Properties
Mineral group: Prehnite
Chemistry: Ca2Al2Si3O10(OH)2
Color: Yellowgreen
Crystal system: Orthorombic
Mohs Scale hardness: 6-6,5
Refractive index: 1,611-1,673
Birefringence: 0,021-0,039
Specific gravity: 2,80-2,95
Other
Prehnite have a dull often not fully transparent look, often cut to cabochon or carving. Prehnite is named after Dutch Colonel Hendrik Von Prehn, and was first described in 1789 for an occurrence in Haslach, Harzburg and Oberstein, Germany.
Read / learn more about Prehnite under "gemstoneinformation".
Prehnite in Healing
Prehnite is a soft yet powerful crystal often referred to as the "healing stone." It is known for its properties of promoting calm, protection, and intuition. Prehnite is considered to create a bridge between the heart and mind, making it an excellent stone for achieving balance and harmony on all levels.
Read / learn more about Prehnite – Healing Properties







