File:Graphic granite (runite) 17.jpg
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| Description |
English: Gray = quartz (SiO2 - silica)
Pale-colored = K-feldspar (KAlSi3O8 - potassium aluminosilicate) Graphic granite, also known as runic granite or runite, has an odd but distinctive type of crystalline texture. Graphic granites are typically bimineralic and consist of interpenetrating crystals of quartz and potassium feldspar. The resulting texture somewhat resembles ancient writing (“graphic”). Observed examples resemble Cuneiform, Hebrew, or Arabic writing. These rocks occur in pegmatitic granite intrusions. |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/53508815112/ |
| 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@N05/53508815112. It was reviewed on 26 March 2024 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 | 19:36, 26 March 2024 | | 3,386 × 2,172 (5.62 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/53508815112/ with UploadWizard |
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