* The antique vase had a beautiful, almost iridescent luster. (This sentence emphasizes the shiny, reflective quality of the vase.)
* The polished silver cutlery regained its lost luster after a thorough cleaning. (This sentence focuses on the restoration of shine.)
* Her performance lacked the usual luster, perhaps due to fatigue. (Here, "luster" is used metaphorically to describe a lack of brilliance or excitement.)
* The new CEO's arrival brought a renewed luster to the company's image. (This sentence uses "luster" to describe a positive change in reputation or perception.)
You can also use "luster" in a sentence that focuses on its literal meaning:
* The geologist examined the rock's luster to determine its composition.
Remember, "luster" can refer to both a literal shine and a figurative brilliance or quality.