Purple Tiffany Stone Ring, size 8
Tiffany stone ring.
Tiffany stone is a trade name for a variety of fluorite that exhibits swirl patterns and small impurities of quartz, opal, chalcedony and bentrandite.
Geologically, Tiffany stone is a rock composed primarily of fluorite with smaller amounts of opal, calcite, dolomite, quartz, chalcedony, bertrandite and other materials. Other names used for Tiffany stone are "opalized fluorite," "ice cream stone," and "bertrandite."