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GemStone Press is an international source for books, gem-identification equipment and other items designed to help consumers and
people in the gem trade learn more about jewelry, gems and gemology. GemStone Press books are easy to read, easy to use.
They are designed for the person who does not have a scientific or technical background.

Tools of the Trade

 IN THE NEWS

JCK Magazine
The Ruby Ruse: How Jewelers Can Avoid the Lead Glass–Filled Gems

What happens when undisclosed lead glass–filled rubies enter the market? Here’s how retailers can avoid disastrous results.
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