You searched for: “emeralds”
Gemstones or Precious and Semi-Precious Stones +
(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)
Word Entries containing the term: “emeralds”
emerald (s) (noun), emeralds (pl)s,
A brittle gem which has a tendency to chip and is rarely flawless: The rich green color of emeralds are caused by the presence of chromium, a hard white metal.

In ancient times, powdered emeralds were 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.

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