Phrenite
Phrenite (or ‘prehnite’) is often a similar colour to Jade, but an attractive brown hue is not uncommon. Phrenite is found in China, in New Jersey in the US, Grenoble in France and in the Cape Colony, from where it was first brought to Europe in 1789 by Colonel von Prehn, hence its name.
View Phrenite Jewellery at Astley Clarke