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

Sat, October 16
10:00AM
$
Sun, October 17
10:00AM
$
Mon, October 18
10:00AM
$
Tue, October 19
10:00AM
$
Wed, October 20
10:00AM
$
Thu, October 21
10:00AM
$
Fri, October 22
10:00AM
$
Sat, October 23
10:00AM
$
Sun, October 24
10:00AM
$
Mon, October 25
10:00AM
$
Tue, October 26
10:00AM
$
Occurs 69 more times through Jan 03

American Museum of Natural History

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

Schedule

October 16, Saturday 10:00AM
October 17, Sunday 10:00AM
October 18, Monday 10:00AM
October 19, Tuesday 10:00AM
See complete schedule

Category

Arts

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