Dumortierite 12mm Coin 8-Inch Yellow It displays a visual property

It displays a visual property called “pleochroism

as well as a prismatic quality that differentiates it from other varieties of Moonstone

green and brown to the more rare violet and pink

as it is softer than both Jasper and Rhyolite

The stone can also include its namesake sage green

Dumortierite 12mm Coin 8-Inch Yellow It displays a visual propertyDumortierite 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.