emerald

Table of Contents

Introduction References & Edit History Related Topics

Images

Read Next

$Reflections in a diamond. (gem; cut gemstone; optics; refraction)$

Cold Stones: 9 Gems That Will Make You Feel Like a Peasant

Discover

Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.

6 Animals We Ate Into Extinction

Berries and leaves of the bittersweet nightshade (Solanum dulcamara) plant. Poisonous plant

7 of the World’s Deadliest Plants

Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.

What Is the Emoluments Clause?

Portrait of a mountain gorilla at a short distance. gorilla close up portrait.The mountain gorilla (Gorilla beringei beringei)

Falling Stars: 10 of the Most Famous Endangered Species

Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays

Is Cinco de Mayo Mexico's Independence Day?

Aspirin pills.

7 Drugs that Changed the World

Drinking water is poured into a glass.

Water Fluoridation: Just the Facts

emerald: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Photos

See All Images →

Topics

Brazilian emerald May gemstone beryl birthstone diamond sapphire ruby morganite aquamarine garnet jade coral pearl opal

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

List

$Reflections in a diamond. (gem; cut gemstone; optics; refraction)$

Cold Stones: 9 Gems That Will Make You Feel Like a Peasant