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Fine quality Kyanite may be confused in appearance with spinel or blue sapphires from Burma.  Kyanite name derives from the Greek word "kyanos", meaning deep blue. Kyanite is also of interest because of the extreme variablity in hardness with direction. In one direction, the hardness is 4.5 and in the other it is 7. Very easy cleavage is encountered in one direction with a less perfect cleavage occurring at 74 degrees to the first.

The finest gem quality Kyanite may be confused in appearance with spinel or blue sapphires from Burma. Kyanite name derives from the Greek word “kyanos”, meaning deep blue. It occurs in light to dark.

Wire Wrapped Electric Blue Kyanite Necklace Oxidized Black Sterling Silver Simple Deep Blue Winter Fashion. $45,00, via Etsy.

Wire Wrapped Electric Blue Kyanite Necklace Oxidized Black Sterling Silver Simple Deep Blue Winter Fashion. $45,00, via Etsy.

3.20ct Natural Kyanite royal Blue oval cut & blue by EVGAD on Etsy

Natural Kyanite royal Blue, oval cut & blue sapphires 925 Sterling Silver ring all sizes

2ct Natural Kyanite Ocean Blue oval cut & blue sapphires by EVGAD

Natural Kyanite royal Blue, oval cut & blue sapphires 925 Sterling Silver ring all sizes

7.75cts Natural Royal blue Kyanite oval cut & blue by EVGAD

Natural Royal blue Kyanite oval cut & blue sapphires 925 sterling silver ring all sizes

1.55ct Natural royal blue Kyanite & blue sapphires by EVGAD

Natural royal blue Kyanite & blue sapphires Sterling 925 silver engagement ring (available in gold, Platinum, Palladium) all sizes

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