Some of the stones on our list, such as peridot or green garnets, have been labeled or sold as emeralds in the past before modern gem classification techniques were used and are now sold under their ...

The intense green of this chrome tourmaline from Tanzania resembles the color of emerald. Tourmalines come in a wide variety of exciting colors. In fact, tourmaline has one of the widest color ranges ...

Stones that show attractive colors in both directions—such as bright green in one and blue in another—are the most valuable. Chrome tourmaline gems offer hues that are more saturated than most green ...

There is even a "watermelon" variety with a green outer layer surrounding a pink core ... These pegmatite "pockets" are the source of Maine's finest gem tourmalines.

Certain gemstones can enhance productivity by fostering focus and clarity. Black Tourmaline, Green Aventurine, Pyrite, ...

Experts say that this previously overlooked gemstone is rocketing in desirability ... founder of Minka Jewels Lucy Crowther counts blue-green tourmalines as the connoisseur’s choice, having ...

Discovered in Brazil in the 80s, these stones are bringing new colour to high jewellery collections In September a cushion-shaped 5.44-carat Paraiba tourmaline ring flew past its US$60,000 upper ...