K Ca2 (Nb3 O10)

Ca₂KNb₃O₁₀

Fukuoka, H.Isami, T.Yamanaka, S.

Journal of Solid State Chemistry (2000) 151, 40-45

a=3.8802Å   b=29.508Å   c=7.714Å

α=90°   β=90°   γ=90°