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.
Tellurium has a shiny luster.
Bromine has a shiny, metallic luster in its liquid state. However, in its solid state, bromine appears as a reddish-brown crystalline solid with a more dull luster.
dull
dull
shiny
It is shiny.
Shiny
It could be dull or shiny. It doesn't matter.
High purity must be shiny, but if oxidized it will become dull
Dull.
Iron is not beautiful but dull is an exaggerated word.
shiny
Lustrous is a term that defines a condition between dull and shiny.