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UM1997-26-CO:CaFREE

Valid as an unnamed mineral
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Formula:
(Ce,La)Ca(CO3)2F
Crystal System:
Trigonal
Dimorph of:
Synchysite-(Ce)
Trigonal polymorph of synchysite-(Ce). Studied by means of TEM.


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Unique IdentifiersHide

Mindat ID:
54096
Long-form identifier:
mindat:1:1:54096:6

IMA Classification of UM1997-26-CO:CaFREEHide

IMA status notes:
Unnamed (probably valid)

Chemistry of UM1997-26-CO:CaFREEHide

Mindat Formula:
(Ce,La)Ca(CO3)2F
Element Weights:
Element% weight
Ce43.895 %
O30.073 %
Ca12.555 %
C7.525 %
F5.952 %

Calculated from ideal end-member formula.
Elements listed:
C, Ca, Ce, F, La, O - search for minerals with similar chemistry

Crystallography of UM1997-26-CO:CaFREEHide

Crystal System:
Trigonal
Cell Parameters:
a = 7.12 or 7.10 Å, c = 56.16 or 28.16 Å
Ratio:
a:c = 1 : 7.888
Unit Cell V:
2,465.57 ų (Calculated from Unit Cell)
Comment:
Space group is either R3c or R-3c for the 6R polytype (first unit cell parameters) or R-3 or R3 for the 3R polytype

Other InformationHide

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 UM1997-26-CO:CaFREEHide

References for UM1997-26-CO:CaFREEHide

Localities for UM1997-26-CO:CaFREEHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.
China
 
  • Shandong
    • Jining
      • Weishan County
Zhao +4 other references
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