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Joelbruggerite Mineral Data
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General Joelbruggerite Information
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 Chemical Formula: |
Pb3Zn3Sb+++++As2O13(OH) |
| Composition: |
Molecular Weight = 1,314.36 gm |
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Zinc 14.93 % Zn 18.58 % ZnO |
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Antimony 9.26 % Sb 12.31 % Sb2O5 |
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Arsenic 11.40 % As 17.49 % As2O5 |
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Hydrogen 0.08 % H 0.69 % H2O |
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Lead 47.29 % Pb 50.94 % PbO |
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Oxygen 17.04 % O |
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______ ______ |
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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 |
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Joelbruggerite Image |
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Images:
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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 |
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Joelbruggerite Crystallography
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| 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 |
| X Ray Diffraction: |
By Intensity(I/Io): 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), |
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Optical Properties of Joelbruggerite
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| Optical Data: |
NCalc= 1.98 - from Gladstone-Dale relationship (KC = 0.1466) where Ncalc=Dcalc*KC+1
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Calculated Properties of Joelbruggerite
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| Electron Density: |
Bulk Density (Electron Density)=5.77 gm/cc
note: Specific Gravity of Joelbruggerite =6.70 gm/cc.
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| Fermion Index: |
Fermion Index = 0.11
Boson Index = 0.89 |
| Photoelectric: |
PEJoelbruggerite = 891.43 barns/electron
U=PEJoelbruggerite x rElectron Density=5,143.90 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Joelbruggerite is Not Radioactive |
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Joelbruggerite Classification
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| Dana Class: |
33.03.05.04 (33)Selenates and Tellurates |
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(33.03)with other anion groups |
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(33.03.05)Pb, Zn Tellurates |
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33.03.05.01 Cheremnykhite Zn3Pb3TeO6(VO4)2 C mmm,C 222,Cm2m,C mm2 Ortho |
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33.03.05.02 Kuksite Pb3Zn3TeO6(PO4)2 C mmm 2/m 2/m 2/m |
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33.03.05.03 Dugganite Pb3Zn3Te(As,V,Si)2(O,OH)14 P 6/mmm 6/m 2/m 2/m |
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33.03.05.04 Joelbruggerite! Pb3Zn3SbAs2O13(OH) P 321 3 2 |
| Strunz Class: |
08.DL.20 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DL -With large and medium-sized cations, (OH, etc.):RO4 = 2:1 |
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08.DL.20 Wallkilldellite Ca4Mn6As4O16(OH)8•18(H2O) P 6/mmc 6/m 2/m 2/m |
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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 |
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08.DL.20 Joelbruggerite! Pb3Zn3SbAs2O13(OH) P 321 3 2 |
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Other Joelbruggerite Information
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| 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 :
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Joelbruggerite
Pb3Zn3Sb+++++As2O13(OH)
Dana No: 33.03.05.04 Strunz No: 08.DL.20
Locality:
Notes:
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