Black Spinel 10mm Natural Round - 15-16 Inch rqtz-spe-str White Howlite is named for

White Howlite is named for Canadian mineralogist Henry How

rainbow effect of light refracting off of the air bubbles inside of the stone

Garnet was used as far back as the Bronze Age

and protective stone which promotes strength and vitality

Viking explorers used thin pieces of Iolite as the world’s first polarizing lens to help them determine the exact location of the sun for navigation

Black Spinel 10mm Natural Round - 15-16 Inch rqtz-spe-str White Howlite is named forSpinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not only has the dark color, but it is opaque as well, rendering its black especially deep and mysterious. Sometimes called the "Black Prince's Ruby" for its role in the English crown. It has been mistaken for ruby and sapphire at times, but can be distinguished by its structure and its lower relative hardness.