1. **Tiger Eye**: Tiger Eye is often associated with courage, confidence, and protection. It's believed to help one stay grounded and focused, while also promoting mental clarity and stability. Some people use Tiger Eye for enhancing their willpower and overcoming fears or obstacles.

2. **Citrine**: Citrine is known as the "stone of abundance" and is associated with prosperity, success, and wealth. It's believed to attract positive energy and opportunities while dispelling negative energy. Citrine is also thought to promote creativity, self-confidence, and a positive outlook on life.

3. **Tourmaline**: Tourmaline comes in various colors, each with its own metaphysical properties, but black tourmaline, in particular, is known for its protective qualities. It's often used for grounding and shielding against negative energies, electromagnetic radiation, and psychic attacks. Black tourmaline is believed to create a barrier of protection around the wearer, promoting a sense of security and well-being.