A hidden mineral trap in ancient ocean sediments may have starved early marine life of phosphorus, the nutrient most critical ...

London, had a mystery on its hands. A rather attractive, triangular, but ultimately mysterious lump of blue mineral. It was ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. A vividly colored slice of Maine watermelon tourmaline at the Maine Mineral ...