Gem Encyclopedia

Turquoise

Azure sky, robin’s egg blue: Vivid shades of turquoise define the color that’s named after this gem.

The Facts

Ancient peoples from Egypt to Mesoamerica and China treasured this vivid blue gem. It’s a rare phosphate of copper that only forms in the earth’s most dry and barren regions.

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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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