william kossack wrote in message news:rwU5d.125625$D%.85245@attbi_s51...
I have some lapus nugets that I would like to break up and use in a
couple projects.
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I tried the steel pipe approach. Although it crushed the stone, the
small fragments were mixed with steel dust.

A simpler method is to buy the crushed stone from Bill Baumbeck at
Arizona Silhouttes.I did and the crushed turquoise, malachite, lapis,
iron pyrites etc work well as inlays.
Larry
Hand Turned Pens at http://webpages.charter.net/lgottlieb2/