This is Purple Agate Crystal Tumbled.
A perfect place to store your magical books.
Emotional Connection: Balances your emotional and intellectual energies. It will give you inner stability, especially when you feel like everything around you is going to fall apart. It is a soothing and calming crystal that heals inner anger, anxiety and helps in the strengthening of relationships
Spiritual Connection: Transforms negative energy into positive energy, balancing your chakras and spiritual energy.
Chakra: Third Eye and Crown
Zodiac: Virgo and Gemini