October Birthstone – Opal and Tourmaline

December 28, 2009 by  
Filed under Birthstones

You have two choices for October’s birthstone. Surprising or not, October has not one birthstone but two: Opal and Tourmaline. The first is the more popular one because it is more abundant. Not many know that Opal is actually the national gemstone of Australia which produces most of these more than 95% of the black [...]