This large natural Black Tourmaline crystal weighs 362g and its longer axis is 90mm long. There are rainbows in sunlight, which befits the Rainbow Crystal. Black Tourmaline is one of the most popular metaphysical stones. It is one of the key crystals for providing protection in a healing kit. It has a distinctive appearance with glossy long striated crystals. This structure and its other properties provide the crystal with electrically charged poles at its ends. As a result, Black Tourmaline is a highly protective stone, able to block, repel and transmute negative energies.
