Opal (disambiguation)

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An opal is a gemstone.

Opal may also refer to:


Science and technology[edit]


Research facilities[edit]

Other sciences[edit]

Other technologies[edit]

Arts and entertainment[edit]


  • HMS Opal, two ships of the British Royal Navy
  • USS Opal (PYc-8), a United States Navy patrol vessel during World War II

Other uses[edit]

See also[edit]