Enhancing Gemstones – Are They Still Natural?
How would you feel if I told you that 90% of the worlds sapphires are heated and almost every Ruby that you'll never see that much and emeralds are oiled and buy it can be assumed that wearing topaz is or heat treatment, and do not believe this, radiotherapy! Your pearls are probably dyed or bleached with chlorine or hydrogen peroxide, the beautiful citrine does not seem that nice color without heat treatment, and tanzanite began its life as a dirty yellow-brown crystal and turns into Cinderella mass after treatment heat.
