This designer shaped cabochon of Prehnite has black tourmaline throughout the translucent green gemstone. Prehnite is a rare gemstone that is named after the Dutch Colonel Hendrik Von Prehn who discovered the stone in the 18th century. In China it is also known as Grape Jade due to its nodule formations which often have the appearance of a bunch of green grapes. Prehnite is an attractive collecters stone that is becoming more well known and used for jewelry purposes. Its color is usually a soft apple green which is quite unique to prehnite.
Thickness 9.05mm high domed