Chromium carbide, an extremely hard mineral found in some unique geological settings including ophiolites and meteorites. It's associated with strength, resilience, and primordial energies.
Grey, Metallic luster, (Extremely hard)
Tongbaite is classified as a carbide mineral mineral which typically crystallizes in the orthorhombic system. Its chemical formula is Cr3C2. Common crystal habits include prismatic crystals, pseudohexagonal.