72.03 Phyllosilicates Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
72.03.01 Apophyllite group (4- & 8-membered rings)
72.03.01.00 Apophyllite* KCa4(Si4O10)2F•8(H2O) P 4/mnc4/m 2/m 2/m
72.03.01.01 Apophyllite-(KF) (K,Na)Ca4Si8O20(F,OH)•8(H2O) P 4/mnc4/m 2/m 2/m
72.03.01.02 Apophyllite-(KOH) KCa4Si8O20(OH,F)•8(H2O) P 4/mnc4/m 2/m 2/m