Question

Which term refers to the way light interacts with the surface of a rock or mineral
GPT-4o mini
The term that refers to the way light interacts with the surface of a rock or mineral is "luster." Luster describes the sheen or glossiness of a mineral's surface and can help in identifying the mineral. Common types of luster include metallic, glassy (vitreous), pearly, silky, dull, and earthy.