Otavite R050677



Name: Otavite
RRUFF ID: R050677
Ideal Chemistry: Cd(CO3)
Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia
Source: University of Arizona Mineral Museum 5891 [view label]
Owner: RRUFF
Description: White rhombohedra
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Calcite (36) ]
CHEMISTRY 
RRUFF ID: R050677.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Cd0.91Zn0.05Pb0.04)Σ=1CO3 ; = lighter phase. The crystal is zoned. The darker phase is (Cd0.93Zn0.05Pb0.02)Σ=1CO3 ; the inclusion is cerussite: Pb1.00CO3
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050677
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050677.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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POWDER DIFFRACTION 
RRUFF ID: R050677.1
Sample Description: Powder
Cell Refinement Output: a: 4.9138(2)Å    b: 4.9138(2)Å    c: 16.325(1)Å
alpha: 90.°    beta: 90.°    gamma: 120.°   Volume: 341.38(3)Å3    Crystal System: hexagonal
  File Type Information Close
Calculated diffraction file.

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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 Otavite

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]

Schneider O (1906) Vorläufige Notiz über einige sekundäre Minerlien von Otavi (Deutsch Süd-West-Afrika), darunter ein neues Cadmium-Mineral, Centralblatt für Mineralogie, Geologie und Paläontologie, 1906, 388-389   [view file]

Rutt H N, Nicola J H (1974) Raman spectra of carbonates of calcite structure, Journal of Physics C: Solid State Physics, 7, 4522-4528

Borodin V L, Liutin V I, Iliukhin V V (1979) Calcite - otavite isomorphous series, Doklady Akademii Nauk SSSR, 245, 1099-1101   [view file]

Liu L, Lin C (1997) A calcite --> aragonite-type phase transition in CdCO3, American Mineralogist, 82, 643-646   [view file]

Bromiley F A, Ballaran T B, Langenhorst F, Seifert F (2007) Order and miscibility in the otavite-magnesite solid solution, American Mineralogist, 92, 829-836   [view file]

Bromiley F A, Ballaran T B, Zhang M (2007) An infrared investigation of the otavite-magnesite solid solution, American Mineralogist, 92, 837-843   [view file]

Ballirano P (2016) Thermal behaviour of otavite, CdCO3, European Journal of Mineralogy, 28, 285-293