Plumbogummite R050458

Name: Plumbogummite
RRUFF ID: R050458
Ideal Chemistry: PbAl3(PO4)(PO3OH)(OH)6
Locality: Cornwall, England
Source: University of Arizona Mineral Museum 3040 [view label]
Owner: RRUFF
Description: Grayish blue botryoidal crust associated with yellow-green pyromorphite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ alunite (46) ] [ crandallite (14) ]
Quick search: [ All Plumbogummite samples (3) ]
RRUFF ID: R050458.2
Sample Description: Microprobe fragment
Measured Chemistry: Pb1.00Al3.00((P0.81As0.19)Σ=1O4)(P1.00O3OH)(OH)6
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

  To download sample data,
  please select a specific
  orientation angle.

Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
RRUFF ID: R050458
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050458.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
X Min:    X Max:    X Sort:
RRUFF ID: R050458.1
Sample Description: Powder
Cell Refinement Output: a: 7.0131(1)Å    b: 7.0131(1)Å    c: 16.7241(4)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 712.35(2)Å3    Crystal System: hexagonal
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

X Min:    X Max:    X Sort:
REFERENCES for Plumbogummite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Berzelius J J (1819) (30) Diaspore, in Nouveau Système de Minéralogie Méquignon-Marvis Paris 282-285   [view file]

Shepard C U (1835) Plumbo-gummite, in Treatise on Mineralogy: Second Part Hezekiah Howe & Co. New Haven 113-113   [view file]

Scott K M (1987) Solid solution in, and classification of, gossan-derived members of the alunite-jarosite family, northwest Queensland, Australia, American Mineralogist, 72, 178-187   [view file]

Jambor J L (1999) Nomenclature of the alunite supergroup, The Canadian Mineralogist, 37, 1323-1341   [view file]

Kolitsch U, Tiekink E R T, Slade P G, Taylor M R, Pring A (1999) Hinsdalite and plumbogummite, their atomic arrangements and disordered lead sites, European Journal of Mineralogy, 11, 513-520

Plášil J, Sejkora J, Čejka J, Škoda R, Goliáš V (2009) Supergene mineralization of the Medvedín uranium deposit, Krkonoše Mountains, Czech Republic, Journal of Geosciences, 54, 15-56

Bayliss P, Kolitsch U, Nickel E H, Pring A (2010) Alunite supergroup: recommended nomenclature, Mineralogical Magazine, 74, 919-927   [view file]