File:Oil Spot glaze thin section 2 ppl.jpg
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Summary
| Description |
English: Crystals formed during production of a Song Dynasty “oil spot” glaze on a ceramic tea bowl, as seen in a petrographic thin section under transmitted plane polarized light. The feather/petal structures are formed of colorless anorthite (a calcium-aluminum silicate), and brown iron oxides line those structures and fill in the spaces between them. Some round, colorless quartz remnants are also visible; the one in the upper right has converted to a high-temperature form of silica, cristobalite, with tiny tile structures covering the crystal. Viewed under a Nikon Eclipse 50i POL microscope, captured with a QImaging MicroPublisher 5.0 RTV CCD camera. |
| Date | |
| Source | Own work |
| Author | Chandra L. Reedy |
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This file was uploaded as part of Wiki Science Competition 2023. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:14, 15 December 2023 | | 2,560 × 1,920 (3.01 MB) | Chandra L. Reedy | Uploaded own work with UploadWizard |
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