You searched for:
“emeralds”
emeralds, an emerald
Brittle gems which have a tendency to chip and are rarely flawless.
The rich green color of these stones are caused by the presence of chromium, a hard white metal.
In ancient times, powdered emerald was believed to cure fever and the plague.
Emeralds are formed from a combination of three main minerals: silicon (the chief constituent of sand and quartz), aluminum, and beryllium.
Colombia is the source of the finest emeralds.
This entry is located in the following unit:
Gemstones or Precious and Semi-Precious Stones +
(page 1)
(the four gemstones which are most valuable are diamonds, sapphires, rubies, and emeralds; and anyone would be impressed with a gift of a diamond, a sapphire, an emerald, or a ruby piece of jewelry)