What crystal bracelet can I bring to improve my studies?

The role of white crystal: physiological function: the jewel in the crown. White crystal will produce continuous and stable vibration under the light, which can strengthen the source of personal inspiration, and is of great help to make people clear their minds and enhance their memory and understanding, but it should be avoided by the bed, otherwise it will tend to suffer from insomnia. Placing small crystal clusters on or around computers, televisions, microwave ovens and other electrical products can reduce their radiation and protect the human body from excessive electromagnetic interference. Transparent crystals that emit white light can stimulate the masculine strength of everyone's male parts, and can also improve the diseases of eyes and ears. Psychological function: White crystal is one of the seven treasures of Buddhism, also known as "Mani Pearl", as the name implies. Therefore, the Buddha statues or cultural relics made of white crystal have strong positive energy and blessing ability for practicing qi, offering Buddha, avoiding evil spirits, blocking brake, town house and divination, and have a powerful role in eliminating negative energy. The chest pendant made of white crystal has the most balanced energy and can play the role of "keeping safe", so it is the best as an amulet and amulet. If you put it on a desk or desk, you should put a big white crystal column, which will help improve work efficiency and promote career development. In addition, in practice, because the "top chakra" is active, it is easier to receive messages from the spiritual world and effectively distribute them to each other. White crystal can also promote learning and help learning progress!