Thursday, May 6, 2021

Radiant Tsavorite Garnet

Photo: Geology In

An emerald is the birthstone of May babies. The gorgeous green beryl is rarer and more expensive per carat than diamonds, sapphires or rubies. Emeralds also have more inclusions than other precious or semi-precious gemstones. Unlike diamonds where clarity is prized, inclusions (in emeralds called Jardins) are accepted because natural emeralds are never clean.

If you long for a clean (free of inclusions) brilliant green stone, you might consider a radiant tsavorite garnet (Ca3Al2Si3O12) first discovered in 1967 by British gem geologist Campbell Bridges, which Tiffany and Co. began selling as jewelry in 1974. Usually when people think of garnets they visualize a cinnamon (dark red) color, which many garnets are. Yet garnets come in a variety of rarer colors. Garnets are composed of aluminum and calcium but when there are traces of 2 additional minerals, chromium and vanadium, the color is bright green and the semi-precious stone, rating a 6.5 - 7.5 on Moh's Scale of Hardness, is referred to as a tsavorite garnet. This stunning green stone, mined in Kenya (and less intense hues in Tanzania), is incredibly sparkly due to its high refractive index. 

Tsavorite is less likely to shatter than emerald because it is a stone without inclusions. Sans inclusions, tsavorite can be cut into more facets to reflect light more brilliantly than an emerald. And, tsavorite is translucent in nature without requiring treatments like heat or oil.

While emeralds are unmatched in their green-blue color, tsavorites have more brilliance or life than typical emeralds. Still both gems are undeniably gorgeous in their own right.

Finally, tsavorites are not as pricey as emeralds, so in general, you can get more value for the money, either paying less for similar sized stones, or perhaps getting a bigger tsavorite garnet for less money than what you will pay for an emerald. Definitely a radiant green stone ... a beauty of nature not to be overlooked!💚


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2 comments:

  1. PatriciaMay 7, 2021 at 3:39 AM

    What gorgeous green stones Debbie. I have always had a soft spot for an emerald, and remember Elizabeth Taylor had some beauties, as did Princess Diana.

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    1. Debra TurnerMay 7, 2021 at 9:17 AM

      Yes both lucky ladies had a set of gorgeous, huge emeralds. Unfortunately, when Ms. Taylor died, her children sold hers, so now the public never sees them. I wonder if her suite of jewelry went to separate out of the public buyers ... I think so.

      With Diana of Wales, some of her iconic jewelry pieces (including her sapphires) were gifts given to her from people outside of her family! I don't know why less privileged people never get these extravagant gifts, and if we did, other people would question the appropriateness of keeping them. Hey, obviously we don't know the right people . ;)

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