Gallobeudantite
A valid IMA mineral species
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About Gallobeudantite
Formula:
PbGa3(AsO4)(SO4)(OH)6
Colour:
Pale yellow, greenish, or cream-colored
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
4.87 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
For gallium and the relationship to beudantite.
Isostructural with:
This page provides mineralogical data about Gallobeudantite.
Unique Identifiers
Mindat ID:
6962
Long-form identifier:
mindat:1:1:6962:1
GUID
(UUID V4):
(UUID V4):
9be36264-17f2-41f9-abe3-f17ec019fac8
IMA Classification of Gallobeudantite
Approved
Approval year:
1994
First published:
1996
Classification of Gallobeudantite
8.BL.05
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Gbdn | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Gallobeudantite
Vitreous
Transparency:
Transparent
Colour:
Pale yellow, greenish, or cream-colored
Streak:
Pale yellow, white
Hardness:
4 on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
Fracture:
Conchoidal
Comment:
Fracture even to conchoidal.
Density:
4.87 g/cm3 (Calculated)
Comment:
Calculated density, in type ref, given as 4.61 in abstract and 4.87 in body of text.
Optical Data of Gallobeudantite
Type:
Uniaxial (-)
RI values:
nω = 1.763 nε = 1.750
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Non-pleochroic
Chemistry of Gallobeudantite
Mindat Formula:
PbGa3(AsO4)(SO4)(OH)6
Crystallography of Gallobeudantite
Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3m
Cell Parameters:
a = 7.225(4) Å, c = 17.03(2) Å
Ratio:
a:c = 1 : 2.357
Unit Cell V:
769.88 ų (Calculated from Unit Cell)
Z:
3
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0005521 | Gallobeudantite | Jambor J L, Owens D R, Grice J D, Feinglos M N (1996) Gallobeudantite, PbGa3[(AsO4),(SO4)]2(OH)6, a new mineral species from Tsumeb, Namibia, and associated new gallium analogues of the alunite - jarosite family The Canadian Mineralogist 34 1305-1315 | 1996 | Tsumeb, Namibia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.038 Å | (100) |
5.85 Å | (90) |
3.59 Å | (40) |
2.271 Å | (40) |
2.851 Å | (30) |
2.513 Å | (30) |
1.948 Å | (30) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47b : [Sulfates and sulfites] | |
47d : [Arsenates, antimonates, selenates, bismuthinates] |
Type Occurrence of Gallobeudantite
General Appearance of Type Material:
Zoned rhombohedra up to 200 µm along an edge.
Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa, 81518; Canadian Geological Survey, Ottawa, Canada.
Geological Setting of Type Material:
In massive Cu-bearing sulfide in deposit rich in gallium.
Associated Minerals at Type Locality:
Reference:
Jambor, J.L., Owens, D.R., Grice, J.D., and Feinglos, M.N. (1996) Gallobeudantite, PbGa3[(AsO4),(SO4)]2(OH)6, a new mineral species from Tsumeb, Namibia, and associated new gallium analogues of the alunite-jarosite family. Canadian Mineralogist, 34, 1305-1315.
Synonyms of Gallobeudantite
Other Language Names for Gallobeudantite
Relationship of Gallobeudantite to other Species
Member of:
Other Members of this group:
Beudantite | PbFe3(AsO4)(SO4)(OH)6 | Trig. 3m (3 2/m) : R3m |
Cloudite | BaFe3+3(PO4)(SO4)(OH)6 | Trig. 3m (3 2/m) : R3m |
Corkite | PbFe3(PO4)(SO4)(OH)6 | Trig. 3m (3 2/m) : R3m |
Hidalgoite | PbAl3(AsO4)(SO4)(OH)6 | Trig. 3m : R3m |
