Has anyone tried this?
http://www.geus.dk/program-areas/common/the_borax_method_2011.pdf
http://youtu.be/X6Sawj0HyF0
Further information
Senior Research Geologist, Peter W.U. Appel
E-mail:
[email protected]
http://www.geus.dk/geuspage-uk.htm
Thought it had merits