Check the listing for details. Prehnite Pendant $130. Condition: New. Listed at 158.44 USD. 3.5cm x 6cm Prehnite is a stone of unconditional Love and is known for getting to the root of many problems. A very psychic stone, Prehnite strengthens the aura, and when placed on the third eye it gives prophecy, guidance and assists in visualization. This stone also heals the kidneys and bladder.