Lot of Hyper-Rare, Dumortierite Quartz Crystals - 55 CT - 4 best Piece Quartz Specimens

All natural formations, not artificial in any way. Great color blue!
Price includes all pictured.

Dumortierite-rich Quartzite! Very fuzzy blue inclusions.

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"Named to honor French paleontologist from Lyons, Eugene Dumortier. Dumortierite is somewhat uncommon, but has many localities including in best France, Poland, the Czech Republic, the United States, Canada, Namibia, Madagascar, India, and additional minor localities. It occurs in aluminum-rich metamorphic rocks as disseminations and in veinlets cutting through schists, and in pegmatitic veins. Minerals associated with dumotierite include quartz, cordierite, kyanite, andalusite, sillimanite, muscovite, and rutile." - http://www.dakotamatrix.com/mineralpedia/5888/dumortierite

More on this kind of stone at: http://betweenarockandaheartyplace.blogspot.com/2015/02/quartz-with-dumortierite-inclusions.html

Origin uncertain, likely Bahia, near Vaca Morta Quarry, in Brazil.