Tungsten carbide is renowned for its exceptional hardness and wear resistance, making it a preferred material in demanding industrial applications and even in jewelry. However, despite its toughness, tungsten carbide is also known for its brittleness, which means it can shatter under certain conditions. In this comprehensive article, we will explore the types of tungsten carbide most prone to shattering, the science behind its brittleness, the factors influencing its fracture behavior, and practical implications for users and manufacturers.