E13 - Opal is Mother Nature’s painting on a gemstone

It holds all the colors of the most important gems in the world: the red of the Ruby, the blue of the Sapphire, the green of the Emerald, and the yellows of the Canary Yellow Diamond. Opal is Mother Nature's painting on a gemstone, and its value is correspondingly high: Don Kogen has paid $200,000 for a single deposit of Opal before. List ... See more
Jul 11 2022