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

Iridescent Opals
02/23/2019 10:00 AM
Sat, February 23
10:00AM
$
Central Park West at 79th Street, New York, NY 10024
Iridescent Opals
02/24/2019 10:00 AM
Sun, February 24
10:00AM
$
Central Park West at 79th Street, New York, NY 10024
Iridescent Opals
02/25/2019 10:00 AM
Mon, February 25
10:00AM
$
Central Park West at 79th Street, New York, NY 10024
Iridescent Opals
02/26/2019 10:00 AM
Tue, February 26
10:00AM
$
Central Park West at 79th Street, New York, NY 10024
Iridescent Opals
02/27/2019 10:00 AM
Wed, February 27
10:00AM
$
Central Park West at 79th Street, New York, NY 10024
Iridescent Opals
02/28/2019 10:00 AM
Thu, February 28
10:00AM
$
Central Park West at 79th Street, New York, NY 10024
Iridescent Opals
03/01/2019 10:00 AM
Fri, March 01
10:00AM
$
Central Park West at 79th Street, New York, NY 10024
Iridescent Opals
03/02/2019 10:00 AM
Sat, March 02
10:00AM
$
Central Park West at 79th Street, New York, NY 10024
Iridescent Opals
03/03/2019 10:00 AM
Sun, March 03
10:00AM
$
Central Park West at 79th Street, New York, NY 10024
Iridescent Opals
03/04/2019 10:00 AM
Mon, March 04
10:00AM
$
Central Park West at 79th Street, New York, NY 10024
Occurs 69 more times through May 12

American Museum of Natural History

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

Schedule

February 23, Saturday 10:00AM
February 24, Sunday 10:00AM
February 25, Monday 10:00AM
February 26, Tuesday 10:00AM
See complete schedule

Category

Arts

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