Black, shiny rock like a wall, disappearing into the mist.
"I got a big old shiny rock coming in."
Once she'd been frightened by a tortoise big enough to sit on; she'd thought it was a shiny brown rock.
"A shiny rock," the lieutenant snorted, not taking the time to look.
He gathered up samples of some of these shiny rocks and had his friends pull him back to the surface.
Behind that was the shiny bare rock of the cliff.
Lost in meditation, he had been staring at the smooth shiny black rocks when the sound of his name recalled him to himself.
"Why is it an intelligent woman can find herself coveting a bunch of shiny rocks?"
The story is that one of these soldiers befriended an Indian, who happened to give him a shiny rock.
I'm blowed if I'll let a ball of shiny rock tell me what to do.