The eight crystal systems cover all the precious and semi-precious stones used and known in the fields of jewellery, gemmology, and lapidary. Once you have memorized it, you will find it much easier to identify each mineral.
Is there a group of gemstones more intriguing and complex than garnets? This gem represents such a significant part of our industry. With more than 20 categories, garnet is, indeed, a wonderous and diverse stone.
If only one thing could be said about this year’s Tucson GemFair, it’s that the events comprise, without a doubt, the most significant gem show around, as well as the largest gathering of jewellers and gemmologists from around the world. Passion made this show happen—and the same passion will make it continue.
One rarely wonders if there is more to the hardness of gemstones beyond what is at face value. After all, once you have the Mohs scale down to a science, what other use could this knowledge bring to your business? We understand diamond is 10, corundum is 9, and the rest follow as easily as a fish downstream (or, I suppose, a pearl in an oyster).
Coloured gems sell—we don’t even need to classify them as ‘precious’ and ‘semi-precious’ anymore. Depending on a stone’s provenance and rarity of colour and size, today’s shoppers are willing to dig deep into their pockets and shell out serious money for many rainbow-hued gemstones.
“What’s special about these garnets is the wonderful colour—an intense purple with red flashes we call ‘royal purple,’” says AJS owner, Arnold Silverberg. “The Mozambique material in particular has a bright open colour with wonderful brilliance.”
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