An opulent Italian marble style, Calacatta Lusso recreates the drama, colour and movement of Calacatta marble in sintered ...

Diamond is the hardest naturally occurring substance known to science. The Mohs mineral hardness scale describes a mineral's resistance to scratching, and diamond is at the very top of the scale.

It is a relatively hard mineral, with a hardness of 6.5-7 on the Mohs scale, which makes it suitable for jewelry and other decorative uses. Its rarity and limited extraction in only one region of ...

The hardness of feldspar is lower than that of quartz, with a Mohs hardness ranging from 6 to 6.5. In granite, feldspar is usually one of the mineral components with ... but there is no obvious ...

Diamond is the hardest mineral on Earth. This fact would likely pass muster at your local trivia night, but scientists ...

Russia says it is open for economic cooperation with the United States, including on energy and mining rare earth minerals. Moscow’s comments came after US President Donald Trump said Monday he ...