The birthstone for October is opal, which is associated with the signs of Libra and Scorpio. Opal is a vivid gemstone that displays a play of colours that makes this Gemstone Jewelry even more beautiful. Opal is such a gemstone that is Amorphous and devoid of crystalline structure. Opal is a mineraloid. The mineral opal is an amplifying stone. It is capacitive and reflective in the sense that it gathers ideas and emotions, cranks them up, and then gives them back to you. Things About Opal Jewelry would manifest your dreams and goal and this stone will bring clarity, intensity, and high vibrations to you.