Precious opal
A Cameo representing the dawn, on a limonitic matrix from Australia. Opals are not truely crystalline and are therefore mineraloids. They comprise of (hydrated silica glass)
Picture No
10710483
Media ID
47575237
Size
2904px x 3055px
(4.3MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Artefact Artifact Australasia Cameo Hydrated Mineraloid Opal Opalescence Silica
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