Amazonite is associated with the zodiac signs Virgo and Aquarius. Amazonite, also known as microcline, is in the feldspar group of minerals. Hardness: 6 (Mohs). Amazonite Faceted Round 3mm. Beautiful greeny-blue colour. Origin: Africa. Treatment: none. 3mm 6 prong Sterling Silver ear studs, supplied with scrolls. Stamped 925 on the ear stems and scrolls. Earring pair Approx. weight: 0.47g Caring for your gemstones: Please Don't subject to any hard blows or rough wear. Avoid harsh chemicals, ultrasonic, or Steam cleaning as they may damage the stone. Sudden change in extreme temperature can break Crystals in time. You can cleanse with warm soapy water and a soft brush then towel dry. They should be kept in a padded jewellery box or bag in a cool, dry place to keep them from getting broken.