Synchysite

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A synchysite with unknown end-member composition.

Synchysite is a group of carbonate minerals.[1] There are three isostructural chemical end members are Synchysite-(Ce), Synchysite-(Nd) and Synchysite-(Y). Huanghoite-(Ce) belongs to the group, but has a different symmetry and calcium is replaced by barium.[2][3]

Synchesite group
Mineral name Chemical formula Symmetry Space group
Huanghoite-(Ce) BaCe(CO
3
)
2
F
3\;2/m R\;\overline{3}\;m
Synchysite-(Ce) Ca(Ce,La)(CO
3
)
2
F
2/m C\;2/c
Synchysite-(Nd) CaNd(CO
3
)
2
F
2/m C\;2/c
Synchysite-(Y) CaY(CO
3
)
2
F
2/m C\;2/c

References[edit]

  1. ^ "Synchysite Group". Retrieved 24 February 2013. 
  2. ^ "Synchysite-(Ce)". Retrieved 24 February 2013. 
  3. ^ "Huanghoite-(Ce)". Retrieved 24 February 2013.