An Unbiased View of Crystal
These crystals have been fashioned above 1,000,000 yrs back inside the Earth's crust. They happen when the liquid from the Earth consolidates and also the temperature chills. Other crystals variety when the liquid can make its way with the clefts and dispense minerals in the clefts.按照透明度指标，水晶越透明，价格越高，好的透