The colors of rubies and emeralds are so striking that they define shades of red and green – ruby red and emerald green. But ...

Two of the most coveted stones—rubies (the red variety of corundum) and emeralds (a type of beryl)—are created when the minerals are forced together under extreme heat and pressure in the earth.

British precious stones miner Gemfields Plc swung to a full-year profit as revenue from the sale of emeralds and rubies more than tripled. Gemfields (Other OTC: GFLDF - news) , which currently mines ...

Rubies may be the record breakers, price wise, representing power and passion, while sapphires are the true blue heavenly gems, but only emeralds can boast a history like this among precious gems.

In line with previous special anniversaries, this year's trophy has unique jeweled embellishments to commemorate the 150th anniversary, which includes nearly 200 rubies, more than 100 emeralds ...

Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered structure at the atomic level.

British precious stones miner Gemfields Plc swung to a full-year profit as revenue from the sale of emeralds and rubies more than tripled.

Pure corundum and beryl are colorless. The brilliant colors of rubies and emeralds come from the presence of very small amounts of chromium.

Pure corundum and beryl are colorless. The brilliant colors of rubies and emeralds come from the presence of very small amounts of chromium.