Kleemanite Mineral Data

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.

Search for Kleemanite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

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:

MonoclinicSpace 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

Diaphaniety:

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

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:

r_electron=2.75 gm/cc
note: r_Kleemanite=2.76 gm/cc.

Fermion Index

Fermion Index = 0.007
Boson Index = 0.993

Photoelectric:

PE_Kleemanite= 9.09 barns/electron
U=PE_Kleemanite x r_electron= 25.00 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Kleemanite is Not Radioactive

Kleemanite Classification

Dana Class:

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

(42.11)where (AB)4 (XO4)3 Zq · x(H2O)

(42.11.12)Dana Group

42.11.12.1 Gatumbaite CaAl2(PO4)2(OH)2·(H2O) P12/m,P 2,Pm Mono

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

Strunz Class:

VII/D.08-10 VII - Phosphates, Arsenates and Vanadates

VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe

VII/D.08 - Arthurite group

VII/D.08-10 Kleemanite ZnAl2(PO4)2(OH)2·3(H2O) P 2, P 2₁, P 2/m or P 2₁/m Mono

VII/D.08-20 Whitmoreite FeFe2(PO4)2(OH)2·4(H2O) P 2₁/c 2/m

VII/D.08-30 Earlshannonite (Mn,Fe)Fe2(PO4)2(OH)2·4(H2O) P 2₁/c 2/m

VII/D.08-40 Arthurite CuFe2(AsO4,PO4,SO4)2(O,OH)2·4(H2O) P 2₁/c 2/m

VII/D.08-45 Cobaltarthurite! CoFe2(AsO4)2(OH)2·4(H2O) P 2₁/c 2/m

VII/D.08-50 Ojuelaite ZnFe2(AsO4)2(OH)2·4(H2O) P 2₁/c 2/m

VII/D.08-60 Mapimite Zn2Fe3(AsO4)3(OH)4·10(H2O) Cm m

Other Kleemanite Information

References:

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

Search for Kleemanite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Kleemanite :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Kleemanite Mineral Data :

Ask about Kleemanite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Kleemanite

ZnAl2(PO4)2(OH)2·3(H2O)
Dana No: 42.11.12.2 Strunz No: VII/D.08-10
Locality:

Notes: