October: Opal October babies can choose from two marvellous birthstones, with opal being one of them. It is believed that its name is derived from the Sanskrit word upala , meaning "precious stone".

Europeans have long considered the gem a symbol of hope, purity, and truth. Opal is considered an October birthstone. Some people think it’s unlucky for anyone born in another month to wear an opal.

Start the day smarter. Get all the news you need in your inbox each morning. October has two birthstones: opal and tourmaline. Opal is the traditional birthstone for October. It is believed the ...