Mineralogy Database

Gartrellite Mineral Data

Search Webmineral :

General Gartrellite Information

Help on Chemical  Formula: Chemical Formula: Pb(Cu,Fe++)2(AsO4,SO4)2(CO3,H2O)0.7
Help on Composition: Composition: Molecular Weight = 620.46 gm
   Iron       4.50 %  Fe    5.79 % FeO
   Copper    15.36 %  Cu   19.23 % CuO
   Arsenic   18.11 %  As   27.78 % As2O5
   Hydrogen   0.06 %  H     0.58 % H2O
   Lead      33.39 %  Pb   35.97 % PbO
   Carbon     0.97 %  C     3.55 % CO2
   Sulfur     2.58 %  S     6.45 % SO3
   Oxygen    25.01 %  O
            ______        ______ 
            100.00 %       99.36 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbCu1.5Fe2+0.5(AsO4)1.5(SO4)0.5(CO3)0.5(H2O)0.2
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Ashburton Downs, Western Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Blair Gartrell (1950-1995), Australian collector who found the mineral.
Help on Name Pronunciation: Name Pronunciation: Gartrellite + Pronunciation Say GARTRELLITE
Help on Synonym: Synonym: ICSD 76618
  PDF 46-1306

Gartrellite Image

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


Comments: Lime green gartrellite on matrix associated with mimetite. Former Martín Oliete Fontela collection.
Location: Tsumeb mine, Tsumeb, Namibia. Scale: 6x4x3 cm.
© Fabre Minerals

Gartrellite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9658:1:1.3424
Help on Cell Dimensions: Cell Dimensions: a = 5.46, b = 5.653, c = 7.589, Z = 1; alpha = 67.68°, beta = 69.27°, gamma = 70.04° V = 190.49 Den(Calc)= 5.41
Help on Crystal System: Crystal System: Triclinic Space Group: P1,P 1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.948(1), 2.899(0.81), 2.503(0.66),

Physical Properties of Gartrellite

Help on Color: Color: Greenish yellow, Yellow.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Friable - The crumbly disintegration of earthy materials or highly fractured minerals.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: yellow

Optical Properties of Gartrellite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.205 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1896,KC= 0.1573
Ncalc = 1.82
Help on Optical Data: Optical Data: Biaxial (+), a=1.94, b=1.98, g=2.06, bire=0.1200, 2V(Calc)=74, 2V(Meas)=78.

Calculated Properties of Gartrellite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.68 gm/cc
note: Specific Gravity of Gartrellite =5.24 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.07
Boson Index = 0.93
Help on Photoelectric: Photoelectric: PEGartrellite = 596.16 barns/electron
U=PEGartrellite x rElectron Density=2,789.29 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Gartrellite is Not Radioactive

Gartrellite Classification

Help on  Dana Class: Dana Class: (43)Compound Phosphates, etc.
  (43.02)(Anhydrous Normal Compound Anions)
  (43.02.02)Gartrellite Group Gartrellite Pb(Cu,Fe)2(AsO4,SO4)2(CO3,H2O)0.7 P1,P 1 Tri Zincgartrellite! Pb(Zn,Fe,Cu)2(AsO4)2(OH,H2O)2 P1 1 Lukrahnite! Ca(Cu,Zn)(Fe,Zn)(AsO4)2(OH,H2O)2 P1 1
Help on  Strunz Class: Strunz Class: 08.CG.20 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CG -With large and medium-sized cations, RO4:H2O = 1:1
08.CG.20 Gartrellite Pb(Cu,Fe)2(AsO4,SO4)2(CO3,H2O)0.7 P1,P 1 Tri
08.CG.20 Helmutwinklerite PbZn2(AsO4)2•2(H2O) P1 1
08.CG.20 Phosphogartrellite! PbCuFe(PO4)2(OH,H2O)2 P1 1
08.CG.20 Zincgartrellite! Pb(Zn,Fe,Cu)2(AsO4)2(OH,H2O)2 P1 1
08.CG.20 Rappoldite! Pb(Co,Ni,Zn,)2(AsO4)2•2(H2O) P1 1
08.CG.20 Lukrahnite! Ca(Cu,Zn)(Fe,Zn)(AsO4)2(OH,H2O)2 P1 1

Other Gartrellite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.75,p932,1990) OPTIC PROP.(Am.Min.,Vol.75,p932,1990)
Help on See Also: See Also: Links to other databases for Gartrellite :
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 Gartrellite using:

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

Visit our Advertisers for Gartrellite :

Ask about Gartrellite 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 Gartrellite Specimen Label here :


Dana No: Strunz No: 08.CG.20





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.