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Tourmaline. Ouarzazata Prov., Anti-Atlas, Souss -Massa-Draa Region, Morocco. Available in our online shop @ www.ontherockschicago.com #crystalcollector #tourmaline #rareminerals #morocco #chicago #chicagoreader #mineralsforsale #mineralcollection #crystals #gemsofig #gemporn #gemandjam #mindat #crystalsofig #igdaily #igaddict

ontherockschicago

A brief article I co-authored with Ziyin Sun, a researcher at the Gemological Institute of America, is now available online in the journal Gems and Gemology. This is my first time being published in a peer reviewed journal. Small amounts of dark blue tourmaline have been trickling out of Sapphire mining operations in the Koksha Valley north of the famed Lapis mines of Afghanistan, so we set out to determine the chemistry of these tourmaline. https://www.gia.edu/gems-gemology/winter-2016-gemnews-blue-dravite-uvite-tourmaline-koksha-valley-afghanistanThanks to salmangems85, as well as Peter Slootweg FGA from the mindat.org forums for their help.

bluelicorice
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