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gemstone
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Introduction References & Edit History Quick Facts & Related Topics
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jewelry: gems Amethyst Bloodstone brooch diamond Emerald Garnet Carved opal Pearl Ruby
For Students
gemstone summary
Quizzes
A brown-colored dog wearing a red-checked shirt with an orange hard helmet and hammer. Labor Day concept, work, jobs.
Odd Jobs Vocabulary Quiz
Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.
(Bed) Rocks and (Flint) Stones
Read Next
Reflections in a diamond. (gem; cut gemstone; optics; refraction)
Cold Stones: 9 Gems That Will Make You Feel Like a Peasant
Great Barrier Reef coral bleached area map and infographic
Coral Bleaching: A Threat to Our Reefs
Tiger shark (Galeocerdo cuvieri).
14 Questions About Aquatic Animals Answered
Discover
New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.
Why Is It Called Black Friday?
Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya
The Fastest Animals on Earth
bat flying
Are Bats Really Blind?
Thanksgiving Turkey with all the sides
Why Do We Eat Turkey on Thanksgiving?
Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.
9 of the World’s Deadliest Mammals
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks
Image of Antenna galaxy
The Fermi Paradox: Where Are All the Aliens?

gemstone: Facts & Related Content

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Facts

Also Known As jewel • gem

Photos

jewelry: gems
Amethyst
Bloodstone
brooch
diamond
Emerald
Garnet
Carved opal
Pearl
Ruby
See All Images →

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Related Quizzes and Features

Quiz
Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.
(Bed) Rocks and (Flint) Stones
A brown-colored dog wearing a red-checked shirt with an orange hard helmet and hammer. Labor Day concept, work, jobs.
Odd Jobs Vocabulary Quiz
List
Reflections in a diamond. (gem; cut gemstone; optics; refraction)
Cold Stones: 9 Gems That Will Make You Feel Like a Peasant