Synchysite is a group of
carbonate
A carbonate is a salt of carbonic acid, (), characterized by the presence of the carbonate ion, a polyatomic ion with the formula . The word "carbonate" may also refer to a carbonate ester, an organic compound containing the carbonate group ...
minerals.
The three isostructural chemical end members are
synchysite-(Ce)
Synchysite-(Ce) is a carbonate mineral and an end member of the synchysite group. The general chemical formula is .
Discovery and naming
Synchysite-(Ce) was discovered in 1900 by Gustaf Flink. The name is derived from the Greek "σύγχΰσις" ...
,
synchysite-(Nd) and
synchysite-(Y).
Huanghoite-(Ce) belongs to the group, but has a different symmetry and
calcium
Calcium is a chemical element; it has symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to it ...
is replaced by
barium
Barium is a chemical element; it has symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Because of its high chemical reactivity, barium is never found in nature as a free element.
Th ...
.
References
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Carbonate minerals
Monoclinic minerals
Minerals in space group 15