Amethyst Is A Variety Of Quartz And Is A 6th Anniversary Gemstone. Chakras –Third Eye Chakra , Crown Chakra Birthstone – February Zodiac – Virgo , Sagittarius , Caprocorn , Aquarius , Pieces Planet – Jupiter Element – Air, Water Typical Colours – Light Slightly-Pinkish Violet To A Deep Grape Purple Amethyst Is A Powerful And Protective Stone