Rough Dumortierite In Quartz
This listing is for 1 rough Dumortierite in Quartz stone
The size of these stones are approx: 2 - 2 1/2"
Dumortierite was first described in 1881 for an occurrence in Chaponost, in the Rhône-Alps of France and named for the French paleontologist Eugène Dumortier. It typically occurs in high temperature aluminium-rich regional metamorphic rocks.
It is used in the manufacture of high grade porcelain. It is sometimes mistaken for sodalite and has been used as imitation lapis lazuli.
Sources of Dumortierite include Austria, Brazil, Canada, France, Italy, Madagascar, Namibia, Nevada, Norway, Poland, Russia and Sri Lanka.