* Amethyst Crystal knotted mala.* Amethyst is the crystal for Crown and 3rd Eye Chakra.* Wearing Amethyst protects one from all kinds of negative energies.* Amethyst is usedful in insomnia and nightmares.* It is an extremely powerful stone for meditations and meditating with amethyst reduces anger stress and depression.* It is also a stone which can be used for de-addication.* Hold Amethyst in your hand while meditating to activate the 3rd eye.* For students and education amethyst is useful.* It improves concentration and helps students in studies.* It is also a crystal to strengthen the immune system.