Add Yahoo as a preferred source to see more of our stories on Google. Sapphire Gem chicken - Beth Fitzpatrick/Shutterstock Backyard chicken raising has been on the ...

Made from a synthetic version of the highly-prized sapphire gemstone, new transparent armor is lighter, thinner and pulverizes bullets on impact. Currently used by the military on powerful missile ...

This gem belongs to the corundum family. Corundum is inherently colorless, according to the International Gem Society. So, each stone's elemental structure – such as the presence (or lack) of iron, ...

A Sri Lankan gem company claims it has discovered the world's largest single natural blue sapphire, a 683-pound gemstone that it plans to auction after obtaining an official valuation. A 310 kilograms ...

The world's largest blue star sapphire has been unearthed in a Sri Lankan mine, gem experts have claimed, according to the BBC. Experts from the Gemmological Institute of Colombo, in Sri Lanka, have ...