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1.66 ct. Chromium / Vanadium Kyanite

Color:  Medium Dark Slightly Greenish-Blue Clarity:  Eye Clean
Origin:  Tanzania Cut:  Oval Portuguese
Treatments:  None Measurements:  8.5 x 6.3 mm

Here is an oddity for the gem enthusiast with an interest in Kyanite.  A decade ago a small deposit of gem Kyanite from Madgascar was found to contain significant amounts of the elements Vanadium and Chromium.  See the Fall 2007 issue of Gems and Gemology for a write-up of this material.  These elements contributed to an attractive gem greenish-blue color that is unusual in gem Kyanite - more more well known are the greenish stones from Brazil and the deep blues from Nepal.  This interesting gem is from a newer find of this material in Tanzania - the deposit has produced gems with the same saturated greenish-blue color of the Madagascar finds. 

This an exceptional gem for the find - the color is intense and bright and the stone is almost completely clean.  Additionally, the cutting is very well done for Kyanite and offers a rare chance to enjoy the brilliance this species is capable of.

$150 / carat - $249 total