Keywords
agate, amorphous, bands, chalcedony, concentric, cross section, cross-section, cryptocrystalline, crystal, crystalline, crystals, cut, earth science, gem, gemstone, geode, geological, geology, graded, macrocrystal, macrocrystals, microcrystal, microcrystals, mineral, mineralogy, pattern, patterned, patterns, polished, quartz, rings, section, sectioned, silica, silicon dioxide, slice, stone, surface, variegated, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u11960842