UM1998-09-CO:CaCeF
Valid as an unnamed mineral
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Formula:
Ca4Ce11(CO3)15F11
Crystal System:
Trigonal
Regularly interstratified bastnäsite-(Ce)/synchysite-(Ce). Reported as "B7S4-II". Found as regular, mixed-layer structures within parisite-(Ce).
Co-described with 5 similar species: UM1998-04-CO:CaCeF, UM1998-05-CO:CaCeF, UM1998-06-CO:CaCeF, UM1998-07-CO:CaCeF, and UM1998-08-CO:CaCeF. Maximum diameter of this and the other species is ca. 0.5 micron.
Polytypic with UM1998-08-CO:CaCeF. Note the extremely large c parameter.
Co-described with 5 similar species: UM1998-04-CO:CaCeF, UM1998-05-CO:CaCeF, UM1998-06-CO:CaCeF, UM1998-07-CO:CaCeF, and UM1998-08-CO:CaCeF. Maximum diameter of this and the other species is ca. 0.5 micron.
Polytypic with UM1998-08-CO:CaCeF. Note the extremely large c parameter.
Unique Identifiers
Mindat ID:
54129
Long-form identifier:
mindat:1:1:54129:3
GUID
(UUID V4):
(UUID V4):
d5a90f48-f58c-4ed5-ae34-3392dc6f8206
Classification of UM1998-09-CO:CaCeF
IMA status notes:
Unnamed (probably valid)
Chemical Properties of UM1998-09-CO:CaCeF
Formula:
Ca4Ce11(CO3)15F11
Crystallography of UM1998-09-CO:CaCeF
Crystal System:
Trigonal
Cell Parameters:
a = 7.10 Å, c = 211.95 Å
Ratio:
a:c = 1 : 29.852
Unit Cell V:
9,252.96 ų (Calculated from Unit Cell)
Comment:
Space group is R3m, R32, or R-3m
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for UM1998-09-CO:CaCeF
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Wu, X., Meng, D., Pan, Zh., Yang, G. (1998): Transmission electron microscopic study of new, regular, mixed-layer structures in calcium–rareearth fluorocarbonate minerals. Mineral. Mag.: 62: 55–64; in: Jambor, J.L., Kovalenker, V.A., Roberts, A.C. (1998): New mineral names. American Mineralogist: 83: 1119
Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification (2012 Update). Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se (2016) (Update: 2012-01)
Internet Links for UM1998-09-CO:CaCeF
mindat.org URL:
https://www.mindat.org/min-54129.html
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Mineral Dealers:
Localities for UM1998-09-CO:CaCeF
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
China | |
| Wu, X., Meng, D., Pan, Zh., Yang, G. (1998): Transmission electron microscopic study of new, regular, mixed-layer structures in calcium–rareearth fluorocarbonate minerals. Mineral. Mag.: 62: 55–64; in: Jambor, J.L., Kovalenker, V.A., Roberts, A.C. (1998): New mineral names. American Mineralogist: 83: 1119 |
