Shiny.
dull
Dull?
No, cotton is typically a dull fabric and not shiny in appearance.
Slate is typically dull in appearance. It has a matte finish and does not have a shiny or reflective surface.
The colour of the bituminous coal varies from pitch black to grey colour. Sometimes more or less laminated showing layers of bright and dull coals
dull
dull
shiny
It is shiny.
Shiny
High purity must be shiny, but if oxidized it will become dull
It could be dull or shiny. It doesn't matter.
Dull?
Iron is not beautiful but dull is an exaggerated word.
shiny
No, cotton is typically a dull fabric and not shiny in appearance.
Lustrous is a term that defines a condition between dull and shiny.