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Pronunciation Guide
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Though there's still much to learn, it’s safe to say that we know a lot more about gems than we used to.
Gemologists— scientists who study gems— use the Mohs hardness scale to measure a gem’s hardness, or resistance to scratching.
They also study gems’ toughness, or resistance to chipping or fracturing; and their stability, or resistance to heat, chemicals, and light that can cause a gem’s color to fade.
Listen to native speakers pronounce “gems” in real conversational contexts with synchronized timestamps and subtitles.
The chamois.