What's New
June 18, 2009
Dioptase in Quartz
Spinel Law Twinned fluorite from Naica, Mexico
Purple Topaz on Quartz
Premier Minerals from Tucson 2009
December 17, 2008
Ralph Clark Thumbnail Collection
Click here to see his biography (PDF, 1.6 MB)
Photo by Cal Graeber
Click the image below to see his specimens.
