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Spinel

Turquoise Symbolism

From Afghanistan to the Zuni Pueblo, people the world over have revered turquoise as a good luck stone for centuries. Blue as the summer sky or a robin’s…

Assembled Gemstones

An assembled gemstone is constructed from two or more combined materials. Gemstone doublets and triplets, intarsias, and rhinestones are all…

How to Use the 10X Loupe

The simple 10X loupe fits in your pocket and costs less than any other piece of gemological equipment. You’ll learn more with it than any other…

Properties of Diamond Simulants

Diamond simulants often appear in jewelry, as side stones and accents as well as centerpieces. Identifying these lookalike materials, whether…