Amethyst Is A Variety Of Quartz Chakras ? Third Eye Chakra , Crown Chakra Birthstone – February Zodiac ? Virgo , Sagittarius , Capricorn , 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. Clear Quartz Clear Quartz Is Also Known As Crystal Quartz Or Rock Crystal. It Is A Natural Form Of Silicon Dioxide And Is A 10th Anniversary Gemstone. Chakras – Crown Chakra Zodiac – All Birthsigns Planet ? Sun Element ? All (Earth/Fire/Air/Water) Typical Colours – Pure Quartz Is Colourless Or White Clear Quartz Is Known As The “Master Healer”