In general, mineral particles are small, having formed within confined areas such as lava flows or between grains of sediments. Large crystals found in geodes and other rocks are relatively rare.

Colonial River Investments LLC lifted its position in shares of Black Stone Minerals by 10.2% in the fourth quarter. Colonial River Investments LLC now owns 19,415 shares of the oil and gas ...

Kidney stones are pebble-sized deposits that form when there’s too much salt and minerals in your urine. Learn whether men or women are more at risk, what passing one feels like, and how big ...