The rinkite group includes:
götzenite:
Ca4NaCa2Ti(Si2O7)2(OF)F2
kochite:
Ca2MnZrNa3Ti(Si2O7)2(OF)F2
mosandrite-(Ce):
(Ca3REE)[(H2O)2Ca0.5☐0.5]Ti(Si2O7)2(OH)2(H2O)2
nacareniobsite-(Y):
Na3Ca3YNb(Si2O7)2OF3
rinkite-(Ce):
(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
rinkite-(Y):
Na2Ca4YTi(Si2O7)2OF3
rosenbuschite:
Ca6Zr2Na6ZrTi(Si2O7)4(OF)2F4
seidozerite:
Na2Zr2Na2MnTi(Si2O7)2O2F2
The rinkite group is a member of the seidozerite supergroup
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