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Baryte : BaSO4 | |
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Ilmenau, Thuringian Forest, Thuringia, Germany Cluster of baryte blades, like a book. 9 x 7 cm. Theses clusters are covered with a limonitic crust when found, which must be carefully removed to have this nice display.. |
| © Jacques Malassé | Photo ID: 213368 View Count: 35 |
Braunite : Mn2+Mn3+6[O8|SiO4] | |
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Elgersburg, Ilmenau, Thuringian Forest, Thuringia, Germany Bipyramidal crystals to 4 mm across. Field of view: 2.7 x 2 cm. 19th century specimen. P Haas photograph and collection (no. 82-007), ex Geipel collection (no. 1803). |
| © Peter Haas | Photo ID: 12728 View Count: 854 |
Braunite : Mn2+Mn3+6[O8|SiO4] | |
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Oehrenstock (Öhrenstock), Schorte valley (Schurde), Ilmenau, Thuringian Forest, Thuringia, Germany Rich druse of braunite from its type locality. Size 6×5 cm. Collection of Geologický pavilon of VŠB-Technical University of Ostrava (http://geologie.vsb.cz/gp). |
| © Jakub Jirásek | Photo ID: 92118 View Count: 241 |
Braunite : Mn2+Mn3+6[O8|SiO4], Pyrolusite : MnO2 | |
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Ilmenau, Thuringian Forest, Thuringia, Germany Black crystals of Braunite with acicular Pyrolusite Ex School of mines of Freiberg (Germany) Size: 5,5 X 4 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 238613 View Count: 48 |
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Oehrenstock (Öhrenstock), Schorte valley (Schurde), Ilmenau, Thuringian Forest, Thuringia, Germany 11.4 x 5.8 x 5.8 cm. Sharp, lustrous, pyramidal to subhedral crystals of braunite are scattered in the vuggy matrix of massive braunite on this old-time, 19th century specimen from the historic co-Type Locality - Oehrenstock, Ilmenau, Germany. Oehrenstock is an ancient manganese mining area and this is very rich solid manganese ore. Ex. Harvard ... |
| © Rob Lavinsky | Photo ID: 261461 View Count: 17 |
Carnallite : KMgCl3·6H2O | |
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Merkers, Bad Salzungen, Thuringian Forest, Thuringia, Germany photo&collection: Frank de Wit (width=14cm) |
| © Frank de Wit | Photo ID: 30329 View Count: 754 |
Carnallite : KMgCl3·6H2O | |
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Merkers, Bad Salzungen, Thuringian Forest, Thuringia, Germany photo&collection: Frank de Wit (heigth=9cm) |
| © Frank de Wit | Photo ID: 30328 View Count: 445 |
Carnallite : KMgCl3·6H2O | |
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Merkers, Bad Salzungen, Thuringian Forest, Thuringia, Germany photo&collection: Frank de Wit (heigth=11cm) |
| © Frank de Wit | Photo ID: 30330 View Count: 334 |
Goethite : α-Fe3+O(OH), Baryte : BaSO4 | |
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Atterode Mine, Bad Salzungen, Thuringian Forest, Thuringia, Germany Brown bladed barite crystals on goethite, field of view 10 cm. |
| © M. Adelt | Photo ID: 48181 View Count: 251 |
Gottlobite : CaMg[OH|(VO4,AsO4)], Hausmannite : MnMn2O4 | |
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Glücksstern Mine, Gottlob Hill, Friedrichroda, Thuringian Forest, Thuringia, Germany Orange-brownish tabular crystals of gottlobite with black hausmannite and colourless barite. Picture size 1.5 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 8061 View Count: 859 |
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