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November 13, 2020 @ 7:45 pm - 9:45 pm
On Friday, November 13! a Zoom presentation will be given by Prof. Steve Okulewicz from the Department of Geology, Environment & Sustainability of Hofstra University, L.I. NY. He will discuss some of the lapidary arts including types of diamond saws, grades of polishes, the making of cabochons, gemstone faceting, types of tumblers, gemstone drilling, and types of mineral carvings. The SIGS meeting will start at 7:30 pm and the presentation around 7:45 pm. Please note that future meetings will be ONLY open to paid members.