About 90 percent of precipitation over land depends on the formation of ice crystals in clouds, which fall down due to their increasing weight. But water in clouds only freezes when certain particles ...

Felspar dust in the air can create clouds. The feldspar particles act as nucleation sites to which water molecules can attach extremely efficiently. Why this is the case has remained a mystery for a ...

Ice crystals on a feldspar crystallite under the electron microscope. Although they grow on various levels of the feldspar, they have the same orientation. Disclaimer: AAAS and EurekAlert! are not ...

A discovery of ancient rocks might finally answer one of the biggest questions in science: how did the Moon form? Researchers have uncovered chemical clues from 3.7-billion-year-old feldspar crystals ...