Gypsum is typically dull in appearance with a pearly to glassy luster. It can sometimes have a slight sheen or shine, but it is generally more matte in finish.
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.
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.