Luster-99.9% sure!
sunlight
Any smooth surface will reflect light. The better question is "How much light does each kind of smooth surface reflect?"
it can only reflect off a minerals surface if it had the luster of glassy, metallic or pearly if the mineral is whats called dull the darkness of that mineral cannot obsorb the light like the brighter minerals can
luster
luster
its surface
Because it has a shiny & smooth surface which helps to reflect the light... Take an example of tree. A tree have a rough surface due to which light can be reflect. So All of this depends on the smoothness of surface.. :-)
Reflect.
The term used to describe ' how a mineral reflect light from its surface ' is Lustre .
Reflect
As most paper's surface is rough at microscopic levels therefore they do reflect the light but the light reflected y them is scattered over a large surface due to its rough texture.......As they do not reflect light in a particular direction like mirrors therefore they seems not to reflect the light.....
Unless it is jet black, yes. Most surfaces reflect some light.
Luster