File:Organic acid salt on agate and metal-white-corrosion.jpg
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Stone. Corrosion and efflorescence caused by pollutants. Comments: White organic acid salts formed on the agate and metal from pollutants released by storage materials. Image credit: Photograph by Pam Hatchfield © MFA Boston. Permission received 9/15/2020 from Pam Hatchfield via email to SSpringer
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:31, 26 March 2021 | | 684 × 444 (74 KB) | Sspringer (talk | contribs) | Stone. Corrosion and efflorescence caused by pollutants. Comments: White organic acid salts formed on the agate and metal from pollutants released by storage materials. Image credit: Photograph by Pam Hatchfield © MFA Boston. Permission received 9/15/2020 from Pam Hatchfield via email to SSpringer |
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