Joelbruggerite Mineral Data

General Joelbruggerite Information

Chemical Formula:

Pb3Zn3Sb+++++As2O13(OH)

Composition:

Molecular Weight = 1,314.36 gm

Zinc 14.93 % Zn 18.58 % ZnO

Antimony 9.26 % Sb 12.31 % Sb₂O₅

Arsenic 11.40 % As 17.49 % As₂O₅

Hydrogen 0.08 % H 0.69 % H₂O

Lead 47.29 % Pb 50.94 % PbO

Oxygen 17.04 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Pb₃Zn₃Sb(AsO₄)₂O₅(OH)

Environment:

Sb+++++ analogue of dugganite.

IMA Status:

Proposed IMA 2008 (Dana # Added)

Locality:

Black Pine mine, 14.5 km NW of Philipsburg, Granite Co., Montana, USA Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

Synonym:

IMA2008-034

Joelbruggerite Image

Images:

Joelbruggerite Mimetite

Comments: SEM image of a barrel-shaped joëlbruggerite crystal lanced by acicular mimetite. (AmMin, v94:1012).
Location: Black Pine mine, 14.5 km northwest of Philipsburg, Granite County, Montana, USA. Scale: Crystal Size 30 µm across.
© American Mineralogist

Joelbruggerite Crystallography

Axial Ratios:

a:c = 1:0.61712

Cell Dimensions:

a = 8.4803, c = 5.2334, Z = 1; V = 325.94 Den(Calc)= 6.70

Crystal System:

Trigonal - Trapezohedral H-M Symbol (3 2) Space Group: P 3₂1

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

By Intensity(I/I_o): 3.392(1), 3.114(0.9), 2.084(0.33),2.587(0.31), 1.833(0.26), 4.321(0.18), 1.985(0.15), 3.765(0.15),

Optical Properties of Joelbruggerite

Optical Data:

NCalc= 1.98 - from Gladstone-Dale relationship (KC = 0.1466) where Ncalc=Dcalc*KC+1

Calculated Properties of Joelbruggerite

Electron Density:

Bulk Density (Electron Density)=5.77 gm/cc
note: Specific Gravity of Joelbruggerite =6.70 gm/cc.

Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Photoelectric:

PE_{Joelbruggerite}= 891.43 barns/electron
U=PE_{Joelbruggerite} x rElectron Density=5,143.90 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Joelbruggerite is Not Radioactive

Joelbruggerite Classification

Dana Class:

33.03.05.04 (33)Selenates and Tellurates

(33.03)with other anion groups

(33.03.05)Pb, Zn Tellurates

33.03.05.01 Cheremnykhite Zn3Pb3TeO6(VO4)2 C mmm,C 222,Cm2m,C mm2 Ortho

33.03.05.02 Kuksite Pb3Zn3TeO6(PO4)2 C mmm 2/m 2/m 2/m

33.03.05.03 Dugganite Pb3Zn3Te(As,V,Si)2(O,OH)14 P 6/mmm 6/m 2/m 2/m

33.03.05.04 Joelbruggerite! Pb3Zn3SbAs2O13(OH) P 3₂1 3 2

Strunz Class:

08.DL.20 08 - PHOSPHATES, ARSENATES, VANADATES

08.D - Phosphates, etc

08.DL -With large and medium-sized cations, (OH, etc.):RO4 = 2:1

08.DL.20 Wallkilldellite Ca4Mn6As4O16(OH)8•18(H2O) P 6/mmc 6/m 2/m 2/m

08.DL.20 Wallkilldellite-(Fe)! (Ca,Cu)4Fe6[(As,Si)O4]4(OH)8•18(H2O) P 6₃/mmc, P 6₃mc, or P 62c Hex

08.DL.20 Joelbruggerite! Pb3Zn3SbAs2O13(OH) P 3₂1 3 2

Other Joelbruggerite Information

See Also:

Links to other databases for Joelbruggerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Joelbruggerite

Pb3Zn3Sb+++++As2O13(OH)
Dana No: 33.03.05.04 Strunz No: 08.DL.20
Locality:

Notes:

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