Treatment:? Irradiated and Heated
This is a beautiful sky blue topaz with an amazing cut.? Pure topaz is colorless and transparent but is usually tinted by impurities; typical topaz is wine, yellow, pale gray, reddish-orange, or blue brown. Typically, colorless, gray or pale yellow and blue material is heat treated and irradiated to produce a more desired darker blue. Cherry red, pink, salmon, champagne and peach are the rarest and most expensive.