Nancy LaMotte's eyes are a clear blue-green, the color of antique Coca-Cola bottles, but brighter. She scans the sand at her feet: gritty knots of seaweed, smashed oyster shells, driftwood – wait!

If you ever stumble upon a smooth piece of colored rock when shell-searching at the beaches, you may have discovered some sea glass. The trash-to-treasure beach find has collected quite a following ...

Add Yahoo as a preferred source to see more of our stories on Google. Heading to one of Florida's beaches for spring break? In between lounging in the sun and playing in the waves, you might want to ...