Gilmarite Mineral Data

Gilmarite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About

Advertisment
Updated weekly, for the collector, educator, and researcher since 1996. Extensive Inventory of very Rare Minerals. Visa and Mastercard are Welcome

General Gilmarite Information

Help on Chemical Formula: Chemical Formula: Cu3(AsO4)(OH)3
Help on Composition: Composition: Molecular Weight = 380.58 gm
   Copper    50.09 %  Cu   62.70 % CuO
   Arsenic   19.69 %  As   30.20 % As2O5
   Hydrogen   0.79 %  H     7.10 % H2O
   Oxygen    29.43 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu3(AsO4)(OH)3
Help on Environment: Environment: Small geodes in narrow carbonate veins. A triclinic polymorph of clinoclase.
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: Roua deposit, Guillaumes municipality, about 50 km from Nice, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Gilbert Mari (1944-), mineralogist at the University of Nice-Sophia Antipolis, France.
Help on Synonym: Synonym: ICSD 87869
  IMA1996-017
 

Gilmarite Image

Click Here for Larger Gilmarite Image in a New Browser Window Images:
Click Here for Larger Gilmarite Image

Gilmarite

Comments: Scanning electron image of prismatic gilmarite crystals (Eur. J. Mineral, 11:549).
Location: Roua deposit, Guillaumes municipality, about 50 km from Nice, France. Scale: Picture size 80 µm.
© Eur. J. Mineral

Gilmarite Crystallography
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.613(1), 3.39(0.6), 4.58(0.5),2.543(0.4), 2.714(0.4), 2.445(0.3),
Click Here for Large Gilmarite Structure Window Crystal Structure:

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


Sarp H , Cerny R , European Journal of Mineralogy , 11 (1999) p.549-555, Gilmarite, Cu3(AsO4)(OH)3, a new mineral:, its description and crystal structure

 

Physical Properties of Gilmarite

Help on Color: Color: Greenish blue.
 

Optical Properties of Gilmarite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.056 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.034 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1857,KPDmeas= 0.1897,KC= 0.1797
Ncalc = 1.75 - 1.77
 

Calculated Properties of Gilmarite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.04 gm/cc
note: Specific Gravity of Gilmarite =4.29 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001424449
Boson Index = 0.9998575551
Help on Photoelectric: Photoelectric: PEGilmarite = 35.98 barns/electron
U=PEGilmarite x rElectron Density= 145.22 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Gilmarite is Not Radioactive
 

Gilmarite Classification
Help on Dana Class: Dana Class: 41.03.01.02 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.03)where (A B)3 (XO4) Zq
  (41.03.01)Clinoclase Group
 
41.03.01.01 Clinoclase Cu3(AsO4)(OH)3 P 21/a 2/m
 
41.03.01.02 Gilmarite! Cu3(AsO4)(OH)3 P1 1
 
41.03.01.03 Lapeyreite! Cu3O[AsO3(OH)]2•H2O C 2/m 2/m
Help on Strunz Class: Strunz Class: 08.BE.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BE -With only medium-sized cations, (OH, etc.):RO4 > 2:1
 
08.BE.25 Arhbarite Cu2Mg(AsO4)(OH)3 P1 1
 
08.BE.25 Gilmarite! Cu3(AsO4)(OH)3 P1 1
 

Other Gilmarite Information
Help on See Also: See Also: Links to other databases for Gilmarite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

Search for Gilmarite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Gilmarite :

A Bijoux Google Search for Gilmarite
Adam's Minerals Google Search for Gilmarite
Cape Minerals Google Search for Gilmarite
Dakota Matrix Minerals Google Search for Gilmarite
Excalibur Mineral Corp. Google Search for Gilmarite
Exceptional Minerals Google Search for Gilmarite
John Betts Fine Minerals Search for Gilmarite
McDougall Minerals Google Search for Gilmarite
Mineral News Website Link
Rock and Mineral Shows Google Search for Gilmarite
Weinrich Minerals, Inc. Google Search for Gilmarite

Ask about Gilmarite 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 Espaņol

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

Gilmarite

Cu3(AsO4)(OH)3
Dana No: 41.03.01.02 Strunz No: 08.BE.25
Locality:

 

Notes: