File:Gossan & aurichalcite (probably Mexico).jpg
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Size of this preview: 800 × 424 pixels. Other resolutions: 320 × 170 pixels | 640 × 339 pixels | 1,024 × 543 pixels | 1,280 × 679 pixels | 3,203 × 1,699 pixels.
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| Description |
English: Gossan is a porous rock rich in iron hydroxy-oxide minerals. It forms by oxidative weathering of various sulfide deposits. The bluish material is aurichalcite, a scarce zinc copper hydroxycarbonate mineral ((Zn,Cu)5(CO3)2(OH)6). It has a nonmetallic luster, a robin's egg blue color, and tends to form small, delicate needle-like crystals and crusts.
Locality: unrecorded (but probably Mexico; if so, possibly from the Ojuela Mine, Mapimí, northeastern Durango State, northern Mexico; the Ojuela Mine has an oxidized carbonate replacement deposit) |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/51604347703/ |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/51604347703. It was reviewed on 19 October 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:46, 19 October 2021 | | 3,203 × 1,699 (3.6 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/51604347703/ with UploadWizard |
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