Substantial 16.48ct untreated Imperial Tourmaline

Don't miss this giant collectors gemstone! This impressive tourmaline exhibits a gorgeous whiskey hue with glittering mandarin flashing and an understated violet undertone, all under a glistening superior luster. It has incredible size, measuring 18.3mm x 13.5mm x 9.3mm, and a Mohs hardness rating of 7.5 out of 10. Sourced from Mozambique. Untreated!