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Chalcedony, Calcite : CaCO3, Pyrite : FeS2 | |
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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria Yellow ball of Calcite; + pale purple-blue Chalcedony-crust, small Pyrite-cubes; Picture width: ~50mm; Field collected /by: 1999/ReMi; Collection/photo: ReMi/ReMi |
| © ReMi | Photo ID: 46051 View Count: 416 |
Chalcedony, Calcite : CaCO3 | |
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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria White chalcedony covering calcite crystals. FOV ~ 9 x 6 cm. |
| © Christian Bracke | Photo ID: 197015 View Count: 44 |
Ferrierite : (Na,K)2MgAl3Si15O36(OH)·9H2O | |
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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria FOV 2,5 mm; Chris Auer photo and collection, self collected in 1986 |
| Photo ID: 158141 View Count: 111 | |
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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria Picture width is 12mm. Excellent white tuffs of Ferrierite-Mg. |
| © Elmar Lackner | Photo ID: 75006 View Count: 442 |
Ferrierite-Mg : (Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72]·18H2O | |
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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria Picture width 2mm. Photographer and collection O. Dziallas. |
| © O. Dziallas | Photo ID: 38892 View Count: 354 |
Ferrierite-Mg : (Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72]·18H2O | |
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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria Nice sprays of Ferrierite-Mg. Picture width is 1,5mm. |
| © Elmar Lackner | Photo ID: 204152 View Count: 82 |
Ferrierite-Mg : (Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72]·18H2O | |
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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria Field of view 18 mm on a 3x4 cm specimen. Small Ferrierite spheres partially pigmented black. |
| © Volker Betz | Photo ID: 233830 View Count: 64 |
Ferrierite-Mg : (Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72]·18H2O | |
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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria Field of view 9 mm. Obtained by exchange in the 1970´s. Zeolite collection of Volker Betz. |
| © Volker Betz | Photo ID: 225487 View Count: 61 |
Ferrierite-Mg : (Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72]·18H2O | |
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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria dimension area mm. 10 x 10 photo and collection Luigi Chiappino |
| © luigi chiappino | Photo ID: 213757 View Count: 55 |
Pisolite | |
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Basalt quarry, Weitendorf, Wildon, Graz, Styria, Austria Field of view 1,5 cm - Photo & collection M.Mader |
| © 2005 - MMI | Photo ID: 33171 View Count: 808 |
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