pvc flooring.
Emeralds Stones.
Gemstones like emerald and ruby.
Diaspore ( zultanite) peridot, citrine, malachite, amethyst, ametrine, aquamarine, amazonite, moonstone, garnet, selenite.
Rough gemstones tourmaline, emerald, morganite, ruby, sapphire, spinel, alexandrite.
Limestone.
Natural emerald crystals.