Piilonen P.C.; Gault R.A.; Pekov I.V.; Back M.; Steede T.(2006)
The chemistry and crystal structure of a unique Zn-rich kupletskite: (K1.55Na0.21Rb0.09Sr0.01) ∑1.86 (Na0.82Ca0.18) ∑1.00(Mn4.72Zn1.66Na0.41 Mg0.12Fe0.092+∑7.00 (Ti1.85Nb0.11Hf0.03)∑1.99 (Si7.99Al0.12)∑8.11O26 (OH)4(F0.7 ...