Approx. 4mm L x 4mm W 14 Karat Gold Charm 14K Yellow GOLD Small Amethyst Bead Amethyst is the birthstone for February. Items are not necessarily shown actual size and may be enlarged to show detail. All screen resolutions are different so please note actual measurements. MEANINGS AND SYMBOLISM: The Amethyst reflects peace of mind. It represents strength, stability and peace.