I should have bought this one...FluorineFluorine (2)Stones_04Stones_05Ammonite one of my favouriteAmmonite different angleA stone from Mars... maybe ;o)AmethystDiopsideammonite with crystal inlaysAmmonite with crystal inlays, other angleDiopside ?A fossil fernQuartz with amethyst inclusionTourmaline on quartzAmmonite (2)Simple transparent quartzGypse ? Fluorine ?