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Kleemanite Mineral Data

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General Kleemanite Information

Help on Chemical  Formula: Chemical Formula: ZnAl2(PO4)2(OH)2•3(H2O)
Help on Composition: Composition: Molecular Weight = 397.36 gm
   Aluminum    13.58 %  Al   25.66 % Al2O3
   Zinc        16.46 %  Zn   20.48 % ZnO
   Phosphorus  15.59 %  P    35.72 % P2O5
   Hydrogen     2.03 %  H    18.14 % H2O
   Oxygen      52.34 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: ZnAl2(PO4)2(OH)2•3(H2O)
Help on Environment: Environment: Manganiferous iron ore.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Iron Knob, SA, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Alfred William Kleeman, petrologist, University of Adelaide, SA, Aurtalia.
Help on Name Pronunciation: Name Pronunciation: Kleemanite + Pronunciation Say KLEEMANITE

Kleemanite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8743:1:1.3569
Help on Cell Dimensions: Cell Dimensions: a = 6.29, b = 7.194, c = 9.762, Z = 2; beta = 110.2° V = 414.56 Den(Calc)= 3.18
Help on Crystal System: Crystal System: Monoclinic Space Group: P 2, P 21, P 2/m or P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.76(1), 3.09(0.8), 9.09(0.6),

Physical Properties of Kleemanite

Help on Color: Color: Colorless, Brownish yellow.
Help on Density: Density: 2.76
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Streak: Streak: white

Optical Properties of Kleemanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.033 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.103 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1906,KPDmeas= 0.2196,KC= 0.2125
Ncalc = 1.59 - 1.68
Help on Optical Data: Optical Data: Biaxial (?), a=1.598, g=1.614, bire=0.0160
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.

Calculated Properties of Kleemanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.75 gm/cc
note: Specific Gravity of Kleemanite =2.76 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0070013628
Boson Index = 0.9929986372
Help on Photoelectric: Photoelectric: PEKleemanite = 9.09 barns/electron
U=PEKleemanite x rElectron Density= 25.00 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kleemanite is Not Radioactive

Kleemanite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.11)where (AB)4 (XO4)3 Zq � x(H2O)
  (42.11.12)Gatumbaite Group Gatumbaite CaAl2(PO4)2(OH)2•(H2O) P12/m,P 2,Pm Mono Kleemanite ZnAl2(PO4)2(OH)2•3(H2O) P 2, P 21, P 2/m or P 21/m Mono
Help on  Strunz Class: Strunz Class: 08.DC.17 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
08.DC.17 Kleemanite ZnAl2(PO4)2(OH)2•3(H2O) P 2, P 21, P 2/m or P 21/m Mono

Other Kleemanite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Kleemanite :
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.DC.17





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