CRYSTAL GAZING • DICTIONARY ONE.COM • Definition of Crystal gazing

... coin of the sixth or seventh century A.D., well-equipped canoes (a common attendant of crannogs), the greater part of a stone inscribed with concentric circles, a cupped stone, and a large quartz crystal of the kind which Apaches in North America, and the Euahlayi tribe in New South Wales, use in crystal gazing. In early ages, after the metals had been worked, stone, bronze, and iron were still used as occasion served, just as the Australian black will now fashion an implement in "palaeolithic" wise, with a few chips; now will polish a weapon in "neolithic" fashion; and, again, ...

— The Clyde Mystery - a Study in Forgeries and Folklore • Andrew Lang