Birth Stones - Stones by Birthday - Birthstone
If you did not know. You have more than one stone suitable and according to your birthday, this is a list of the stones that are related to your birth and are for your use. Check your birthday stone and send a message to email@example.com to know the choices we have for you (not all of the stones in the list are available but we still have many choices for you).
Source: "The Essential Guide to Crystals, Minerals and Stones" by Margaret Ann Lembo