Heat treatment deepens the blue color saturation but doesn’t affect the price of the gems, as this is known to be part of the process. The mineral is found only in the foothills of Mount ...

From Tanzanite to Benitoite, this article unveils the five rarest gemstones in the world that hold more than vibrant colors.

predominantly blue gem. Cutters have to decide whether to cut a large, predominantly violet gem or a smaller blue one. As a result, tanzanites that are blue face-up are rarer than those that are ...

Two years ago, the jewelry designer Vanessa Fernández found herself admiring a curious green stone at a gem show in Tucson, ...

These gems are found in three different types, differentiated by their color: Red, Blue, and Green. The Isles have many gems on the map, but each type of gem is found in a specific place in Ark ...