Churchite-(Y) R050421



Name: Churchite-(Y)
RRUFF ID: R050421
Ideal Chemistry: YPO4·2H2O
Locality: Vesuvius, Virginia, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Colorless acicular radiating groups
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Gypsum (12) ]
Quick search: [ All Churchite-(Y) samples (2) ]
CHEMISTRY 
RRUFF ID: R050421.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Y0.94Er0.01Gd0.01Dy0.01Yb0.01Ca0.02)Σ=1.00(PO4)0.97·1.28H2O
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150 mW
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INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050421.9
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050421.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.591(4)Å    b: 15.030(9)Å    c: 6.298(3)Å
alpha: 90°    beta: 117.86(2)°    gamma: 90°   Volume: 467.9(3).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 Churchite-(Y)

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]

Church A H (1865) Preliminary note on a new British mineral containing cerium, The Chemical News, 12, 121-121   [view file]

Williams C G (1865) On the presence of didymium in churchite, The Chemical News, 12, 183-183   [view file]

Fleischer M (1954) New mineral names, American Mineralogist, 39, 848-852   [view file]

Milton D J, Bastron H (1971) Churchite and Florencite (Nd) from Sausalito, California, The Mineralogical Record, 2, 166-168   [view file]

International Mineralogical Association (1982) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 46, 513-514   [view file]

Podporina E K, Burkov V V, Danilova K N (1983) Nd-churchites from the crust of weathering of Kazakjstan metamorphic rocks, Doklady Akademii Nauk SSSR, 268, 195-198   [view file]

Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist, 72, 1031-1042   [view file]

Kohlmann M, Sowa H, Reithmayer K, Schulz H, Kruger R R, Abriel W (1994) Structure of a Y1-x(Gd,Dy,Er)xPO4·2H2O microcrystal using synchrotron radiation, Acta Crystallographica, C50, 1651-1652

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

Göb S, Wenzel T, Bau M, Jacob D E, Loges A, Markl G (2011) The redistribution of rare-earth elements in secondary minerals of hydrothermal veins, Schwarzwald, southwestern Germany, The Canadian Mineralogist, 49, 1305-1333   [view file]