Metauranocircite R050575

Name: Metauranocircite
RRUFF ID: R050575
Ideal Chemistry: Ba(UO2)2(PO4)2·6H2O
Locality: Voightland, Saxony, Germany
Source: University of Arizona Mineral Museum 3041 [view label]
Owner: RRUFF
Description: Yellow platy crystals with minor intergrown quartz
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
RRUFF ID: R050575.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ba0.98Ca0.02)Σ=1(U1.00O2)2(P1.00O4)2·6.13H2O
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

  To download sample data,
  please select a specific
  orientation angle.

Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
RRUFF ID: R050575
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 10% of 150mW
RRUFF ID: R050575.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.01(1)Å    b: 17.00(3)Å    c: 7.02(1)Å
alpha: 90°    beta: 90.13(4)°    gamma: 90°   Volume: 837(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.

X Min:    X Max:    X Sort:
REFERENCES for Metauranocircite

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]

Nuffield E W, Milne I H (1953) Studies of radioactive compounds: VI—meta-uranocircite, American Mineralogist, 38, 476-488   [view file]

Pulou R (1957) Méta-uranocircite d'entraygues (Aveyron), Bulletin de la Société Française de Minéralogie et de Cristallographie, 80, 32-38   [view file]

Walenta K (1963) Über die Barium-Uranylphosphatmineralien Uranocircit I, Uranocircit II, Meta-Uranocircit I und Meta-Uranocircit II von Menzenschwand in südlichen Schwarzwald, Jahreshefte des Geologischen Landesamtes in Baden-Württemberg, 6, 113-135

Khosrawan-Sazedj F (1982) The crystal structure of meta-uranocircite II, Ba(UO2)2(PO4)2·6H2O, Tschermaks Mineralogische und Petrographische Mitteilungen, 29, 193-204

Jambor J L, Burke E A J, Grew E S, Puziewicz J (1993) New mineral names, American Mineralogist, 78, 672-678   [view file]

Locock A J, Burns P C, Flynn T M (2005) Structures of strontium- and barium-dominant compounds that contain the autunite-type sheet, The Canadian Mineralogist, 43, 721-733   [view file]

Piilonen P C, Locock A, Grew E S (2005) New mineral names, American Mineralogist, 90, 1945-1952   [view file]

Burke E A J (2008) Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks, The Mineralogical Record, 39, 131-135   [view file]

Nickel E H, Nichols M C (2009) IMA/CNMNC list of mineral names compiled by Ernest H. Nickel & Monte C. Nichols supplied through the courtesy of Materials Data, Inc. ( and based on the database MINERAL, which MDI makes available as a free download to the mineralogical community, 1-315   [view file]

Miyawaki R, Hatert F, Pasero M, Mills S J (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 69, European Journal of Mineralogy, 34, 463-468   [view file]

Hatert F, Mills S J, Pasero M, Miyawaki R, Bosi F (2023) CNMNC guidelines for the nomenclature of polymorphs and polysomes, Mineralogical Magazine, 87, 225-232