Sklodowskite R050445



Name: Sklodowskite
RRUFF ID: R050445
Ideal Chemistry: Mg(UO2)2(SiO3OH)2·6H2O
Locality: Mina las Animas, Santa Eulalia, Chihuahua, Mexico
Source: Peter Megaw
Owner: RRUFF
Description: Mass of transparent yellow flat fibers
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
CHEMISTRY 
RRUFF ID: R050445.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050445
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050445.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050445.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 17.368(5)Å    b: 7.045(1)Å    c: 6.604(2)Å
alpha: 90°    beta: 105.92(1)°    gamma: 90°   Volume: 777.1(4)Å3    Crystal System: monoclinic
  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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REFERENCES for Sklodowskite

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]

Schoep A (1924) Sur la sklodowskite, nouveau minéral uranifère; ses analogies avec l’uranotile, Bulletin de la Société Française de Minéralogie, 47, 162-172   [view file]

Foshag W F (1925) New mineral names, American Mineralogist, 10, 131-135   [view file]

Gorman D H (1957) Studies of radioactive compounds, IX - sklodowskite, The Canadian Mineralogist, 6, 52-60   [view file]

Mokeeva V I (1959) The crystal structure of sklodowskite, Soviet Physics - Doklady, 4, 27-29

Mokeeva V I (1964) The structure of sklodowskite, Soviet Physics - Crystallography, 9, 217-218   [view file]

Ryan R R, Rosenzweig A (1977) Sklodowskite, MgO·2UO3·2SiO2·7H2O, Crystal Structure Communications, 6, 611-615

Stohl F V, Smith D K (1981) The crystal chemistry of the uranyl silicate minerals, American Mineralogist, 66, 610-625   [view file]

Vochten R, Blaton N, Peeters O, Van Springel K, Van Haverbeke L (1997) A new method of synthesis of boltwoodite and of formation of sodium boltwoodite, uranophane, sklodowskite and kasolite from boltwoodite, The Canadian Mineralogist, 35, 735-741   [view file]

Frost R L, Cejka J, Weier M L, Martens W (2006) Molecular structure of the uranyl silicates - a Raman spectroscopic study, Journal of Raman Spectroscopy, 37, 538-551

Sejkora J, Plášil J, Bureš B (2013) Unusual association of supergene uranium minerals from the Jan Evangelista vein, Jáchymov (Czech Republic), Bulletin mineralogicko-petrologického oddelení Národního Muzea (Praha), 21, 143-156