Dumortierite 8mm Round AAA Grade - 15-16 Inch Q2-2022-Clearance Delicate veining

Delicate veining

but can be distinguished by its structure and its lower relative hardness

air bubbles or black carbon deposits

Many of the earliest gem traders did not realize that these yellowish stones were actually different materials

Dumortierite 8mm Round AAA Grade - 15-16 Inch Q2-2022-Clearance Delicate veiningDumortierite 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 to 1873). It is believed to bring the wearer water energy and to promote flow, control and orderliness.