Spinel, a gem which includes historically been mistaken for other coloured gemstones, most notably ruby, is creating history in its individual proper in 2016, becoming a member of the Formal listing of birthstones as yet another gem option for the thirty day period of August. Peridot includes a tonic effect https://www.gemsbiz.com/blog/explore/the-august-birthstone-peridot-spinel-sardonyx