Newly updated and expanded, COLORED GEMSTONES gives you all theinformation you need to buy, collect, sell-or simply enjoy-sapphires, emeralds, rubies andother colored gemstones with confidence and knowledge.
Newly updated and expanded, COLORED GEMSTONES gives you all theinformation you need to buy, collect, sell-or simply enjoy-sapphires, emeralds, rubies andother colored gemstones with confidence and knowledge.
