A black obsidian mala is a type of prayer bead necklace that is made from the volcanic glass known as black obsidian. This type of mala is said to have several benefits, including:

1. Grounding and Protection: Black obsidian is believed to be a grounding stone that can help you stay focused and centered. It is also thought to provide protection from negative energy and psychic attacks.
2. Emotional Healing: Black obsidian is said to help release negative emotions and promote emotional healing. It can also help you let go of past traumas and move forward with your life.
3. Spiritual Growth: Black obsidian is believed to be a powerful tool for spiritual growth and development. It can help you connect with your higher self and access your intuition and inner wisdom.
4. Physical Healing: Black obsidian is thought to have healing properties that can help relieve pain and improve circulation. It may also help detoxify the body and boost the immune system.
5. Meditation Aid: Using a black obsidian mala during meditation can help you focus your mind and deepen your practice. The repetitive motion of counting the beads can also help calm your mind and reduce stress.