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Quartz crystal is good for speeding up the healing process and boosting the immune system. Also known as the Master Healer, Quartz is the extra pump your pet needs for self-healing. It's said to amplify energy by absorbing, storing, releasing, and regulating it. It's also said to aid concentration and memory.
Amethyst- Excessive barking, vocal, calms stress, training issues, training aid, deters fleas,stress, fear, grief.