Grimselite R141028

Name: Grimselite
RRUFF ID: R141028
Ideal Chemistry: K3Na(UO2)(CO3)3·H2O
Locality: Rovnost Mine, Jáchymov, Krušné Hory Mts, Karlovy Vary, Bohemia, Czech Republic
Source: William W. Pinch [view label]
Owner: RRUFF
Description: Radial aggregate of light or greenish yellow bladed crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Sample Description: Unoriented sample

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RRUFF ID: R141028
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R141028.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.258(2)Å    b: 9.258(2)Å    c: 8.200(1)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 608.67(6)Å3    Crystal System: hexagonal
  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.

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REFERENCES for Grimselite

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]

Walenta K (1972) Grimselit, ein neues Kalium-Natrium-Uranylkarbonat aus dem Grimselgebiet (Oberhasli, Kt. Bern, Schweiz), Schweizerische Mineralogische und Petrographische Mitteilungen, 52, 93-108

Fleischer M (1973) New mineral names, American Mineralogist, 58, 139-141   [view file]

Li Y, Burns P C (2001) The crystal structure of synthetic grimselite, K3Na[(UO2)(CO3)3](H2O), The Canadian Mineralogist, 39, 1147-1151   [view file]

Kubatko K-A, Helean K B, Navrotsky A, Burns P C (2005) Thermodynamics of uranyl minerals: enthalpies of formation of rutherfordine, UO2CO3, andersonite, Na2CaUO2(CO3)3(H2O)5, and grimselite, K3NaUO2(CO3)3H2O, American Mineralogist, 90, 1284-1290   [view file]

Roth P (2007) Grimselite, in Minerals first discovered in Switzerland and minerals named after Swiss individuals Kristallografik Verlag Achberg Germany 78-79

Plášil J, Fejfarová K, Skála R, Škoda R, Meisser N, Hloušek J, Císařová I, Dušek M, Veselovský F, Čejka J, Sejkora J, Ondruš P (2012) The crystal chemistry of the uranyl carbonate mineral grimselite, (K,Na)3Na[(UO2)(CO3)3](H2O), from Jáchymov, Czech Republic, Mineralogical Magazine, 76, 443-453   [view file]