The mineworkers found the emerald in a mine 260 meters deep. "This is a real natural sample, unique not only for its size, but also for its crystal form. Experts attributed the mineral to the ...

Both rubies and emeralds are minerals, which is a type of rock with ... aluminum in the corundum or beryl crystal when a ruby or emerald forms underground at a high temperature and pressure.

Rubies and emeralds have the colors they do because, like many substances, they absorb some colors of light. Most visible light, like sunlight, is composed of all the colors of the rainbow: red, ...

As the ASX 200 experiences a slight dip, influenced by persistent underlying inflation and cautious market sentiment, investors are closely monitoring sectors like Energy and Industrials which have ...