If you were born in the month of October you have a couple options for your birthstone. The traditional birthstone is the Opal, the more modern option is Tourmaline, and an alternative to Opal is Opalite. Both opal and tourmaline can come in a variety of different shades. The range of colors helps make October birthstone jewelry very versatile. Opal is the traditional birthstone for October. Depending on the stone colors can vary between green, blue, pink, yellow, orange, and