Jamesite Mineral Data (original) (raw)
General Jamesite Information
Pb2Zn2Fe+++5(AsO4)5O4
Molecular Weight = 1,583.01 gm
Zinc 8.26 % Zn 10.28 % ZnO
Iron 17.64 % Fe 25.22 % Fe2O3
Arsenic 23.66 % As 36.30 % As2O5
Lead 26.18 % Pb 28.20 % PbO
Oxygen 24.26 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Pb2Zn2Fe3+5(AsO4)5O4
Secondary mineral in oxidized lead ore in a dolostone-hosted hydrothermal polymetallic ore deposit.
Approved IMA 1981
Tsumeb, Namibia. Link to MinDat.org Location Data.
Named for Christopher James, one of the first mining engineers at the Tsumeb mine, Namibia.
ICSD 87744
PDF 35-509
Jamesite Image
Jamesite Duftite-beta Comments: Reddish-brown bladed jamesite crystals overgrown with white dolomite and associated with dark green duftite. Location: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia.Scale: See Image. © Rruff Database |
---|
Jamesite Crystallography
a:b:c =0.586:1:1.0715
a = 5.622, b = 9.593, c = 10.279, Z = 1; alpha = 109.8°, beta = 90.54°, gamma = 97.69° V = 516.88 Den(Calc)= 5.09
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
By Intensity(I/Io): 3.4(1), 3.04(0.9), 9.67(0.8),
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
| | Cooper M A , Hawthorne F C , The Canadian Mineralogist , 37 (1999) p.53-60 | | ----------------------------------------------------------------------------- |
Physical Properties of Jamesite
Reddish brown.
5.1
3 - Calcite
Subadamantine
Optical Properties of Jamesite
CI meas= -0.013 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.015 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1948,KPDmeas= 0.1944,KC= 0.192
Ncalc = 1.98
Biaxial (-), a=1.96, b=1.995, g=2.02, bire=0.0600, 2V(Calc)=78, 2V(Meas)=75.
Calculated Properties of Jamesite
Bulk Density (Electron Density)=4.58 gm/cc
note: Specific Gravity of Jamesite =5.10 gm/cc.
Fermion Index = 0.06
Boson Index = 0.94
PEJamesite = 474.52 barns/electron
U=PEJamesite x rElectron Density=2,173.89 barns/cc.
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jamesite is Not Radioactive
Jamesite Classification
41.11.02.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
(41.11)with miscellaneous formulae
(41.11.02)Dana Group
41.11.02.01 Jamesite Pb2Zn2Fe5(AsO4)5O4 P1 1
08.BK.25 08 - PHOSPHATES, ARSENATES, VANADATES
08.B - Phosphates, etc. with Additional Anions, without H2O
08.BK -With medium-sized and large cations, (OH, etc.)
08.BK.25 Jamesite Pb2Zn2Fe5(AsO4)5O4 P1 1
08.BK.25 Lulzacite! Sr2Fe(Fe,Mg)2Al4(PO4)4(OH)10 P1 1
Other Jamesite Information
NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Links to other databases for Jamesite :
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
Search for Jamesite using:
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]
Visit our Advertisers for Jamesite :
A Bijoux Google Search for Jamesite
Adam's Minerals Google Search for Jamesite
Cape Minerals Google Search for Jamesite
Dakota Matrix Minerals Google Search for Jamesite
Excalibur Mineral Corp. Google Search for Jamesite
Exceptional Minerals Google Search for Jamesite
John Betts Fine Minerals Search for Jamesite
McDougall Minerals Google Search for Jamesite
Mineral News Website Link
Rock and Mineral Shows Google Search for Jamesite
Weinrich Minerals, Inc. Google Search for Jamesite
Ask about Jamesite 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 Espa�ol
Print or Cut-and-Paste your Jamesite Specimen Label here :
Jamesite
Pb2Zn2Fe+++5(AsO4)5O4
Dana No: 41.11.02.01 Strunz No: 08.BK.25
Locality:
Notes: