Gemology

Gemology or gemmology is the science dealing with natural and artificial gemstone materials. It is a specific interdisciplinary branch of mineralogy. Some jewelers are academically trained gemologists and are qualified to identify and evaluate gems.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 4.0

JEWELPEARL

Pearls, understood — types and grading, sizing and care, and the calculators that take the guesswork out of buying and stringing them.

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