Opal, the main birthstones by month October is said to help with emotional distress, depression and anxiety. They are thought to promote a positive outlook and feelings of hope. Opals are also accepted to help with detoxification, eye health and vision. They are thought to regulate insulin production, purify blood and kidneys, and alleviate symptoms of eye disorders. The sterling silver jewelry made out of opals, like opal rings or opal pendants, is also assumed to provide further benefits, including enhancement of spiritual awareness, connecting people with their inner selves, and stimulating creativity and originality.