this is a very inteligent post of crystrals.just rocking thought..i am really appreciate your post.. Crystals can also be used to strengthen the energy centers in the body. Amethyst crystals, for example, are soothing and soothing to the mind, providing joy, helping to cope with stress. This stone is effective to help overcome headaches, migraines, sleep disorders insomnia and stroke.Rock crystal efficacious calms the entire nervous system, strengthens the pineal gland, adds vitality to life, also maintain heart health, lymph nodes, and blood circulation. Rock crystal is soothing, so it's good for the means of meditating, warding off distracting energy, creating peace, and balancing emotions.thanks to sharing for your great post..very well done.my dear friend.. @velimir take care yourself and best of luck of your great work.