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Astentofern, Hüttschlag, Großarl valley, Radstädter Tauern Mts, Salzburg, Austria 7.6 x 4.4 x 2.6 cm. Beautiful, botryoidal, sky-blue allophane with a pearly lustre and amorphous, pastel-green to tan allophane richly and showingly coats the top of the mica schist matrix on this old-time Austrian specimen. The ancient mines at Astentofern worked locally enriched sulphide impregnations in green slates. Comes with an expertly ... |
| © Rob Lavinsky | Photo ID: 228357 View Count: 69 |
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Eastern Metals Mine, St-Fabien-de-Panet, Montmagny RCM, Chaudière-Appalaches, Québec, Canada A 3"x2" piece collected by Fred Schuster in the summer of 2008. Probably Cu-allophane due to the color and association of copper sulphides in the mine. |
| Photo ID: 240297 View Count: 56 | |
Allophane : (Al2O3)(SiO2)1.3-2·2.5-3H2O | |
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Chessy-les-Mines, Rhône, Rhône-Alpes, France Collected in 1938 Size: 5 x 4 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 96168 View Count: 354 |
Allophane : (Al2O3)(SiO2)1.3-2·2.5-3H2O | |
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Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany Picture width 3 mm. Collection and photo Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 199767 View Count: 140 |
Allophane : (Al2O3)(SiO2)1.3-2·2.5-3H2O | |
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Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany Picture width 2 mm. Collection and photo Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 210991 View Count: 101 |
Allophane : (Al2O3)(SiO2)1.3-2·2.5-3H2O | |
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Vogelsberg, Hesse, Germany Allophane Field of view 2 mm Photo and Collection Patrice Queneau |
| © P.Queneau | Photo ID: 161841 View Count: 138 |
Allophane : (Al2O3)(SiO2)1.3-2·2.5-3H2O | |
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Rohdenhaus Quarry (incl. Krieger Quarry), Rohdenhaus, Wülfrath, Niederberg area, North Rhine-Westphalia, Germany field of view 4mm |
| © tho-thie@web.de | Photo ID: 60319 View Count: 443 |
Allophane : (Al2O3)(SiO2)1.3-2·2.5-3H2O | |
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Reiche Zeche Mine, Himmelfahrt Mine, Freiberg, Freiberg District, Erzgebirge, Saxony, Germany Blue cuprian allophane. Picture size 5 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 11617 View Count: 872 |
Allophane : (Al2O3)(SiO2)1.3-2·2.5-3H2O | |
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Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece Botryoidal 1cm area of vitreous blue allophane. |
| © Steve Rust | Photo ID: 13737 View Count: 1288 |
Allophane : (Al2O3)(SiO2)1.3-2·2.5-3H2O | |
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Hilarion Mine (Hilarion adit; Hilarion Mine No. 50), Hilarion area, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece Sky blue allophane coating.Width of picture:7mm |
| © Tamás Ungvári 2009 | Photo ID: 244825 View Count: 26 |
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