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“a ruby”
rubies, a ruby
Rubies are considered to be one of the rarest gems; especially, the pigeon-blood red color which comes from chromium.
In the past, rubies were thought to promote good health and to keep people looking young. In addition, they were said to guard fruit trees from disease.
Some of the world's highest-quality rubies are quarried (surface excavation for extracting precious stones) from gravels in Burma.
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)