DESCRIPTION: Wear this powerful adjustable rough black tourmaline necklace. SYMBOL: Tourmaline protects from negative energies, improves blood circulation, strengthens the immune system, prevents digestive system disorders, accompanies self-confidence, and reduces skin problems. It removes sadness and limits depressions. It is used to stabilize the chakras and remove blockages. Its pyroelectric virtues decrease the negative effects of electromagnetic waves.SKU:#55071