Prehnite is a calcium aluminum silicate mineral, it’s crystal system is orthorhombic. It usually occurs in massive, botryoidal, granular or stalactitic habits, but can also (rarely) form prismatic, pyramidal or tabular crystals. The colour is usually yellow-green, but it can be yellow, white, grey or colourless. Prehnite is found in Australia, China, South Africa, Scotland and in New Jersey, USA.

Prehnite is to be an Earth and Water element ally that brings joy to the heart and peace to the mind. Prehnite is considered to be like a ‘emotional soap’ that may help wash emotional debris from the aura.