Tetrahedrite is a copper-antimony sulphide mineral commonly found in hydrothermal veins, often alongside silver, gold, and other sulfides. It typically forms dark grey to black tetrahedral crystals with a metallic to submetallic lustre, occasionally showing iridescent tarnishes. In folklore, Tetrahedrite is associated with protection and prosperity. Metaphysically, it is believed to enhance focus, determination, and grounding, while encouraging clarity and confidence. The stone is also thought to support emotional balance, absorb negative energy, and strengthen the connection between the physical and spiritual realms.