Dumortierite

Origin: Unknown

Color: Blue, White

Approximate Mohs Hardness: 7-8

Natural, Untreated

Description

Lapidary grade Dumortierite is often found as a blue-colored inclusion in quartz. Due to the blue coloration, Dumortierite is often mistaken for Lapis Lazuli or Sodalite.  Dumortierite seldom produces a high polish.  When polished it usually has a silky or dull appearance.