WHAT DOES CALUANIE MUELEAR OXIDIZE CHEMICAL FORMULA MEAN?

Warmth can both strengthen or spoil gemstone coloration or clarity. The heating course of action continues to be popular to gem miners and cutters for hundreds of years, and in many stone types heating is a common apply. Most citrine is made by heating amethyst, and partial heating with a robust gradient leads to "ametrine" – a stone partly ameth