Natural crystal (Quartz) is a kind ofQuartzCrystallineMineral, Its Main Chemical Composition IsSilica, Chemical Formula Is SiO 2, Alias Crystal Water, Water Sprite, Water Jade. Well-DevelopedSingle CrystalHexagonal Cone, Usually Block Or GranularCollection. Generally Colorless, Gray, Milky White, Including OthersMineral elementsIt Is Purple, Red, Smoke (Tea), Yellow, Green, Etc.