METEORITE IMPACT GLASS 10.566 lb. LECHATELIERITE SIMILAR TO LIBYAN DESERT GLASS
Pure silica quartz impact glass, like Libyan desert Impact glass pure silica quartz. The graph shows pure silica & oxygen. They will be testing the Fluorescents of the glass, it was so Fluorescent it blew the Roman scope off the charts had to set it to 1 to read it.