Sulfide Mineral Pyrite
Sulfide Mineral Pyrite
Mineral Sciences
Mineral Sciences
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Phyllosilicate Mineral Prehnite
Phyllosilicate Mineral Prehnite
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Nesosilicate Mineral Andradite
Nesosilicate Mineral Andradite
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Tectosilicate Mineral Quartz
Tectosilicate Mineral Quartz
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Nesosilicate Mineral Andalusite
Nesosilicate Mineral Andalusite
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Carbonate Mineral Smithsonite
Carbonate Mineral Smithsonite
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Phyllosilicate Mineral Biotite
Phyllosilicate Mineral Biotite
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Carbonate Mineral Rhodochrosite
Carbonate Mineral Rhodochrosite
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Quartz Agate [chalcedony]
Quartz Agate [chalcedony]
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Tectosilicate Mineral Chalcedony
Tectosilicate Mineral Chalcedony
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Agate, Fortification Agate variety [chalcedony]
Agate, Fortification Agate variety [chalcedony]
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Tectosilicate Mineral Chalcedony
Tectosilicate Mineral Chalcedony
![EO 080125 Quartz Agate [chalcedony] 001](https://collections.nmnh.si.edu/media/?i=16592743)
![EO 080132 Agate, Fortification Agate variety [chalcedony] 001](https://collections.nmnh.si.edu/media/?i=16592746)