I sat motionless, turned to stone, deaf to the conversation.

At last he saw it, old stone turned to silver by the moonlight.

The stone turned a clear amber as he rubbed it with his thumb.

If danger threatens, the stone will heat and turn crimson.

Around the break, the stone was turning a bright orange-yellow.

The stone turned all the way and light spilled onto his face.

In a city where every stone turned seems to provoke a battle, that is indeed news.

Until those stones turn black I won't expect you to practice.

The stone should turn black like the coal that the miners extracted.

However, the stone will frequently turn at random by itself.