Niobokupletskite [ K2NaMn7(Nb,Ti)2(Si4O12)2O2(OH)4(O,F) ]

Material properties

Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Halide , Hydroxide , Mineral, Silicate

Composition

Element Atoms
Na 1
H 4
Ti ~1
Nb ~1
K 2
Si 8
Mn 7
F ~0.5
O ~30.5