Show the new quartz indu industry s try in the ibe past few years tile the smelting smelling sm elting of 0 quartz to be cast into a great va variety 11 ot of vases capsules crucibles cruci bles I 1 hollow loti holi tubes and so forth has haa considerable 1 e industrial importance quartz me incited cited in the electric furnace form a glass of iridescent brilliance with which many kinds of je jewels wels and ornaments are made it can be colored with great case and la in a great variety of tones and in lab apparatus made of ginel ted quartz lias has beccie practically indis india pea sable |