Stone game: the size of the raw stones from Najaf is 2 to 4 cm. Approximately 460 - 480 g of gemstones (around 15 - 35 pieces) Transparent quartz is also known as "rock crystal". It brings clarity to communication and strengthens your thoughts. It can help you foster clearer thoughts. The Najaf stone is the most powerful healing stone in the world. The Negev stone can be used as a healer of the third eye chakra (Ajna), bringing peace, balance, calm, meditation, healing, and spirituality. Healing stones are used for energy release, cleansing, and balancing. Use it for Reiki, healing, meditation, chakra balancing, or rituals and it can also be used together with the pendulum.