October has two birthstones: opal and tourmaline. Why does October have two birthstones? Some months have multiple birthstones, chosen for their distinct properties or meanings. For example, October has two birthstones—allowing for more options and personal preference to play a role in selecting which birthstone represents you best.

October babies are fortunate enough to have two birthstones thanks to the National Association of Jewelers. In 1952, the organization decided it was time to standardize the list of birthstones. Having two birthstones is also due to the simple fact that variety makes for a more accessible and flexible approach to purchasing birthstone jewelry.

The reason for there being two birthstones for October instead of one is due to the simple fact that variety makes for a more accessible and flexible approach to purchasing birthstone jewelry. Around the world and throughout many different cultures, birthstone jewelry is taken very seriously.

October Birthstones: Why Two? At some point, many were concerned that the opal was too feminine for all tastes; thus, tourmaline was added to October's birth gem repertoire. More recently, the pink shade of tourmaline was designated for the month of October.