Dumortierite 10x20 Double Drill 8-Inch Stone Type_Charoite from pastel to bright to

from pastel to bright to dark

among other numerous names

this wood variety is so hard that it is often used in heavy construction for beams

It is believed by some to improve memory and increase analytical skills

originally from the Lapis-Lazuli mine in Afghanistan

Dumortierite 10x20 Double Drill 8-Inch Stone Type_Charoite from pastel to bright toDumortierite is an aluminum borosilicate mineral that varies in color from blue, green and brown to the more rare violet and pink. First described in 1881, the mineral was named for French paleontologist Eugene Durmortier (1803 1873). It is believed to bring the wearer water energy and to promote flow, control and orderliness.