Kleemanite Mineral Data

General Kleemanite Information

Chemical Formula:

ZnAl2(PO4)2(OH)2•3(H2O)

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

Empirical Formula:

ZnAl₂(PO₄)₂(OH)₂•3(H₂O)

Environment:

Manganiferous iron ore.

IMA Status:

Approved IMA 1979

Locality:

Iron Knob, SA, Australia. Link to MinDat.org Location Data.

Name Origin:

Named for Alfred William Kleeman, petrologist, University of Adelaide, SA, Aurtalia.

Name Pronunciation:

Kleemanite + Pronunciation

Kleemanite Crystallography

Axial Ratios:

a:b:c =0.8743:1:1.3569

Cell Dimensions:

a = 6.29, b = 7.194, c = 9.762, Z = 2; beta = 110.2° V = 414.56 Den(Calc)= 3.18

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/I_o): 4.76(1), 3.09(0.8), 9.09(0.6),

Physical Properties of Kleemanite

Color:

Colorless, Brownish yellow.

Density:

2.76

Diaphaneity:

Transparent

Habit:

Fibrous - Crystals made up of fibers.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

2-3 - Gypsum-Calcite

Streak:

white

Optical Properties of Kleemanite

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

Optical Data:

Biaxial (?), a=1.598, g=1.614, bire=0.0160

Pleochroism (x):

colorless.

Pleochroism (y):

colorless.

Pleochroism (z):

colorless.

Calculated Properties of Kleemanite

Electron Density:

Bulk Density (Electron Density)=2.75 gm/cc
note: Specific Gravity of Kleemanite =2.76 gm/cc.

Fermion Index:

Fermion Index = 0.0070013628
Boson Index = 0.9929986372

Photoelectric:

PE_Kleemanite= 9.09 barns/electron
U=PE_Kleemanite x rElectron Density= 25.00 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kleemanite is Not Radioactive

Kleemanite Classification

Dana Class:

42.11.12.02 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.11)where (AB)4 (XO4)3 Zq ï¿½ x(H2O)

(42.11.12)Gatumbaite Group

42.11.12.01 Gatumbaite CaAl2(PO4)2(OH)2•(H2O) P12/m,P 2,Pm Mono

42.11.12.02 Kleemanite ZnAl2(PO4)2(OH)2•3(H2O) P 2, P 2₁, P 2/m or P 2₁/m Mono

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

References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)

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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Print or Cut-and-Paste your Kleemanite Specimen Label here :

Kleemanite

ZnAl2(PO4)2(OH)2•3(H2O)
Dana No: 42.11.12.02 Strunz No: 08.DC.17
Locality:

Notes:

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