Agate
A polished slice of agate or chalcedony from Uraguay. Agate (silicon dioxide) is a cryptocrystalline quartz
Picture No
10707810
Media ID
47572672
Size
2598px x 2498px
(3.0MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Agate Banded Chalcedony Concentric Mineral Polished Quartz Ringed Silicate Slice Tectosilicate Uraguay
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