Everything You Need To Know About Green Kyanite Gemstone Green Kyanite captivates the onlooker with its otherworldly allure and undeniable charm. In astrology, kyanites are associated with individuals born under the sun signs of Aquarius and Capricorn. According to practitioners, wearing natural green kyanite gemstone jewelry can be incredibly beneficial for those experiencing challenges in their love lives, as it is accepted that it helps in healing the broken hearts which follows a failed relationship.