To learn of the historical properties of many of the stones that comprise Tony Malmed Jewelry, please refer to this Vogue article, authored by Alexandra Malmed.
The History and Lore of Gemstones | Vogue
Tony Malmed Jewelry is comprised of precious gemstones of the highest quality —moonstones, Australian opals, emeralds, rubies, sapphires and tourmalines of different shades and colors, American turquoises, Afghani lapis, sugilite from the Kalahari, and so forth.