Transparent crystal bead necklace, approximately 40cm long. - Material: Crystal - Color: Transparent - Length: Approximately 40cm - Design: Bead necklace - Clasp type: Lobster clasp Crystal is one of the seven treasures in Buddhism. Recently, a professor at National Taiwan University proved theoretically that crystal has a curve power. It is known for its significant power to purify the mind and body, and crystal amulets are always placed in temples. Thank you for your consideration.