Black obsidian Black obsidian is known as a protection stone, the regal warrior of stones. It has been used since ancient times to ward off darker energies and provide spiritual protection. This potent gemstone works with your body to create an energy shield that helps protect you from negative influences. Dissolves emotional blockages , promotes compassion and strength. It helps digestion and detoxifies. (ROOT CHAKRA) 
Selenite is said to be a powerful healing crystal that promotes peace and calm, mental clarity, and well-being. It's also believed by some that this crystal can remove negative energy and help you connect to higher realms.
Improving memory efficiency. Developing intimacy, love, and harmony with in you. Strengthening willpower, enlightenment, and wisdom. Their calming properties, ideal for spiritual work and meditative practices.
Providing a sense of balance and creating a more positive environment that you can use for your well-being. It helps clear out stagnant energy in our body. Promotes more peace 
(CROWN CHAKRA)