Agate
Polished slice of agate from Uraguay. Agate (silicon dioxide) is a cryptocrystalline quartz
Picture No
10707809
Media ID
47572667
Size
4580px x 3904px
(4.6MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Agate Banded Chalcedony Concentric Cryptocrystalline Dioxide Layer Mineral Polished Quartz Rainbow Ringed Silicate Silicon Tectosilicate
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