Tsavorite Alternate Birthstone for May A Variety of Grossular Garnet Tsavorite is a variety of green grossular garnet. It is one of the newest of the precious gemstones discovered in 1967. It occurs in shades of green ranging from spring-like pale green to intensely bluish green to deep forest green. Often compared to emerald, tsavorite is a superior choice in many ways. Tsavorite is not only more durable than emeralds, it is also more highly dispersive and refractive. Tsavorites are not treated with oils or resins as emeralds typically are.

 

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1Earth Antiques & Appraisals Magazine > Jewelry > Expert Tip: Gemstones > Moonstone

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Moonstone
  

June
Traditional Gem: Alexandrite
Modern Gem: Pearl, Moonstone

Amazonite

MOONSTONES The most sought after moonstones are bluish with a milky tinge. Lesser quality stones are a rather dull grey, sometimes with a hint of yellow. The moonlit, blue-silver sheen was enhanced by cutting the stones as cabochons and setting them in silver mounts.

 Moonstones were particularly popular in the art nouveau period, when the fashion was for light, delicate jewellery. They are often seen in conjunction with other stones, including amethysts, aquamarines, chalcedony, emeralds, tourmalines, opals and freshwater or river pearls, and were frequently used to decorate the headings of hair combs, or in earrings, rings and, most beautifully of all, in delicate pendants.

 

   
 

 

Gemstone Composition Crystal System Density Hardness Refractive index Treatments
Sapphire Al2O3          

Garnet Group

Almandite
Andradite
Grossular
Pyrope
Spessartite
Uvaravite

Tsavorite is often confused with:

Peridot
Demantoid
Emerald
Tourmaline
Glass
Plastic

 

 

 



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