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Fluornatroroméite, Fluornatroromeite

Year of discovery: 1996 (Japan as the first occurence in the World)

Locality list: A locality of fluornatroroméite

• NaCaSb₂O₆F
• (Na,Ca)₂Sb₂O₆(F,OH)
• [Na⁺][Ca²⁺][F|(SbO₃)₂]^3-

• Class: Roméite (Romeite) group < Pyrochlore supergroup
• Class: Antimonate - Fluoride

• Color: Yellow
• Luster: Vitreous

• Cleavage: No
• Density: 5.1

• System: Cubic
• Group: m3m, Fd3m
• Lattice: a=10.3