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Allophane
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| Mineral: | Allophane: Al2O3·(SiO2)1.3-2·((H2O))2.5-3 | ||||
| Comments: | Blue, cuprian, botryoidal allophane on matrix. | ||||
| Location: | Reiche Zeche Mine, Himmelfahrt Mine, Freiberg, Freiberg District, Erzgebirge, Saxony, Germany. | ||||
| Scale: | Picture size 5 mm. | ||||
| Copyright: | © Thomas Witzke / Abraxas-Verlag | ||||
| Counter: | This Image has been shown 20858 times | ||||
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