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Chalcedony | |
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Ballast Point, Tampa Bay, Tampa, Hillsborough Co., Florida, USA Half of a hollow formation of fossilized coral, sliced and polished to show the botryoidal chalcedony interior. Overall size of mineral specimen: 11x5x3 cm. Size of individual crystals: -. |
| © 2002 John H. Betts | Photo ID: 4781 View Count: 387 |
Chalcedony | |
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Ballast Point, Tampa Bay, Tampa, Hillsborough Co., Florida, USA One of my favorite specimens. The brown rim is calcite while the other side contains some remaining coral fragments. Specimen size 10 cm. Collection and photo: Albert Russ. |
| © Albert Russ | Photo ID: 89729 View Count: 149 |
Chalcedony | |
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Ballast Point, Tampa Bay, Tampa, Hillsborough Co., Florida, USA Chalcedony within ancient coral. Specimen is 12 cm across. Collection and photo: Albert Russ. |
| © Albert Russ | Photo ID: 163531 View Count: 62 |
Chalcedony (Var: Agate) : SiO2 | |
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Ballast Point, Tampa Bay, Tampa, Hillsborough Co., Florida, USA This quality piece of coral from Tampa Bay has been replaced by botryoidal agate and is 4 1/2 x 3 1/2 inches in size. In the Creekmur collection. |
| © Charles Creekmur | Photo ID: 18642 View Count: 652 |
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