inside it. Uses: tissue regeneration, immune system, energy, vitality, stimulates brain functions, increases psychic abilities, breaking old patterns, childhood blockages, transmutes negativity, depression. All Chakras. Sapphire refers to gem varieties of the mineral corundum, an aluminium oxide. Uses: enhances glandular function, heart, kidneys, pituitary gland, elevates mood, stimulates clairvoyance , telepathy