- K****ite, 10 Lucasite-(Ce)
Pyrochlore group: Fluorcalciopyrochlore,
Fluorkenopyrochlore, Fluornatropyrochlore, Fluorstrontiopyrochlore, Hydropyrochlore,...
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group (D atom is Nb)
Fluorcalciopyrochlore (Ca,[ ])2Nb2(O,OH)6F,
Fluorkenopyrochlore ([ ],Na,Ce,Ca)2(Nb,Ti)2O6F,
Fluornatropyrochlore (Na,REE,Ca)2Nb2(O...