ECONOMYNEXT – The largest natural corundum ever recorded in Sri Lanka, which could also be the largest in the world, has attracted interest from potential buyers from China and the US, the 310 ...

Stone age craftsmen in China were polishing objects using diamond 2,000 years before anyone else had the same idea, new evidence suggests. Home. News. Sport. Radio. TV. Weather. Languages ... But ...

THE three works cited below give much new and valuable information concerning the mode of occurrence, the processes of mining, and the uses of corundum. As the mineral is of growing economic value ...

Back in 1988, Haifa Mayor Aryeh Gurel attended the Lubavitcher Rebbe’s “dollars” event on a Sunday in Crown Heights, and was told by the Rebbe that the depth of the sea near Haifa “is ...

“At the Corundum Hill Mine (near Highlands), various shades of ruby gem corundum have been found,” the U.S. Geological Survey reported in 1906. However, though the gems were similar to the red ...

We're back in the museum for this week's episode of Mineral Monday to learn about the mineral corundum. While you may not know the mineral itself, you definitely know two of its crystal structures.