Mineralape

Bobshannonite

KBaNa2(Mn,Na)8(Nb,Ti)4(Si2O7)4O4(OH)4(O,F)2
Triclino crown IMA redefined

구성

Composizione (% in peso)
O
Mn
Nb
Si
Ba
  • OOxygen32.5%
  • MnManganese23.5%
  • NbNiobium19.9%
  • SiSilicon12.0%
  • BaBarium7.3%
  • NaSodium2.5%
  • KPotassium2.1%
  • HHydrogen0.2%

어원

명명 유래 Robert D. Shannon.