LXY Stone is one of the best China black agate color gemstones ... Agate, Amethyst, Blue Astroies, Ice Blue Calcite, Picture stone, Xylopal, Yellow Tiger Eyes, Zebra Stone, Blue Aventurine, Blue Sodalite, Green Aventurine, Green malachite ... , golden star, lapis lazuli, red Leopard skin, blue tiger eyes, violet fluorite, yellow tiger eyes, ect.1) Standard slab sizes: 120x240, thickness ...