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Fine Jewelry University Articles matching: “Heart shaped gems”

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Gem in the Spotlight: Topaz

FJU Category: Gemstones | Tags: Colored Gemstones, Folklore, Gem Spotlight, Gemology, Jewelry History, Topaz

… variety, while colorless topaz is often the least expensive. The modern era has given us many new advances in gems. One of the biggest is blue topaz. Gem suppliers use a neutron bombardment method in a nuclear reactor to produce the …, to violet, to green. These coatings can allow topaz to be any color of your preference. Topaz itself is a hard gemstone with a Mohs hardness of 8. Mohs hardness is a standardized metric of how difficult it is to scratch something. For …