Phosphorus was emitting a mysterious light in the forest.

This fertilizer is rich in phosphorus.

Rin is beautiful like a jewel.

The luster of that jade was shining like a star.

A beautiful precious stone was set in her ring.

This '瓴' is used as a part of the tiles.

This flaked rock was used by ancient people to make tools.

This gravel road leads to the old village.

I heard the rumbling of the vehicle.

This road has deep car-ruts, making it difficult to drive through.