The silvery surface sparkled for an instant, then began to crackle.
By the way, (even though you made no mention of this) do not coat pennies with mercury to obtain a silvery surface.
He glanced up at the silvery surface, then thought of the brass ship's compass he'd found last year and began to descend.
He paused and reached out to touch the silvery surface then snatched his hand back in shock.
He paddled with long, powerful strokes and they glided across the silvery surface.
The silvery surface caught the room light and flashed back stars.
Reflected light from the bonfire seemed to move like the tiny dancers across her silvery surface.
She let her gaze fix on the river, its surface silvery in the rising light.
A clear space showed a dull, silvery surface instead of blackened grass.
It was as if the silvery surfaces had become a magical looking glass to another world.