It can, but is usually more of a gray colour.
Lead has a metallic luster.
no
Iron is not beautiful but dull is an exaggerated word.
shiny
shiny
Shiny
Helium is neither shiny nor dull; it is translucent (transparent; colorless). Helium is a colorless gas
dull
Shiny
dull
dull
dull
dull
shiny
Shiny.
It is shiny.
It is shiny.
Shiny
Shiny