.gf { font-family : constantia, georgia, serif; line-height : 0.8; } .gf sup { position : relative; top : -1px; font-size : 82.5% !important; margin : 0; padding : 0; } .gf sub { position : relative; bottom : 1px; font-size : 82.5% !important; margin : 0; padding : 0; } .mphsis {font-size : 110%; } .footnote {margin: 0px 12px; font-size: 80%; line-height: 95%; text-align: justify;} .footnote p {text-indent: 12px; text-align: justify;} Brazilian ruby and emerald button beads with Multicolor Czech crystal rondelles. Round beads, findings and lever-backs are 14⁄20 gold-fill. Emerald is a gemstone and a variety of the mineral beryl colored green by trace amounts of chromium or sometimes vanadium. The word emerald is derived from Old French esmeraude, Middle English emeraude, and Vulgar Latin esmaralda. Ruby is one of the traditional cardinal gems, alongside amethyst, sapphire, emerald, and diamond. The word ruby comes from ruber, Latin for red. The color of a ruby is due to the presence of chromium. Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem-quality corundum are called sapphires, and rubies are also sometimes referred to as "red sapphires".