Gemological Institute Of America All About Gemstones

Contents News & Events GEMS Grid Controller LS-7 Series, Side Mounted Level Switches in Food Warmers No School – EL Education National Conference Featured Gems Favored gem of many Art Nouveau jewelry designers. Trace amounts of manganese give this pink to violet variety of spodumene its feminine glow. A relative newcomer to the gemstone stage, …

Gemological Institute Of America All About Gemstones Read More »