Rose Gold-Plated Sterling Silver Earrings BD0027

Prehnite is a mineral discovered in South Africa in the 18th century by the German general Von Prehns, from whom it takes its name. It has a hardness of 6 and is usually greenish in colour with inclusions. A good quality mineral, it has a satisfactory transparency and can be cut in the form of a tabby or even carved. Mining countries are South Africa, Germany, USA, and Australia.