The reyerite group includes: kodamaite: Na3(Ca5Na)Si16O36(OH)4F2.(14-x)H2O (x ≈ 5) minehillite: (K,Na)2Ca28Zn5Al4Si40O112(OH)16 reyerite: Na2Ca14Al2Si22O58(OH)8.6H2O Back to Minerals