Iolite
Pleochroism is very pronounced in iolite and is seen as three different color shades in the same stone violet blue, yellow gray and a light blue.
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0.60 CTS Iolite Round Cut Natural Loose Gemstone
$22.80These fine Iolite gems will display a bright pure purplish blue color of rich deep tone (as picture shows). These gems have been faceted to a very high professional lapidary standard and have a very good make, polish and symmetry. It has a clarity rating of Almost Loupe Clean (VVS), meaning there's Very, very slight inclusions; inclusions barely seen under 10x magnification. Very nice purple/blue. Well cut. Learn More