'Black' opal cabochon specimen. Opal is not a single crystal, but is made up of tiny spheres of silica. This specimen is from Wallangulla, Queensland,

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'Black' opal cabochon specimen. Opal is not a single crystal, but is made up of tiny spheres of silica. This specimen is from Wallangulla, Queensland, Australia.

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Size: 4470px × 3909px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, aquatic, background, biological, biology, fauna, fish, jar, maculata, marine, mene, nature, preserved, specimen, white, wildlife, zoological, zoology