General Gallobeudantite Information![]() PbGa3[(AsO4),(SO4)]2(OH)6 |
![]() Molecular Weight = 718.80 gm |
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Aluminum 2.25 % Al 4.26 % Al2O3 |
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Zinc 0.91 % Zn 1.13 % ZnO |
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Gallium 14.55 % Ga 19.56 % Ga2O3 |
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Iron 6.22 % Fe 8.89 % Fe2O3 |
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Arsenic 11.47 % As 17.59 % As2O5 |
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Hydrogen 0.83 % H 7.39 % H2O |
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Lead 28.83 % Pb 31.05 % PbO |
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Sulfur 4.01 % S 10.02 % SO3 |
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Oxygen 30.94 % O |
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100.00 % 99.89 % = TOTAL OXIDE |
![]() PbGa1.5Fe3+0.8Al0.6Zn0.1(AsO4)1.1(SO4)0.9(OH)5.9 |
![]() A secondary mineral in vugs of oxidized ore. |
![]() Approved IMA 1996 (Dana # Added) |
![]() Tsumeb, Namibia. Link to MinDat.org Location Data. |
![]() For the relationship to beudantite and the gallium content. |
![]() Gallobeudantite + Pronunciation |
![]() ![]() IMA1994-021 |
| | Search for Gallobeudantite Images
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| | Gallobeudantite Crystallography![]() a:c = 1:2.35709 |
![]() a = 7.225, c = 17.03, Z = 3; V = 769.88 Den(Calc)= 4.65 |
![]() Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m |
![]() By Intensity(I/Io): 3.038(1), 5.85(0.9), 3.59(0.4), |
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| Physical Properties of Gallobeudantite![]() {001} Indistinct |
![]() Pale yellow, Slightly greenish yellow, Cream. |
![]() 4.58 |
![]() Transparent |
![]() Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
![]() Disseminated - Occurs in small, distinct particles dispersed in matrix. |
![]() Rhombohedral Crystals - Occurs as well-formed crystals showing rhobohedral crystals. |
![]() 4 - Fluorite |
![]() Vitreous - Adamantine |
![]() pale yellowish white |
| Optical Properties of Gallobeudantite![]() CI meas= 0.105 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.118 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1627,KPDmeas= 0.1652,KC= 0.1845 Ncalc = 1.85 - 1.86 ![]() Uniaxial (-), e=1.75, w=1.763, bire=0.0130. |
| Calculated Properties of Gallobeudantite![]() Bulk Density (Electron Density)=4.18 gm/cc |
note: Specific Gravity of Gallobeudantite =4.58 gm/cc. ![]() Fermion Index = 0.06 |
Boson Index = 0.94 ![]() PEGallobeudantite = 504.29 barns/electron |
U=PEGallobeudantite x rElectron Density=2,107.21 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Gallobeudantite is Not Radioactive | Gallobeudantite Classification![]() 43.04.01.10 (43)Compound Phosphates, etc. |
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(43.04)(Anhydrous Compound Anions With Hydroxyl or Halogen) |
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(43.04.01)Beudantite Group |
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![]() 08.BL.05 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.B - Phosphates, etc. with Additional Anions, without H2O |
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08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1 |
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| Other Gallobeudantite Information![]() NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.82,p1039,1997) OPTIC PROP.(MinRec) |
![]() Links to other databases for Gallobeudantite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info 13 - WWW-MINCRYST Search for Gallobeudantite using: Visit our Advertisers for Gallobeudantite : A Bijoux Google Search for GallobeudantiteAdam's Minerals Google Search for Gallobeudantite Cape Minerals Google Search for Gallobeudantite Dakota Matrix Minerals Google Search for Gallobeudantite Excalibur Mineral Corp. Google Search for Gallobeudantite Exceptional Minerals Google Search for Gallobeudantite John Betts Fine Minerals Search for Gallobeudantite McDougall Minerals Google Search for Gallobeudantite Mineral News Website Link Rock and Mineral Shows Google Search for Gallobeudantite Weinrich Minerals, Inc. Google Search for Gallobeudantite Ask about Gallobeudantite here : Print or Cut-and-Paste your Gallobeudantite Specimen Label here :
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