Hinsdalite | PbAl3(PO4)(SO4)(OH)6 | Trig. 3m (3 2/m) : R3m |
Kemmlitzite | SrAl3(AsO4)(SO4)(OH)6 | Trig. 3m (3 2/m) : R3m |
Oberwolfachite | SrFe3+3(AsO4)(SO4)(OH)6 | Trig. 3m (3 2/m) : R3m |
Svanbergite | SrAl3(PO4)(SO4)(OH)6 | Trig. 3m (3 2/m) : R3m |
UM2011-07-POSO:AlBaH | BaAl3(PO4)(SO4)(OH)6 | |
Unnamed (Fe-analogue of Weilerite and Ba-analogue of Oberwolfachite) | BaFe3(AsO4)(SO4)(OH)6 | |
Weilerite | BaAl3(AsO4)(SO4)(OH)6 | Hex. |
Woodhouseite | CaAl3(PO4)(SO4)(OH)6 | Trig. 3m (3 2/m) : R3m |
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Gallobeudantite associated with Cerussite | PbCO3 |
1 photo of Gallobeudantite associated with Niedermayrite | CdCu4(SO4)2(OH)6 · 4H2O |
Related Minerals - Strunz-mindat Grouping
8.BL. | Graulichite-(La) | LaFe3+3(AsO4)2(OH)6 |
8.BL. | Oberwolfachite | SrFe3+3(AsO4)(SO4)(OH)6 |
8.BL. | Kiryuite | NaMnAl(PO4)F3 |
8.BL. | Cloudite | BaFe3+3(PO4)(SO4)(OH)6 |
8.BL.05 | Beudantite | PbFe3(AsO4)(SO4)(OH)6 |
8.BL.05 | Corkite | PbFe3(PO4)(SO4)(OH)6 |
8.BL.05 | Hidalgoite | PbAl3(AsO4)(SO4)(OH)6 |
8.BL.05 | Hinsdalite | PbAl3(PO4)(SO4)(OH)6 |
8.BL.05 | Kemmlitzite | SrAl3(AsO4)(SO4)(OH)6 |
8.BL.05 | Svanbergite | SrAl3(PO4)(SO4)(OH)6 |
8.BL.05 | Weilerite | BaAl3(AsO4)(SO4)(OH)6 |
8.BL.05 | Woodhouseite | CaAl3(PO4)(SO4)(OH)6 |
8.BL.05 | UM2011-07-POSO:AlBaH | BaAl3(PO4)(SO4)(OH)6 |
8.BL.10 | Arsenogoyazite | SrAl3(AsO4)(AsO3OH)(OH)6 |
8.BL.10 | Arsenogorceixite | BaAl3(AsO4)(AsO3OH)(OH)6 |
8.BL.10 | Arsenocrandallite | CaAl3(AsO4)(AsO3OH)(OH)6 |
8.BL.10 | Benauite | SrFe3+3(PO4)(PO3OH)(OH)6 |
8.BL.10 | Crandallite | CaAl3(PO4)(PO3OH)(OH)6 |
8.BL.10 | Dussertite | BaFe3+3(AsO4)(AsO3OH)(OH)6 |
8.BL.10 | Eylettersite | Th0.75Al3(PO4)2(OH)6 |
8.BL.10 | Gorceixite | BaAl3(PO4)(PO3OH)(OH)6 |
8.BL.10 | Goyazite | SrAl3(PO4)(PO3OH)(OH)6 |
8.BL.10 | Kintoreite | PbFe3(PO4)(PO3OH)(OH)6 |
8.BL.10 | Philipsbornite | PbAl3(AsO4)(AsO3OH)(OH)6 |
8.BL.10 | Plumbogummite | PbAl3(PO4)(PO3OH)(OH)6 |
8.BL.10 | Segnitite | PbFe3+3AsO4(AsO3OH)(OH)6 |
8.BL.10 va | Viséite | |
8.BL.10 | Springcreekite | BaV3+3(PO4)2(OH,H2O)6 |
8.BL.10 | Galloplumbogummite | Pb(Ga,Al,Ge)3(PO4)2(OH)6 |
8.BL.13 | Arsenoflorencite-(La) | LaAl3(AsO4)2(OH)6 |
8.BL.13 | Arsenoflorencite-(Nd) | NdAl3(AsO4)2(OH)6 |
8.BL.13 | Arsenoflorencite-(Ce) | CeAl3(AsO4)2(OH)6 |
8.BL.13 | Florencite-(Ce) | CeAl3(PO4)2(OH)6 |
8.BL.13 | Florencite-(La) | LaAl3(PO4)2(OH)6 |
8.BL.13 | Florencite-(Nd) | NdAl3(PO4)2(OH)6 |
8.BL.13 | Waylandite | BiAl3(PO4)2(OH)6 |
8.BL.13 | Zaïrite | BiFe3+3(PO4)2(OH)6 |
8.BL.13 | Arsenowaylandite | BiAl3(AsO4)2(OH)6 |
8.BL.13 | Graulichite-(Ce) | CeFe3+3(AsO4)2(OH)6 |
8.BL.13 | Florencite-(Sm) | SmAl3(PO4)2(OH)6 |
8.BL.13 | Unnamed (As-analogue of Zaïrite) | (Bi,Pb)Fe3+3(AsO4)2(OH)6 |
8.BL.15 | Viitaniemiite | Na(Ca,Mn2+)Al(PO4)(F,OH)3 |
8.BL.25 | Pattersonite | PbFe3+3(PO4)2(OH)5 · H2O |
Fluorescence of Gallobeudantite
Nonfluorescent
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Gallobeudantite
mindat.org URL:
https://www.mindat.org/min-6962.html
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References for Gallobeudantite
Localities for Gallobeudantite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Namibia (TL) | |
| Jambor et al. (1996) |
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Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia