Iridescent Opals

American Museum of Natural History
Central Park West at 79th Street

Renowned for their colorful iridescence, opals’ unique internal structure creates their colors by scattering light. Opal gemstones used in jewelry are relatively soft and fragile; they need protection from scratching, bumping, and abrupt temperature ... more

Renowned for their colorful iridescence, opals’ unique internal structure creates their colors by scattering light. Opal gemstones used in jewelry are relatively soft and fragile; they need protection from scratching, bumping, and abrupt temperature changes. Opal most commonly forms by the action of warm water on volcanic glass. It can also form at low temperatures, when water rich with dissolved silica mixes with sediment or enters rocks.

Opal deposits are found around the globe, but about 85 percent of the world’s gem opals are mined in Queensland and New South Wales, Australia. These opals come from a range of locations—Australia, Brazil, Honduras, Ethiopia, and the United States—and illustrate the gem’s diversity.


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Iridescent Opals

Sun, November 28
10:00AM
$
Mon, November 29
10:00AM
$
Tue, November 30
10:00AM
$
Wed, December 01
10:00AM
$
Thu, December 02
10:00AM
$
Fri, December 03
10:00AM
$
Sat, December 04
10:00AM
$
Sun, December 05
10:00AM
$
Mon, December 06
10:00AM
$
Tue, December 07
10:00AM
$
Occurs 169 more times through May 25

American Museum of Natural History

Central Park West at 79th Street
New York, NY 10024
(212) 769-5100

Schedule

November 28, Sunday 10:00AM
November 29, Monday 10:00AM
November 30, Tuesday 10:00AM
December 1, Wednesday 10:00AM
See complete schedule

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Arts

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