qz plate

1999-01-29 Thread Natale Perchiazzi
Dear All, Who can tell me where can I buy a zero-background quartz (or other material) plate? Thanks in advance for you attention § Natale Perchiazzi Dipartimento di Scienze della Terra Università degli Studi di Pisa

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

Re: Preferred orientation and clay minerals

1999-01-29 Thread Armel Le Bail
At 12:04 19/01/99 +0100, Lubo wrote: Hi Armel, I am sure you will not be satisfied by this answer, but my solution to this problem is : USE transmission geometry. We have been doing it for years getting nice results for kaolinites, micas, vermiculites and smectites, not to speak of some organic