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Techniques for CollectorsExact XRD peak-list

17th May 2012 23:58 UTCEmil Box

Which XRD peak lists are the best?

Webmineral, Ruff, Mindat, Mineralienatlas can differ, f.i. reyerite, truscottite.


Thanks for your comments.

Milo

18th May 2012 02:31 UTCHenry Barwood

They all will have variations. The data is only as good as the lab/researcher collecting it. The ASTM JCPDS data files are best, but very expensive. I like RRUFF, but it is still in development

18th May 2012 20:57 UTCUwe Kolitsch Manager

The best is the one that you calculate from a crystal structure (data files for a lot of minerals, even though not all, can be downloaded from the American Mineralogist Crystal Structure Database - check link on each Mindat mineral page).

The RRUFF database offers measured downloadable datasets which might be helpful if there is preferred orientation.
 
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