How Precious Stones Are Formed - Gem identification is part detective work, part art. Web an introduction to gem identification. Learn how gemologists can distinguish. Web precious gems are formed in different ways and composed of different materials, meaning their appearances vary vastly.
Gem identification is part detective work, part art. Web an introduction to gem identification. Learn how gemologists can distinguish. Web precious gems are formed in different ways and composed of different materials, meaning their appearances vary vastly.