The rich dark colors of obisidian, Druzy, Iolite and Amethyst make the stones stand out with stunning clarity against the high shine of the sterling. Pendant with 20mm round carved rainbow obsidian face, 7mm round Druzy, four 7x5mm pear faceted Iolites, and 7x5mm oval faceted Amethyst; 5/8" bail; total length 1 7/8"; 18" snake chain included.