Opal gem with opal rock
The polished gem is from an unknown locality while the rough specimen of opal rock comes from Baracoo River, Queensland, Australia
Picture No
10704043
Media ID
47557063
Size
4945px x 3915px
(8.1MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Australasia Gemstone Glassy Hydrated Mineraloid Opal Opalescence Polished Silica
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