Based on what we know about Neptune and Uranus's physical conditions and chemical composition, researchers proposed that a constant rain of diamond crystals pours down in the gas giant's lower layers.

Unlike the Smithsonian diamonds, these microscopic crystals contain an isotopic mixture of xenon gas not found on Earth. "It seems necessary to invoke an extra-solar origin for the diamond," the ...

Crystals are supposed to be hard and brittle. But when we make them bendy, they help reveal the secrets of how elastic ...

Large crystals found in geodes and other rocks are relatively rare ... but with a different arrangement—explaining why diamond is the hardest mineral and graphite (used in pencil lead) is ...

Morton and Diamond Crystal each have specific methods for creating kosher salt. Morton mines its product from large rock salt deposits, using a technique called solution mining, and Diamond ...