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.

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.

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".