The river is characterized by its crystal clear and perennial nature.

It was contained in an enormous bowl of clear crystal.

I should shower you with gifts, a fine house, beautiful clothes and clear crystal.

It was as if her spirit were composed of clear crystal.

Be crystal clear about your own expectations - specify how long you need the money for.

I could see him crystal clear through the living room window.

To understand what is important in life, having that crystal clear.

These were all of fine clear crystal, and the Colonel was holding a small example carefully in his hands.

The column rose up in the middle of the room, crystal clear and empty.

Once they've begun to develop, they're usually pretty clear crystals.