David try these links for internal quartz carving
a… Lapidary Journal has featured Gary’s carvings numerous times in
“Facets”, and in its April, 1996 issue with the article, “Portrait
of a Free Bird”. Gary Knack knackart@teleport.com
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b… http://www.gemartists.org/Susan.html
c… http://jewelryshowonline.com/nude.htm
d… The StarCarver aka John Koontz
http://www.starcarver.com/museum.htm
e… http://vrockshop.com/internal.html
Hope these links help.
Karen Seidel-Bahr
the ‘ROCKLADY’
May your gems always “Sparkle”