Zorite

General Information: Chemical Formula:Na6Ti5[Si12O34](O,OH)5·11(H2O) Composition:(Molecular Weight = 1,538.53 gm)Sodium 8.97 % NaTitanium 15.56 % TiSilicon 21.91 % SiHydrogen 1.57 % H Oxygen 52.00 % O  Empirical Formula: Na6Ti5Si12O37(OH)2·11(H2O) Environment:Fractures and cavities in alkalic pegmatite. IMA Status:Approved IMA 1973 Locality:Jubilee pegmatite, Lovozero massif, Kola Peninsula, Russia. Name Origin:Named from the Russian for "rosy tint of the dawn sky."Physical Properties: Cleavage:[010] Perfect, [001] Perfect, [110] Good Color:pink. Density:2.36 Hardness:3-4 - Calcite-Fluorite Luster:Vitreous (Glassy) Streak:whiteMore details...

Na2Ti(Si,Al)3O9 n(H2O)