrix.
Location: Kara-Chagyr Mountain, Fergana, Fergana Valley, Osh Oblast, Kyrgyzstan. Scale: See Image.
© Rruff Database

Ankinovichite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =3.4765:1:1.7307
Help on Cell Dimensions: Cell Dimensions: a = 17.8098, b = 5.1228, c = 8.8665, Z = 2; beta = 92.141° V = 808.38 Den(Calc)= 2.48
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.83(1)(101), 8.89(1)(200), 1.481(0.8)(653),1.904(0.7)(621), 1.605(0.5)(623), 3.266(0.5)(501), 1.98(0.4)(820), 3.354(0.4)(012),

Physical Properties of Ankinovichite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Colorless, White, Light green, Light blue.
Help on Density: Density: 2.48
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Ankinovichite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.12 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.12 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2737,KPDmeas= 0.2737,KC= 0.2444
Ncalc = 1.61
Help on Optical Data: Optical Data: Biaxial (+), a=1.653, b=1.677, g=1.706, bire=0.0530, 2V(Calc)=86, 2V(Meas)=86. Dispersion r < v strong.

Calculated Properties of Ankinovichite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.49 gm/cc
note: Specific Gravity of Ankinovichite =2.48 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0023166298
Boson Index = 0.9976833702
Help on Photoelectric: Photoelectric: PEAnkinovichite = 7.10 barns/electron
U=PEAnkinovichite x rElectron Density= 17.64 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ankinovichite is Not Radioactive

Ankinovichite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.13)Dana Type
  (42.13.13)Alvanite Group Alvanite (Zn,Ni)Al4(VO3)2(OH)12•2(H2O) P 21/n 2/m Ankinovichite! (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5 P 21/n 2/m
Help on  Strunz Class: Strunz Class: 08.FE.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.F - Polyphosphates, Polyarsenates, [4]-Polyvanadates
  08.FE -Ino-[4]-vanadates
08.FE.05 Alvanite (Zn,Ni)Al4(VO3)2(OH)12•2(H2O) P 21/n 2/m
08.FE.05 Ankinovichite! (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5 P 21/n 2/m

Other Ankinovichite Information

Help on References: References: NAME( CanMin, 42:1903) PHYS. PROP.(CanMin, 42:1903) OPTIC PROP.(CanMin, 42:1903)
Help on See Also: See Also: Links to other databases for Ankinovichite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 08.FE.05





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