Phosphogartrellite Mineral Data

Phosphogartrellite Mineral Data +

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General Phosphogartrellite Information

Chemical Formula:

PbCuFe+++(PO4)2(OH,H2O)2

Composition:

Molecular Weight = 551.56 gm

Iron 10.13 % Fe 14.48 % Fe₂O₃

Copper 11.52 % Cu 12.97 % Cu₂O

Phosphorus 11.23 % P 25.74 % P₂O₅

Hydrogen 0.55 % H 4.90 % H₂O

Lead 37.57 % Pb 40.47 % PbO

Oxygen 29.01 % O

______ ______

100.00 % 98.55 % = TOTAL OXIDE

Empirical Formula:

PbCuFe³⁺(PO₄)₂(OH)·(H₂O)

Environment:

In a silicifed barite vein. The phosphate dominant analog of gartrellite.

IMA Status:

Approved IMA 1998 (Dana # Added)

Locality:

Type locality is about 200 meters sourth of Hohenstein, near Reichenbach, Odenwald, Germany. Link to MinDat.org Location Data.

Name Origin:

For the relationship with gartrellite.

Synonym:

IMA1996-035

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Phosphogartrellite Crystallography

Axial Ratios:

a:b:c =0.9623:1:1.3447

Cell Dimensions:

a = 5.32, b = 5.528, c = 7.434, Z = 1; alpha = 67.61°, beta = 69.68°, gamma = 70.65° V = 178.86 Den(Calc)= 5.12

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 4.36(1), 2.885(0.89), 3.25(0.7),

Physical Properties of Phosphogartrellite

Cleavage:

None

Color:

Bright green.

Density:

5.05

Diaphaniety:

Transparent to translucent

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Crystalline - Fine - Occurs as well-formed fine sized crystals.

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Vitreous - Adamantine

Streak:

yellow

Optical Properties of Phosphogartrellite

Gladstone-Dale:

CI meas= 0.035 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.048 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1842,KPDmeas= 0.1868,KC= 0.1935

Optical Data:

Biaxial (-), a=1.9, b=1.93, g=2, bire=0.1000, 2V(Calc)=70, 2V(Meas)=70. Dispersion dispersion not observed.

Calculated Properties of Phosphogartrellite

Electron Density:

r_electron=4.58 gm/cc
note: r_{Phosphogartrellite}=5.05 gm/cc.

Fermion Index

Fermion Index = 0.0853
Boson Index = 0.9147

Photoelectric:

PE_{Phosphogartrellite}= 645.34 barns/electron
U=PE_{Phosphogartrellite} x r_electron=2,954.35 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Phosphogartrellite is Not Radioactive

Phosphogartrellite Classification

Dana Class:

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

(42.2)where (AB)3 (XO4) Zq · x(H2O)

(42.2.5)Dana Group

42.2.5.1 Phosphogartrellite ! PbCuFe(PO4)2(OH,H2O)2 P1 1

Strunz Class:

VII/C.31-80 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 Phosphogartrellite Information

References:

NAME( MinRec) PHYS. PROP.(Min.Mag.,Vol.61,p734,1997) OPTIC PROP.(MinRec)

See Also:

Links to other databases for Phosphogartrellite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas

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Phosphogartrellite

PbCuFe+++(PO4)2(OH,H2O)2
Dana No: 42.2.5.1 Strunz No: VII/C.31-80
Locality:

Notes: