Stunning October Birthstones: All You Want to Be aware Congratulations to October-born babies! Blessed with a shimmering Opal gemstone, you seem to be the luckiest person with a positive attitude. We know you’re kind, passionate, helpful, and confident, however, this versatile stone in your life heightens your career and personality to the next level. Renowned as a “queen of gems” Opal is a captivating October Birthstone Meaning as well as a semi-precious crystal that connects October-born individuals to the spiritual world.