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Tagged: Onyx

Below you will find content on the site that is "tagged" with the topic: Onyx.

Fine Jewelry University

  1. Gem in the Spotlight: Quartz

    FJU Category: Gemstones | Tags: Amethyst, Citrine, Gem Spotlight, Gemology, Quartz

    Quartz is one of the most common minerals on earth. Many of quartz’s gems are common for gemstones but, some varieties are very rare. Some are Plain Jane like rock quartz, others are exotic like Drusy Quartz. Some quartz material is a dollar per pound others are $1,000 per carat. Quartz is a gemstone with surprising variety... read more »

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Tagged: "Onyx