Descloizite R050037



Name: Descloizite
RRUFF ID: R050037
Ideal Chemistry: PbZn(VO4)(OH)
Locality: Berg Aukas mine, Namibia
Source: Eugene Schlepp
Owner: RRUFF
Description: Group of brown thin tabular single crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ descloizite (10) ]
Quick search: [ All Descloizite samples (3) ]
CHEMISTRY 
RRUFF ID: R050037.2
Sample Description: Microprobe Fragment
Measured Chemistry: Pb1.00(Zn0.98Cu0.02)Σ=1((V0.98As0.02)Σ=1O4)(OH) ; OH estimated by difference and stoichiometry
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: m00433
Orientation: Laser parallel to  -a*  (-1 0 0).     Fiducial mark perpendicular to laser is parallel to  b   [0 1 0].
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050037
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050037.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050037.1
Sample Description: Powder
Cell Refinement Output: a: 7.5955(2)Å    b: 6.0696(3)Å    c: 9.4243(2)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 434.48(2)Å3    Crystal System: orthorhombic
  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.

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REFERENCES for Descloizite

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]

Damour A A (1854) Notice sur la descloizite, nouvelle espèce minérale, Annales de Chimie et de Physique, 41, 72-78   [view file]

Descloizeaux A (1854) Note sur la forme cristalline d'un nouveau vanadiate de plomb, Annales de Chimie et de Physique, 41, 78-80   [view file]

Rammelsberg C (1880) Ueber die vanadinerze aus dem Staat Córdoba in Argentinien, Zeitschrift der Deutschen Geologischen Gesellschaft, 32, 708-713   [view file]

Richmond W E (1940) Crystal chemistry of the phosphates, arsenates and vanadates of the type A2XO4(Z), American Mineralogist, 25, 441-478   [view file]

Barnes W H, Qurashi M M (1952) Unit cell and space group data for certain vanadium minerals, American Mineralogist, 37, 407-422

Bachmann H G (1953) Beiträge zur kristallchemie natürlicher und künstlicher schwermetallvanadate. I. Die morphologie des descloizit (und des pyrobelonit), Neues Jahrbuch für Mineralogie, Monatshefte, 1953, 68-82

Qurashi M M, Barnes W H (1963) The structures of the minerals of the descloizite and adelite groups: IV - descloizite and conichalcite (part 2) The structure of conichalcite, The Canadian Mineralogist, 7, 561-577   [view file]

Qurashi M M, Barnes W H (1964) The structures of the minerals of the descloizite and adelite groups: V—descloizite and conichalcite (part 3). The structure of descloizite, The Canadian Mineralogist, 8, 23-39   [view file]

Hawthorne F C, Faggiani R (1979) Refinement of the structure of descloizite, Acta Crystallographica, B35, 717-720

Frost R L, Williams P A, Kloprogge J T, Leverett P (2001) Raman spectroscopy of descloizite and mottramite at 298 and 77 K, Journal of Raman Spectroscopy, 32, 906-911

Effenberger H (2002) New investigations of the adelite-descloizite group, 18th General Meeting of the International Mineralogical Association, Edinburgh, UK, 18, 134-142   [view file]

Ðorđević T, Kolitsch U, Nasadala L (2016) A single-crystal X-ray and Raman spectroscopic study of hydrothermally synthesized arsenates and vanadates with the descloizite and adelite structure types, American Mineralogist, 101, 1135-1149