Sunset Dumortierite 8mm Large Hole Rondelle 8-Inch Stone Type_Black Tourmalinated Quartz it lightens because of further

it lightens because of further weathering and becomes Malachite

Its chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light

thought to be derived from trace amounts of titanium

Prehnite is translucent to transparent

Sunset Dumortierite 8mm Large Hole Rondelle 8-Inch Stone Type_Black Tourmalinated Quartz it lightens because of furtherSunset Dumortierite has a much brighter palette than regular Dumortierite, from light blue to lapis blue to cobalt, as well as some occurrences of dark gray. Dumortierite 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