Heat Treatment of Aquamarine loose sale price & Aquamarine Gemstone Information
As with many gemstones, the colour of aquamarine has almost always been improved by treatment of some kind. Heat treatment is used for aquamarines, to turn greenish, yellow or brown stonesinto a beautiful blue. The stones are heated to about 400 to 450 degrees Celsius, and the colour change is permanent.
SwissGemShop - Loose Precious & Semi Precious Gemstones - Gemstone at sale price in Jewelry quality. A lot of Gem information, learn about Gemstones !
Swiss Gem Shop loose Gemstone at Sale price and Gemstone Information