Gem Encyclopedia

Topaz

Honey yellow. Fiery orange. Cyclamen pink. Icy blue. In warm or cool tones, topaz is a lustrous and brilliant gem.

The Facts

Colorless topaz treated to blue is a mass-market gem. Fine pink-to-red, purple, or orange gems are one-of-a-kind pieces. Top sources include Ouro PrĂȘto, Brazil, and Russia's Ural Mountains.

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Diamond

A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum

The Facts

Rubies have always been held in high esteem in Asian countries. They were used to ornament armor of noblemen in India and China.

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