agat texture background, polished gemstone surface pattern, glittering crystals, yellow-green gem mockup

agate quartz surface nature mineral texture background pattern wallpaper copy space copyspace mockup mock template banner stone macro rock crystal geology structure rare color detail pure esoteric decoration gem marble onyx slab gems gemstone natural jewel treasure crystals close glittering shiny geode cubic brown white nesosilicate silicate agat polished yellow-green raw