IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Galloplumbogummite

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About GalloplumbogummiteHide

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
Name:
The new mineral was discovered in a sample bequeathed to the Mineralogical Museum Hamburg by Prof. Dr. Hermann Rose (1883–1976).
Found in the second oxidation zone of the Tsumeb mine. Ga-dominant analogue of plumbogummite.


Classification of GalloplumbogummiteHide

Approved
Approval Year:
2010

Physical Properties of GalloplumbogummiteHide

Colour:
Colourless to frosted white
Density:
4.62 g/cm3 (Calculated)

Chemical Properties of GalloplumbogummiteHide

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.
Idealised Formula:
PbGa3H(PO4)2(OH)6

Crystallography of GalloplumbogummiteHide

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

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.730 (100)
3.528 (24)
2.983 (78)
2.466 (12)
2.288 (7)
2.225 (19)
1.912 (17)
1.768 (15)

Type Occurrence of GalloplumbogummiteHide

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:

Synonyms of GalloplumbogummiteHide

Relationship of Galloplumbogummite to other SpeciesHide

Other Members of this group:
BenauiteSrFe3+3(HPO4,PO4)2(OH)6Trig. 3m (3 2/m) : R3m
CrandalliteCaAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
EylettersiteTh0.75Al3(PO4)2(OH)6Trig.
Florencite-(Ce)CeAl3(PO4)2(OH)6
Florencite-(La)LaAl3(PO4)2(OH)6
Florencite-(Nd)NdAl3(PO4)2(OH)6
Florencite-(Sm)SmAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
GorceixiteBaAl3(PO4)(PO3OH)(OH)6Mon. m : Bm
GoyaziteSrAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
KintoreitePbFe3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
Kintoreite-2cPbFe3+3(PO4)2(OH,H2O)6
PlumbogummitePbAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
SpringcreekiteBaV3+3(PO4)2(OH,H2O)6Trig. 3m (3 2/m) : R3m
WaylanditeBiAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
ZaïriteBiFe3+3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for GalloplumbogummiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Schlüter, J. and Malcherek, T. (2011): Galloplumbogummite, IMA 2010-088. CNMNC Newsletter No. 9, August 2011, page 2537; Mineralogical Magazine, 75, 2535-2540.
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.

Internet Links for GalloplumbogummiteHide

Localities for GalloplumbogummiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Namibia (TL)
 
  • Oshikoto Region (Otjikoto Region)
    • Tsumeb
Schlüter, J. and Malcherek, T. (2011): Galloplumbogummite, IMA 2010-088. CNMNC Newsletter No. 9, August 2011, page 2537; Mineralogical Magazine, 75, 2535-2540: 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.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 23, 2018 12:42:26 Page generated: September 6, 2018 15:40:11
Go to top of page