Hyper Rare. Dumortierite Quartz Crystal retailer - 6.6 CT - 1 Piece Quartz Specimen. 8902, Hyper Rare. Dumortierite Quartz Crystal - 6.6 CT - 1 Piece Quartz Specimen. 8902 sales
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Hyper Rare. Dumortierite Quartz Crystal retailer - 6.6 CT - 1 Piece Quartz Specimen. 8902, All natural formation not artificial in any way Dumortierite-rich Quartzite Weight66CtLength11mmWidth8mmHeight13mmPlease disregard the.
All natural formation, not artificial in any way. retailer
Dumortierite-rich Quartzite!
Weight6.6Ct
Length11mm
Width8mm
Height13mm
Please disregard the item weight in the shipping section.
"Named to honor French paleontologist from Lyons, Eugene Dumortier. Dumortierite is somewhat uncommon, but has many localities including in 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.