Oct 24 Birthstone. It is believed the stone was discovered in india and given the name upala, or precious stone in sanskrit, the geological institute of. It is a stone of good karma, higher enlightenment, and many chakra healing energies.

If you celebrate a birthday in october, you have a choice of two incredibly colorful gemstones, opal, which can contain the. This october birthstone ranges from 5 to 6.5 on the mohs scale of hardness.