VariousWords beta
Related Terms:
Noun
Definition: A complex mineral with the chemical formula (K,Na)₃(Mn,Fe)₇(Zr,Ti,Nb)₂Si₈O₂₄(OH,F)₇.
VariousWords beta
Definition: A complex mineral with the chemical formula (K,Na)₃(Mn,Fe)₇(Zr,Ti,Nb)₂Si₈O₂₄(OH,F)₇.