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

Fri, August 19
10:00AM
$
Sat, August 20
10:00AM
$
Sun, August 21
10:00AM
$
Mon, August 22
10:00AM
$
Tue, August 23
10:00AM
$
Wed, August 24
10:00AM
$
Thu, August 25
10:00AM
$
Fri, August 26
10:00AM
$
Sat, August 27
10:00AM
$
Sun, August 28
10:00AM
$
Mon, August 29
10:00AM
$
Occurs 169 more times through Feb 14

American Museum of Natural History

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

Schedule

August 19, Friday 10:00AM
August 20, Saturday 10:00AM
August 21, Sunday 10:00AM
August 22, Monday 10:00AM
See complete schedule

Category

Arts

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