Reddish-brown crystals of a radioactive mineral called monazite can act as microscopic clocks that allow geologists to date rock formations that have been altered by the action of high-temperature ...

You can use apps like "Rock Identifier: Stone ID" to quickly determine the value of rocks. These apps have a database for you to reference different types of rocks for identification. The valuation ...

Kidney stones are hard, pebble-like masses or crystals that can form inside your kidneys. They can result from the minerals and salts that are dissolved in your pee, especially if you haven't been ...