Chemistry:Synchysite-(Ce)

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Short description: Carbonate mineral
Synchysite-(Ce)
Synchysite-(Ce)-189497.jpg
Synchysite-(Ce) from Poudrette quarry, Mont Saint-Hilaire
General
CategoryMineral
Formula
(repeating unit)
Ca(Ce,La)(CO
3
)
2
F
Strunz classification5.BD.20c
Dana classification16a.1.3.1
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupC2/c
Identification
TenacityBrittle
Mohs scale hardness4.5
|re|er}}Vitreous
DiaphaneityTranslucent
PleochroismWeak
References[1]

Synchysite-(Ce) is a carbonate mineral and an end member of the synchysite group. The general chemical formula is Ca(Ce,La)(CO
3
)
2
F
.[3]

Discovery and naming

Synchysite-(Ce) was discovered in 1900 by Gustaf Flink.[4] The name is derived from the Greek "σύγχΰσις", meaning "confounding", a reference to the possibility to confuse the mineral with Parisite-(Ce).

Occurrences

Synchysite-(Ce) is found in rare-earth element bearing pegmatites.[5] It can also occur as a hydrothermal mineral in granite, alkalic syenite and carbonatite.[1]

References

  1. 1.0 1.1 "Synchysite-(Ce)". handbookofmineralogy. http://www.handbookofmineralogy.org/pdfs/synchysite-(Ce).pdf. Retrieved 24 February 2013. 
  2. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine 85 (3): 291–320. doi:10.1180/mgm.2021.43. Bibcode2021MinM...85..291W. 
  3. "Synchysite-(Ce)". http://www.mindat.org/min-3853.html. Retrieved 24 February 2013. 
  4. "Synchysite-(Ce) Mineral Data". http://webmineral.com/data/Synchysite-(Ce).shtml. Retrieved 24 February 2013.