Black 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. Palm stones are great for meditation because it fits in the palm of your hand. It is also a nice option when you want to do some healing work because you can easily carry it around all day, wherever you go.