set of various cordierite iolite stones cutout

background blue collage collection cordierite crystal crystalline cut cutout decorative dichroite gem gemology gemstone geological geology iolite isolated jewelry lynx macro mineral mineralogical mineralogy natural object ornamental out piece polished raw rock rough sample sapphire semiprecious set specimen steinheilite stone translucent tumbled tumbling unpolished various viking violet water watersapphire white