Tengchongite R190032


Name: Tengchongite
RRUFF ID: R190032
Ideal Chemistry: Ca(UO2)6(MoO4OH)2O2(OH)4·9H2O
Locality: Tengchong County, Yunnan Province, China.
Source: Guang Fan [view label] [view label]
Owner: RRUFF
Description: Loose yellow crystals. Part of type sample
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Not in a structural group (129) ]
CHEMISTRY 
RRUFF ID: R190032.2
Sample Description: Microprobe Fragment
POWDER DIFFRACTION 
RRUFF ID: R190032.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 15.6800(9) Å    b: 13.0866(8)Å    c: 17.6794(12) Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 3627.8(4)Å3    Crystal System: orthorhombic
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REFERENCES for Tengchongite

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]

Chen Z, Luo K, Tan F, Zhang Y, Gu X (1986) Tengchongite, a new mineral of hydrated calcium uranyl molybdate, Kexue Tongbao, 31, 396-401   [view file]

Hawthorne F C, Burke E A J, Ercit T S, Grew E S, Grice J D, Jambor J L, Puziewicz J, Roberts A C, Vanko D A (1988) New mineral names, American Mineralogist, 73, 189-199   [view file]

Li T, Fan G, Ge X, Wang T, Yu A, Deng L (2022) Crystal structure of tengchongite with a revised chemical formula Ca(UO2)6(MoO4OH)2O2(OH)4ยท9H2O, The Canadian Mineralogist, 60, 533-542