Clear Quartz: Clear quartz is a magical gift from the earth. It represents balance and completeness which can counteracts evil force, and is known the king of crystal. Clear quartz corresponds to the Crown Chakra of 7 chakra, which can enhance the development of the mind and help meditation. It can also reduce electromagnetic radiation and human body from electromagnetic waves.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!1 x NecklaceOpal: Opal was once a of rights in ancient-rome and a gem of geniuses. It can strengthen personal abilities and talents, help people gather wealth and make money at the same time.Amethyst: Amethyst in 7 chakra corresponding to the eyebrow wheel which can promote the activity of brain cells, helping to think and concentrate. Amethyst stands for spirituality, spirit and love. It can be an emotion and of an admirer. And it is also known , usually dispels demons and enhances individual luck.Note: Please allow 0-2cm error due to manual measurement. pls make sure you do not mind before you bid.: Obsidian means Self control, decision making, , protection. It is widely believed that black can change your habits are erratic, either when with faith. It is regarding one powerful protection stone it absorbs negative energy of people to release mental stress and promote emotional well-being.Rose Quartz: Rose quartz is a famous love gem and one of the most popular crystal gemstones for women. The rose quartz corresponds to the heart wheel in 7 chakra, which can strengthen the health of the heart and lung function and the irritability. It is also a crystal that can improve your relationship with your lover and bring you a happy emotional life.: Green aventurine corresponds to the heart wheel of 7 chakra in human body. Green represents health, and green has a good effect on relieving bad emotions. It can calm the heart down and make