continuous pattern of growing druze of topazes

background texture pattern repeating continuous crystal grain druse crystallite mineral semiprecious gem stone jewel precious geodes ore shine splendor gloss glitter brilliance luster glisten sparkle burnish glint stalagmite cave cavern grotto den hollow grot underground subterranean subterraneous belowground sapphire corundum iolite zircon turquoise topaz aquamarine blue azure cyan