Here's the complete list of 30 mineral specimens on the disk: rhodochrosite, Argentina; crocoite, Dundas, Tasmania; selenite, Australia; calcite, Brazil; fluorite, Yaogangxian Mine, China; fluorite, Yaogangxian Mine, China; pyromorphite, China; orpiment, Shimen, China; mimetite, China; stibnite, China; fluorite, Rogerley, England; cavansite, stilbite, and heulandite, India; mordenite on chalcedony, India; cuprite, Kazakhstan; cobaltoan calcite, Morocco; vanadinite, Morocco; grossular and calcite, Gilgit, Pakistan; barite and wurtzite, Peru; fluorite and quartz, Pasto Bueno, Peru; gold, ferberite and quartz, Peru; rhodochrosite, Peru; rhodochrosite, calcite, and quartz, Peru; calcite, Peru; heubnerite, fluorite, and quartz, Pasto Bueno, Peru; realgar, Romania; beta quartz, Dal'negorsk, Russia; galena, Dal'negorsk, Russia; orpiment, Russia; fluorite, Spain; wavellite, Arkansas.

Here's a link to a hi-res version of this picture.