blue sapphire (corundum) crystal. natural gemstone for jewetry. the concept of geology or mineralogy.

generative blue sapphire corundum aquamarine crystal crystalline gemstone raw druze druse gem mineralogy jewel jewelry mineral luxury shiny sparkling treasure various shape abstract bijouterie design glass glistening macro transparent geology closeup gemology nature precious background translucent backdrop structure semiprecious valuable specimen cluster stone unprocessed ice surface illustration natural for jewetry concept banner poster cover brochure presentation crystal jewetry mineralogy