Agate
A cut and polished section of brown banded agate from Brazil. Agate (silicon dioxide) is a cryptocrystalline quartz
Picture No
10711163
Media ID
47584969
Size
3546px x 2801px
(4.0MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Agate Banded Chalcedony Concentric Contour Cryptocrystalline Mineral Polished Silicate
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