Galloplumbogummite
A valid IMA mineral species
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About Galloplumbogummite
Formula:
Pb(Ga,Al,Ge)3(PO4)2(OH)6
Also given as Pb(Ga,Al)3-xGexH1-x(PO4)2(OH)6 for 0 <= x <= 1.
Colour:
Colourless to frosted white
Specific Gravity:
4.62 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
Named for its chemistry and its structural relation to plumbogummite.
The mineral was discovered in a sample bequeathed to the Mineralogical Museum Hamburg by Prof. Dr. Hermann Rose (1883–1976).
The mineral was discovered in a sample bequeathed to the Mineralogical Museum Hamburg by Prof. Dr. Hermann Rose (1883–1976).
Unique Identifiers
Mindat ID:
43325
Long-form identifier:
mindat:1:1:43325:9
GUID
(UUID V4):
(UUID V4):
de0323f8-1b5b-4b77-8f40-13962928da1b
IMA Classification of Galloplumbogummite
Approved
Approval year:
2010
First published:
2014
Type description reference:
Schlüter, Jochen, Malcherek, Thomas, Mihailova, Boriana (2014) Galloplumbogummite from Tsumeb, Namibia, a new member of the alunite group with tetravalent charge balance. Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 191 (3) 301-309 doi:10.1127/0077-7757/2014/0262
Classification of Galloplumbogummite
8.BL.10
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 |
---|---|---|
Gpbg | 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 Galloplumbogummite
Colour:
Colourless to frosted white
Streak:
White
Density:
4.62 g/cm3 (Calculated)
Chemistry of Galloplumbogummite
Mindat Formula:
Pb(Ga,Al,Ge)3(PO4)2(OH)6
Also given as Pb(Ga,Al)3-xGexH1-x(PO4)2(OH)6 for 0 <= x <= 1.
Also given as Pb(Ga,Al)3-xGexH1-x(PO4)2(OH)6 for 0 <= x <= 1.
Crystallography of Galloplumbogummite
Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 7.083(5) Å, c = 16.742(3) Å
Ratio:
a:c = 1 : 2.364
Unit Cell V:
727.4 ų
Z:
3
Morphology:
Rhombohedral crystals up to 0.15 mm. Its forms are dominated by {h0l} with additional {hkl} or {0kl} and {001}.
Twinning:
None observed.
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) |
---|---|---|---|---|---|---|---|
0020676 | Galloplumbogummite | Schluter J, Malcherek T, Mihailova B (2014) Galloplumbogummite from Tsumeb, Namibia, a new member of the alunite group with tetravalent charge balance Neues Jahrbuch fur Mineralogie, Abhandlungen 191 301-309 | 2014 | Tsumeb, Namibia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
5.730 Å | (100) |
3.528 Å | (24) |
2.983 Å | (78) |
2.466 Å | (12) |
2.288 Å | (7) |
2.225 Å | (19) |
1.912 Å | (17) |
1.768 Å | (15) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47c : [Carbonates, phosphates, borates, nitrates] | |
47d : [Arsenates, antimonates, selenates, bismuthinates] |
Type Occurrence of Galloplumbogummite
General Appearance of Type Material:
Found in two millimeter-sized vugs in massive germanite-renierite ore.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Mineralogical Museum of the University of Hamburg, Hamburg, Germany, catalogue number TS 315.
Geological Setting of Type Material:
Second oxidation zone of the Tsumeb ore deposit.
Associated Minerals at Type Locality:
Reference:
Schlüter, J., Malcherek, T., Mihailova, B. (2014): Galloplumbogummite from Tsumeb, Namibia, a new member of the alunite group with tetravalent charge balance. Neues Jahrbuch für Mineralogie - Abhandlungen: 191: 301-309.
Synonyms of Galloplumbogummite
Relationship of Galloplumbogummite to other Species
Member of:
Other Members of this group:
Benauite | SrFe3+3(PO4)(PO3OH)(OH)6 | Trig. 3m (3 2/m) : R3m |
Crandallite | CaAl3(PO4)(PO3OH)(OH)6 | Trig. 3m (3 2/m) : R3m |
Eylettersite | Th0.75Al3(PO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
Florencite-(Ce) | CeAl3(PO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
Florencite-(La) | LaAl3(PO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
Florencite-(Nd) | NdAl3(PO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
Florencite-(Sm) | SmAl3(PO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
Gorceixite | BaAl3(PO4)(PO3OH)(OH)6 | Mon. m : Bm |
Goyazite | SrAl3(PO4)(PO3OH)(OH)6 | Trig. 3m (3 2/m) : R3m |
Kintoreite | PbFe3(PO4)(PO3OH)(OH)6 | Trig. 3m (3 2/m) : R3m |
Kintoreite-2c | PbFe3+3(PO4)2(OH,H2O)6 | |
Plumbogummite | PbAl3(PO4)(PO3OH)(OH)6 | Trig. 3m (3 2/m) : R3m |
Springcreekite | BaV3+3(PO4)2(OH,H2O)6 | Trig. 3m (3 2/m) : R3m |
UM2006-23-PO:AlBiCaFeH | (Ca,Bi)(Fe,Al)3(PO4)(PO3OH)(OH)6 | |
Unnamed (As-analogue of Zaïrite) | (Bi,Pb)Fe3+3(AsO4)2(OH)6 | |
Waylandite | BiAl3(PO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
Zaïrite | BiFe3+3(PO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
Common Associates
Associated Minerals Based on Photo Data:
6 photos of Galloplumbogummite associated with Germanite | Cu13Fe2Ge2S16 |
4 photos of Galloplumbogummite associated with Otjisumeite | PbGe4O9 |
3 photos of Galloplumbogummite associated with Renierite | (Cu1+,Zn)11Fe4(Ge4+,As5+)2S16 |
2 photos of Galloplumbogummite associated with Chalcocite | Cu2S |
2 photos of Galloplumbogummite associated with Tsumcorite | PbZn2(AsO4)2 · 2H2O |
1 photo of Galloplumbogummite associated with Bornite | Cu5FeS4 |
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 | Gallobeudantite | PbGa3(AsO4)(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.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 Galloplumbogummite
Not fluorescent
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 Galloplumbogummite
mindat.org URL:
https://www.mindat.org/min-43325.html
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References for Galloplumbogummite
Reference List:
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2011) New minerals and nomenclature modifications approved in 2011. CNMNC Newsletter No 9. Mineralogical Magazine, 75 (4) 2535-2540 doi:10.1180/minmag.2011.075.4.2535
Schlüter, Jochen, Malcherek, Thomas, Mihailova, Boriana (2014) Galloplumbogummite from Tsumeb, Namibia, a new member of the alunite group with tetravalent charge balance. Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 191 (3) 301-309 doi:10.1127/0077-7757/2014/0262
Localities for Galloplumbogummite
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) | |
| Williams et al. (2011) +1 other reference |
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Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia