Black Spinel 10mm Natural Round - 15-16 Inch rqtz-spe-str The proper name for Rosewood

The proper name for Rosewood is Petersianthus quadrialatus

White Howlite is named for Canadian mineralogist Henry How

The material comes with variety of tan and crimson matrix colors which create a striking contrast to any color it may be enhanced

who first discovered the stone in Southern California in 1868

Black Spinel 10mm Natural Round - 15-16 Inch rqtz-spe-str The proper name for RosewoodSpinel 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.