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opal
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Carved opal opal, raw, from Coober Pedy, Austl.
Life in an underground opal-mining town
Iridescence Old Timers Mine, Coober Pedy, Austl. opal mining: Coober Pedy, South Australia
Quizzes
Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.
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An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.
11 Egyptian Gods and Goddesses
Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint
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Diverse elementary school children wearing school uniforms running outside of school. Boys girls
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Super Typhoon Noru over the western tropical Pacific Ocean as observed by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA Aqua satellite July 31 2017
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Woman tied to a ducking stool, a method of punishment by means of humiliation, beating, or death. (cucking stool)
8 Unusual Punishments Inflicted on Women Throughout History
Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society
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Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
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opal: Related Content

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Photos and Videos

Carved opal
opal, raw, from Coober Pedy, Austl.
Iridescence
Old Timers Mine, Coober Pedy, Austl.
opal mining: Coober Pedy, South Australia
Life in an underground opal-mining town
See All Videos and Images →

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Topics
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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
List
Reflections in a diamond. (gem; cut gemstone; optics; refraction)
Cold Stones: 9 Gems That Will Make You Feel Like a Peasant