Blue Spinel, 1.07 ct Faceted from Tanzania

This is a somewhat unusual spinel in that it has a sort of silvery look to it. It shifts back and forth between more of a blueish color and more of a purplish color, and also seems to have some gray or maybe even green in it. It has great brilliance .and shows good dispersion, or multi-colored flashes. Color: Silvery Blue Purple, Cut: Fancy Barion Pentagon, Weight: 1.07, Dimensions: 6.4 x 7.2 mm. (Information supplied by photo contributor.) © Daniel Stair, CustomGemstones.com

Credit: Daniel Stair, CustomGemstones.com 2014