Gartrellite Mineral Data +

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General Gartrellite Information
Chemical Formula:	Pb(Cu,Fe++)2(AsO4,SO4)2(CO3,H2O)0.7
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
Empirical Formula:	PbCu1.5Fe2+0.5(AsO4)1.5(SO4)0.5(CO3)0.5(H2O)0.2
IMA Status:	Approved IMA 1989
Locality:	Ashburton Downs, Western Australia. Link to MinDat.org Location Data.
Name Origin:	Named for Blair Gartrell (1950-1995), Australian collector who found the mineral.
Synonym:	ICSD 76618
	PDF 46-1306
Gartrellite Image
Images:	Gartrellite Comments: Lime green gartrellite on matrix associated with mimetite. Former Mart?n Oliete Fontela collection. Location: Tsumeb mine, Tsumeb, Namibia. Scale: 6x4x3 cm. © Fabre Minerals
Gartrellite Crystallography
Axial Ratios:	a:b:c =0.9658:1:1.3424
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
Crystal System:	TriclinicSpace Group: P1,P 1
X Ray Diffraction:	By Intensity(I/Io): 2.948(1), 2.899(0.81), 2.503(0.66),
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	Krause W , Belendorff K , Bernhardt H J , McCammon C A , Effenberger H , Mikenda W , European Journal of Mineralogy , 10 (1998) p.179-206, Crystal chemistry of the tsumcorite-group minerals. New data on ferrilotharmeyerite,, tsumcorite, thometzekite, mounanaite, helmutwinklerite, and a redefinition of gartrellite
Physical Properties of Gartrellite
Color:	Greenish yellow, Yellow.
Diaphaniety:	Transparent
Fracture:	Friable - The crumbly disintegration of earthy materials or highly fractured minerals.
Habit:	Encrustations - Forms crust-like aggregates on matrix.
Hardness:	1-2 - Between Talc and Gypsum
Luster:	Earthy (Dull)
Streak:	yellow
Optical Properties of Gartrellite
Gladstone-Dale:	CI calc= -0.167 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1836,KC= 0.1573
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
Electron Density:	relectron=4.83 gm/cc note: rGartrellite =5.41 gm/cc.
Fermion Index	Fermion Index = 0.07517 Boson Index = 0.92483
Photoelectric:	PEGartrellite = 596.16 barns/electron U=PEGartrellite x relectron=2,879.78 barns/cc.
Radioactivity:	GRapi = 0 (Gamma Ray American Petroleum Institute Units) Gartrellite is Not Radioactive
Gartrellite Classification
Dana Class:	43.2.2.1 (43)Compound Phosphates, etc.
	(43.2)(Anhydrous Normal Compound Anions)
	(43.2.2)Dana Group
	43.2.2.1 Gartrellite Pb(Cu,Fe)2(AsO4,SO4)2(CO3,H2O)0.7 P1,P 1 Tri
	43.2.2.2 Zincgartrellite! Pb(Zn,Fe,Cu)2(AsO4)2(OH,H2O)2 P1 1
	43.2.2.3 Lukrahnite! Ca(Cu,Zn)(Fe,Zn)(AsO4)2(OH,H2O)2 P1 1
Strunz Class:	VII/C.31-90 VII - Phosphates, Arsenates and Vanadates
	VII/C - Water-bearing phosphates without unfamiliar anions, cations of medium and big size: Fe, Mn, Zn, Mg and Ca, (NH4)1+
	VII/C.31 - Mawbyite - Gartrellite series
	VII/C.31-02 Schneebergite! Bi(Co,Ni)2(AsO4)2(OH,H2O)2 C 2/m 2/m
	VII/C.31-04 Nickelschneebergite! Bi(Ni,Co)2(AsO4)2(OH,H2O)2 C 2/m 2/m
	VII/C.31-05 Mawbyite Pb(FeZn)2(AsO4)2(OH,H2O)2 C 2/m 2/m
	VII/C.31-06 Cabalzarite! Ca(Mg,Al,Fe)2(AsO4)2(H2O,OH)2 C 2/m 2/m
	VII/C.31-08 Nickellotharmeyerite! Ca(Ni,Fe,Co)2(AsO4)2(OH,H2O)2 C 2/m 2/m
	VII/C.31-10 Ferrilotharmeyerite Ca(Zn,Cu)(Fe,Zn)(AsO4)2(OH,H2O)2 C 2/m 2/m
	VII/C.31-20 Lotharmeyerite CaZnMn(AsO3OH)4(OH)3 C 2/m,C 2,Cm Mono
	VII/C.31-30 Manganlotharmeyerite! Ca(Mn,Mg,)2(AsO4)2(OH,H2O)2 C 2/m 2/m
	VII/C.31-35 Cobaltlotharmeyerite! Ca(Co,Fe,Ni)2(AsO4)2(OH,H2O)2 C 2/m 2/m
	VII/C.31-36 Cobalttsumcorite! Pb(Co,Fe)2(AsO4)2(OH,H2O)2 C 2/m 2/m
	VII/C.31-40 Thometzekite Pb(Cu,Zn)2(AsO4)2·2(H2O) C 2/m 2/m
	VII/C.31-50 Tsumcorite PbZnFe(AsO4)2·(H2O) C 2/m 2/m
	VII/C.31-74 Krettnichite! PbMn2(VO4)2(OH)2 C 2/m 2/m
	VII/C.31-78 Lukrahnite! Ca(Cu,Zn)(Fe,Zn)(AsO4)2(OH,H2O)2 P1 1
	VII/C.31-80 Phosphogartrellite! PbCuFe(PO4)2(OH,H2O)2 P1 1
	VII/C.31-90 Gartrellite Pb(Cu,Fe)2(AsO4,SO4)2(CO3,H2O)0.7 P1,P 1 Tri
	VII/C.31-92 Zincgartrellite! Pb(Zn,Fe,Cu)2(AsO4)2(OH,H2O)2 P1 1
	VII/C.31-98 Rappoldite! Pb(Co,Ni,Zn,)2(AsO4)2·2(H2O) P1 1
	VII/C.31-100 Helmutwinklerite PbZn2(AsO4)2·2(H2O) P1 1
Other Gartrellite Information
References:	NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.75,p932,1990) OPTIC PROP.(Am.Min.,Vol.75,p932,1990)
See Also:	Links to other databases for Gartrellite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Gartrellite using:   Web webmineral.com [ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO] Visit our Advertisers for Gartrellite : AA Mineral Specimens B & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Gartrellite Mineral Data : 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 Español Print or Cut-and-Paste your Gartrellite Specimen Label here : Gartrellite Pb(Cu,Fe++)2(AsO4,SO4)2(CO3,H2O)0.7 Dana No: 43.2.2.1 Strunz No: VII/C.31-90 Locality:   Notes: