Meta-autunite R050612

Name: Meta-autunite
RRUFF ID: R050612
Ideal Chemistry: Ca(UO2)2(PO4)2·6H2O
Locality: Daybreak mine, Mt. Spokane, Spokane County, Washington, USA
Source: Dave Bunk Minerals
Owner: RRUFF
Description: Green thin tabular crystal
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ meta-autunite (4) ]
Quick search: [ All Meta-autunite samples (3) ]
RRUFF ID: R050612.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca0.85   0.15)Σ=1(U1.00O2)2(P1.00O4)2·3((H2O)0.90(H3O)+0.10)
Sample Description: Unoriented sample

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RRUFF ID: R050612
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 80% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050612.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R050612.1
Sample Description: Powder
Cell Refinement Output: a: 6.9654(7)Å    b: 6.9654(7)Å    c: 8.416(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 408.33(8)Å3    Crystal System: tetragonal
  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 Meta-autunite

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]

Gaubert M P (1904) Produits de déshydratation de quelques phosphates et orientation du chlorure de baryum sur les minéraux du groupe de l´autunite, Bulletin de la Société Française de Minéralogie, 27, 222-233   [view file]

Donnay G, Donnay J D H (1955) Contribution to the crystallography of uranium minerals, in Contribution to the Crystallography of Uranium Minerals Geological Survey for the United States Atomic Energy Commission, Technical Information Service Oak Ridge 1-42   [view file]

Makarov E S, Ivanov V I (1960) The crystal structure of meta-autunite, Ca(UO2)2(PO4)2·6H2O, Doklady Akademii Nauk SSSR Earth Science Sections, 132, 601-603   [view file]

Ross M (1963) The crystallography of meta-autunite (I), American Mineralogist, 48, 1389-1393   [view file]

Butt C R M, Graham J (1981) Sodian potassian hydroxonian meta-autunite: first natural occurrence of an intermediate member of a predicted solid solution series, American Mineralogist, 66, 1068-1072   [view file]

Frost R L, Weier M L (2004) Hot-stage Raman spectroscopic study of the thermal decomposition of saléeite, Journal of Raman Spectroscopy, 35, 299-307

Suzuki Y, Sato T, Isobe H, Kogure T, Murakami T (2005) Dehydration processes in the meta-autunite group minerals meta-autunite, metasaléeite, and metatorbernite, American Mineralogist, 90, 1308-1314   [view file]

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