| 1. | Gold and silver frequently are embellished with diamonds and other gemstones.
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| 2. | So was a black beryl gemstone, also described in 1882.
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| 3. | What is rare are naturally-produced pearls of gemstone quality.
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| 4. | Only one oyster in thousands contains a pearl of gemstone quality.
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| 5. | There's a show in Tucson every year of gemstones.
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| 6. | Countries that buy Sri Lanka gemstones have also cut their imports.
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| 7. | The ivory was concealed under a thick layer of uncut gemstones.
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| 8. | Myanmar and many African countries are key sources of raw gemstones.
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| 9. | The hardness of diamond contributes to its suitability as a gemstone.
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| 10. | Synthetic, cultured or lab-created gemstones are not imitations.
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