Tellurium is a rare, metallic resource in Warframe, characterized by its sleek, angular shards with a dark, gunmetal gray base color and subtle, glowing blue veins running through its surface. The material has a polished, slightly reflective finish, with sharp edges that catch the light, giving it a high-tech, otherworldly appearance. Its surface features intricate, geometric patterns that seem to pulse with energy, suggesting its use in advanced technology and crafting.