Black Tourmaline is a very powerful protective and grounding stone. It protects against all negative energies and negative thoughts, healing on a physical, emotion, mental and spiritual level.
It encourages a positive attitude and outlook on life, no matter the circumstances.
Sizes are:
Small: 1.5cm-2cm (L) x 1-1.5cm (H)
Medium: 2-2.5cm (L) x 1.5-2cm (H)
Large: 2.5-3cm (L) x 1.5-2cm (H)