Natural Blue Cobalt Spinel 2.13 ct – Cushion Cut, Untreated, GFCO Certified

The Ultimate Guide to Precious Gemstones

Discover the Enchanting World of Gemstones!

From the fiery red of a ruby to the deep blue of a sapphire, gemstones have fascinated humanity for millennia. Each stone tells a story of mystery, origin, and symbolism– shaped over millions of years inside the Earth. In the Sosna Gems Gemstone Encyclopedia, you’ll uncover the secrets of emeralds, spinels, and many more rare gems. Learn how ancient civilizations treasured them as talismans, why some stones became symbols of royalty, and how they continue to hold timeless value today. Step into this world of color and brilliance – and discover the gem that speaks directly to you.

Gemstone Encyclopedia