It’s formed from a calcium magnesium silicate mineral and colored green by chromium, hence its name. The gem is sometimes ...

So what is the go-to green gemstone now catching the eye of major ... it is a copper carbonate hydroxide mineral that can be an irritant when its dust is inhaled. Image A rough piece of ...

That particular green is the color of peridot, the gem variety of the mineral olivine and August’s polarizing birthstone. A semiprecious gem, it typically sells for anywhere from $40 to $400 per ...