Tanzanite is a hydrous calcium aluminum silicate mineral. It was named after Austrian scientist Sig-mund von Zois (1747-1819), who...

This Exclusive Rare Gemstone Diamond Ring: Fabulous, stunning "Horsetail Demantoid " displaying the characteristic vivid flash phenomenon...

PRICE FOR A BLUE SAPPHIRE WHICH IS NO HEAT ROYAL BLUE ABOVE 40 CT WHAT CAN BE? PRICE DEPENDS ON FEW FACTORS LOCATION, COLOR, CLARITY AND WT