Vintage Amethyst Gold Tone Bumblebee Brooch Pin. Two Amethyst gemstones in prong settings. 7mm round Amethyst gemstone and a 8mm x10mm oval cut Amethyst gemstone. Brooch/Pin is 25.55mmx24.80mm Has a safety pin back with locking function and has clasps that is easy to open and shut and securely fixed to back of brooch.