UM1998-04-CO:CaCeF
Valid as an unnamed mineral
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Formula:
Ca6Ce14(CO3)20F14
Crystal System:
Hexagonal
Regularly interstratified bastnäsite-(Ce)/synchysite-(Ce). Reported as "B8S6-I". Found as regular, mixed-layer structures within parisite-(Ce).
Co-described with 5 similar species: UM1998-05-CO:CaCeF, UM1998-06-CO:CaCeF, UM1998-07-CO:CaCeF, UM1998-08-CO:CaCeF, and UM1998-09-CO:CaCeF. Maximum diameter of this and the other species is ca. 0.5 micron.
Differs from UM1998-05-CO:CaCeF in layer arrangement and stacking sequence.
Co-described with 5 similar species: UM1998-05-CO:CaCeF, UM1998-06-CO:CaCeF, UM1998-07-CO:CaCeF, UM1998-08-CO:CaCeF, and UM1998-09-CO:CaCeF. Maximum diameter of this and the other species is ca. 0.5 micron.
Differs from UM1998-05-CO:CaCeF in layer arrangement and stacking sequence.
Unique Identifiers
Mindat ID:
54124
Long-form identifier:
mindat:1:1:54124:8
IMA Classification of UM1998-04-CO:CaCeF
IMA status notes:
Unnamed (probably valid)
Chemistry of UM1998-04-CO:CaCeF
Mindat Formula:
Ca6Ce14(CO3)20F14
Element Weights:
Crystallography of UM1998-04-CO:CaCeF
Crystal System:
Hexagonal
Cell Parameters:
a = 7.07 Å, c = 94.20 Å
Ratio:
a:c = 1 : 13.324
Unit Cell V:
4,077.75 ų (Calculated from Unit Cell)
Comment:
Space group is P6/m, P6, or P-6
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.
Internet Links for UM1998-04-CO:CaCeF
mindat.org URL:
https://www.mindat.org/min-54124.html
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References for UM1998-04-CO:CaCeF
Reference List:
Localities for UM1998-04-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 et al. (1998) +1 other reference |