Crystal & Stones

Natural prehnite specimen from Lonavala, Maharashtra, India; Rob Lavinsky, CC BY-SA 3.0 — Roosters Peacock crystal guide
Prehnite: The Stone of Calm Preparation, Intuition & Steady Readiness
Prehnite is a calcium aluminum silicate often found in pale green botryoidal or crystalline aggregates. Explore its geology, naming history, care, and modern associations with calm preparation and intuition. Read more...