Because Opal has the colour of other gems, the Romans thought it was the most precious & powerful of all. The Bedouins believed that opals contained lightning & fell from the sky during thunderstorms. When Australia's mines began to produce opals commercially in the 1890s, it quickly became the world's primary sourece for the October birthstone.
Rhodolite is a variety of garnet. It's name is derived from two Greek words meaning rose stone. It displays all the brilliancy an fire of the garnets.