background with amethyst crystals. crystals with druze. for banner, poster, cover, brochure

amethyst crystal crystalline druze raw druse geode creativity digital futuristic stone nature glass mineral gem abstract macro background structure art geology bunch formed gemology jewel jewelry precious semiprecious gemstone treasure mineralogy cover design backdrop template wallpaper pattern rock valuable clear translucent quartz closeup transparent rough glossy illustration crystals for banner poster brochure presentation crystals druze