Davidlloydite R130015

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Record 270 of 1179  
Name: Davidlloydite
RRUFF ID: R130015
Ideal Chemistry: Zn3(AsO4)2·4H2O
Locality: Tsumeb mine, Otjikoto region, Namibia
Source: Frank C. Hawthorne
Owner: Frank C. Hawthorne
Description: Aggregates of subparallel to slightly diverging prisms lying partly on and partly embedded in fine-grained calcioandyrobertsite. Type sample. Data from Hawthorne et al. (2012)
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Parahopeite (2) ]
CHEMISTRY 
RRUFF ID: R130015.2
Sample Description: Microprobe sample
Measured Chemistry: (Zn2.53Cu0.39)As2.03O8·4H2O
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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Raman Data (Processed)
RRUFF File
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POWDER DIFFRACTION 
RRUFF ID: R130015.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.9756(4)Å    b: 7.6002(5)Å    c: 5.4471(4)Å
alpha: 84.2892(9)°    beta: 90.4920(9)°    gamma: 87.9958(9)°   Volume: 245.99(5)Å3    Crystal System: triclinic
  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.

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DIF File
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REFERENCES for Davidlloydite

American Mineralogist Crystal Structure Database Record: [view record]

Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 10. New minerals and nomenclature modifications approved in 2011, Mineralogical Magazine, 75, 2549-2561   [view file]

Belakovskiy D, Welch M D, Cámara F, Diego Gatta G, Tait K T (2012) New mineral names, American Mineralogist, 97, 1523-1530   [view file]

Hawthorne F C, Cooper M A, Abdu Y A, Ball N A, Back M E, Tait K T (2012) Davidlloydite, ideally Zn3(AsO4)2(H2O)4, a new arsenate mineral from the Tsumeb mine, Otjikoto (Oshikoto) region, Namibia: description and crystal structure, Mineralogical Magazine, 76, 45-57   [view file]