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Groutite : Mn3+O(OH) | |
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Jeffrey mine (Jeffrey quarry; Johns-Manville mine), Asbestos, Les Sources RCM, Estrie, Québec, Canada Group of groutite crystals to 35 mm long on vesuvianite. Photo and collection Antonio Borrelli. |
| © Antonio Borrelli | Photo ID: 45483 View Count: 370 |
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Emilie Mine (Bülten-Adenstedt Mine), Peine, Lower Saxony, Germany Mass of tabular crystals to about 3 mm, with minor barite on goethite. Field width: 3.2 cm. Specimen from the Kaiser Wilhelm shaft. P Haas photograph and collection (no. 46-012). |
| © Peter Haas | Photo ID: 14918 View Count: 587 |
Groutite : Mn3+O(OH) | |
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Emilie Mine (Bülten-Adenstedt Mine), Peine, Lower Saxony, Germany Picture width is 25mm. Nice black crystals of Groutite on Limonite. |
| © Elmar Lackner | Photo ID: 74305 View Count: 280 |
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Emilie Mine (Bülten-Adenstedt Mine), Peine, Lower Saxony, Germany 2.5 x 1.75 x .85 inches. Crystal-Odyssey specimen. gemcrystals@aol.com Classic black lusterous groutite crystal aggregates, ( XRD Proven )on limonite ore, with a white carbonate, probably kutnohorite, that shows a barite negative that was embedded. Found in 1962. Ex: Paul Hanses Collection. |
| © Joseph A. Freilich | Photo ID: 93685 View Count: 264 |
Groutite : Mn3+O(OH) | |
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Emilie Mine (Bülten-Adenstedt Mine), Peine, Lower Saxony, Germany Picture width is 8mm. Typical Groutite from this location. Depth of field is achieved with CombineZM. |
| © Elmar Lackner | Photo ID: 96213 View Count: 173 |
Groutite : Mn3+O(OH), Baryte : BaSO4, Goethite : α-Fe3+O(OH) | |
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Emilie Mine (Bülten-Adenstedt Mine), Peine, Lower Saxony, Germany Typicals aggregates of Groutite crystals with white Barite on a Goethite matrix Sample size: 8 x 6 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 106738 View Count: 141 |
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Emilie Mine (Bülten-Adenstedt Mine), Peine, Lower Saxony, Germany 11.1 x 5.6 x 5.4 cm. This is an outstanding specimen of crystallized groutite in huge crystals and in a rich quantity, as well. The cluster of crystals measures 3.5 x 3 cm and fills half of a hollow vug inside this manganese nodule (part remains packed with hardened kaolin clay). The overall specimen is important for the species, but also ... |
| © Rob Lavinsky | Photo ID: 215144 View Count: 67 |
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Emilie Mine (Bülten-Adenstedt Mine), Peine, Lower Saxony, Germany Excellent specimen with metallic lustrous and quite large groutite crystals (XRD-proven) from the Bülten-Adenstedt mine, a "predecessor" of the Emilie mine. Found at Kaiser-Wilhem shaft II in the early 1960s by the late Paul Hanses, Meggen (GER). Widht of specimen 4.5 cm. My collection. |
| © R. Lang 2009 | Photo ID: 221016 View Count: 61 |
Groutite : Mn3+O(OH), Orientite : Ca2MnMn2Si3O10(OH)4 | |
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Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy Crude black Xls of groutite in massive orientite. Field 4mm. Collection & photo R. Bracco. |
| © R. Bracco | Photo ID: 22888 View Count: 455 |
Groutite : Mn3+O(OH) | |
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Serra da Mina, Cercal (Cercal do Alentejo), Santiago do Cacém, Setúbal District, Portugal Groutite crystals up to 3mm in Goethite matrix - June of 2004 |
| © Martins da Pedra | Photo ID: 190479 View Count: 91 |
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