Diamonds The Antoinette Matlins Buying Guide The Buying Guide -

kunzite gemstone kunzite stone gia - kunzite is the best known variety of the mineral spodumene it s named after famed gemologist george frederick kunz who was the first to identify it as a unique variety of spodumene, iolite gemstone iolite stone gia - in legends ancient viking navigators used thin slices of iolite as filters to help locate the sun on cloudy days whether or not the tales are true iolite mineralogists call it cordierite can be fashioned into beautiful gems, jtv jewelry experts jtv com - pearls graduate jewelry and gemstone expert antoinette matlins p g is an internationally respected gem and jewelry expert author and lecturer