PDCgems
Iolite
$80
Iolite is one of the few stones that shows marked pleochroism. It can be purplish blue to colorless and yellowish depending on the angle of view. It is very easy to distinguish from other stones of this color.
Variety: Cordierite
Color : Blue
Dimensions : 6.50 mm
Weight: About 1.10 ct
Shape : Square princess cut
Treatment: None
Hardness: 7 - 7.5
Actual product colors may vary from colors shown on your monitor.