Depends on which allotrope of carbon.
Graphite is dull
Diamond is dull when un=cut , but shiny when cut.
Then there is buckmonster fullerene.(C60)
In geology, dull luster means little to no luster is exhibited by a mineral. This is due to coarse granulations which scatter the light in all directions.
Opal's luster can be found anywhere on a range from dull to vitreous.
Bauxite is a rock composed mainly of aluminum oxide and aluminum hydroxide minerals. The rocks also contain clay, silt, and silica. Bauxite has a dull, earthy tone luster.
These are terms that reference the mineral's luster (or lustre).
It can, but is usually more of a gray colour.
The carbon allotrope 'diamond' in its natural un-cut state is dull. however, when a jeweller cuts it , it becomes very shiny; a' girls best friend'. Other allotropes of carbon are graphite - dull, and buckminster fullerene ??? dull or shiny.
dull luster looks somewhat metallic, but it isn't quite as reflective.
the luster is dull or some metallic.
it is dull
it is dull
dull to pearly to subvitreous
Granite has a very dull luster when unpolished.
Dull Luster, because Xenon is colorless it cannot have shinny luster.
In geology, dull luster means little to no luster is exhibited by a mineral. This is due to coarse granulations which scatter the light in all directions.
The words waxy, pearly, and dull describe a mineral's luster.
dull but pretty
the type of luster which is dull