Chemical Composition: Silicon Dioxide, SiO 2
Refractive Index: 1.54 – 1.56
Specific Gravity: 2.65
Crystal System: Trigonal
Moh's Hardness: 7
Citrine is also apart of the Quartz family and colour ranges from a pale yellow to a golden yellow. Natural Citrine is not common and most are heat -treated amethyst. Common localities are the same as amethyst and include Brazil, India, Madagascar, Namibia, Sri Lanka, Nambia.