2.13ct Natural Earth Mined Purple Spinel 8x7.3mm

2.13ct Natural Earth Mined Purple Spinel 8x7.3mm Oval. The Ruby and Sapphire Impostor Spinel is a gemstone mineral that has been confused with ruby and sapphire for over 1000 years. Several of the most spectacular spinels ever discovered have been mounted in "crown jewels" and other "jewelry of significance" under the assumption that they were rubies or sapphires.