Re: zorite

1999-02-01 Thread Vicente Esteve
>Dear Hogwu, I encountered following data about zorite: > NAME Sodium titanium niobium silicate hydrate * MINR Zorite FORM Na6 (Ti (Ti0.9 Nb0.1)4 (Si6 O17)2 (O H)5) (H2 O)10.5 = H26 Na6 Nb.4 O49.5 Si12 Ti4.6 TITL The OD structure of zorite REF Kristallografiya KRISA 24 (1979) 11

Re: qz plate

1999-01-29 Thread Vicente Esteve
About zero-background quartz or silicon plates you can contact with: "The Gem Dugout" 1652 PRINCETON DRIVE STATE COLLEGE, PA 16803 U.S.A. E-mail: [EMAIL PROTECTED] Best wishes! Vicente Dr. Vicente José Esteve-Cano | Universitat Jaume I [EMAIL PROTECTED] | Department of Inorgani