Way light interacts with surface i.e. shine.
Rock luster refers to the way light interacts with the surface of a rock. It can be categorized as metallic, vitreous (glassy), pearly, silky, and dull or earthy. Luster can help identify different types of rocks and minerals.
The luster of pumice is vitreous (glassy).
It depends on the rock.
In geology, luster refers to the appearance of a mineral in respect to the reflection of light. Luster is not a term used to define the appearance of rock.
The luster of rock salt is Vitreous (glassy)
The way a rock reflects light is called its luster. Luster refers to how light interacts with the surface of a mineral, rock, or crystal. Minerals can exhibit metallic, glassy, pearly, or dull luster, among others.
luster is how a rock or mineral feflects light on it's physical appearance
You would need to look at the individual minerals. A rock does not have a luster.
You would need to look at the individual minerals. A rock does not have a luster.
A magnifying lens would be handy for observing luster.
Obsidian has a glassy luster, which means it has a shiny and reflective surface similar to glass. This luster is a result of the rapid cooling of lava, which prevents the formation of crystals in the rock.
That is the property of "luster".