Black obsidian is another crystal with various perceived benefits, primarily based on metaphysical and holistic beliefs. Here are some of the commonly attributed benefits of black obsidian:

1. **Protection**: Black obsidian is often used as a protective stone, believed to absorb and transmute negative energies, providing a shield against psychic attacks and negativity.

2. **Emotional Healing**: It is thought to aid in emotional healing by helping individuals confront and release past traumas and emotional blockages.

3. **Grounding**: Like black tourmaline, black obsidian is used for grounding, helping to connect individuals to the Earth's energy and promote stability and balance.

4. **Clarity and Insight**: Some people use black obsidian for gaining insight and clarity, as it's believed to reveal hidden truths and facilitate self-reflection.

5. **Self-Discovery**: It's often used in spiritual practices to aid in self-discovery, helping individuals confront their true selves and overcome inner obstacles.

6. **Psychic Protection**: In metaphysical circles, black obsidian is considered a potent tool for psychic protection, helping to deflect negative energies and psychic attacks.

It's important to emphasize that these benefits are part of holistic and alternative healing practices and lack scientific evidence. If you're interested in using black obsidian for its perceived benefits, it's essential to approach it with an open mind and consult with knowledgeable practitioners in the field of crystal healing and energy work. Additionally, individual experiences with crystals can vary widely.