Non Porous Gemstones

Examples: natural Alexandrite, synthetic/created Alexandrite, Amethyst, Aquamarine, Citrine, Cubic Zirconia, natural Diamond, synthetic/man-made Diamond, synthetic/created Emerald, Garnet, Moissanite, Peridot, natural Ruby, synthetic/created Ruby, natural Sapphire, synthetic/created Sapphire, Topaz, Tourmaline, Zircon.

Non porous gemstones are usually smooth, they do not absorb liquids and can safely be cleaned with jewellery cleaners. They are also the most common in jewellery.