 | | Report (issue) | | Rambergite MnS Crystal Data: Hexagonal. Point Group: 6mm. As minute hemimorphic pyramidal crystals...In anoxic laminated marine sediments (Gotland Deep, Baltic Sea). Reported from Ronneburg, Thuringia,...Prefecture, Japan. In sediment of the central Gotland Deep, Baltic Sea. Name: Honors Norwegian-Swedish geologist...n.d. References: (1) Kalinowski, M.P. (1996) Rambergite, a new polymorph of MnS with hexagonal structure... Kosuge, R. Miyawaki and S. Matsubara (2009) Rambergite from the Hirogawara mine, Urayama, Chichibu City |  | Lenz, Conny, Behrends, Thilo, Jilbert, Tom, Silveira, Miguel, Slomp, Caroline P. (2014) Redox-dependent changes in manganese speciation in Baltic Sea sediments from the Holocene Thermal Maximum: An EXAFS, XANES and LA-ICP-MS study. Chemical Geology, 370. 49-57 doi:10.1016/j.chemgeo.2014.01.013 | Journal (article/letter/editorial) | | Redox-dependent changes in manganese speciation in Baltic Sea sediments from the Holocene Thermal Maximum:...Anoxic basin Baltic Sea a b s t r a c t Manganese (Mn) enrichments in sediments of the deep basins of the...the Baltic Sea are believed to consist of Ca–Mn– carbonates that form from Mn oxides following periodic...periodic inflows of oxygen-rich North Sea waters. However, a range of Mn-bearing mineral phases, that besides...8000–4000 cal. yr BP) at a site in the northern Gotland Basin. Analyses were performed on epoxyembedded |  | Herndon, Elizabeth M., Havig, Jeff R., Singer, David M., McCormick, Michael L., Kump, Lee R. (2018) Manganese and iron geochemistry in sediments underlying the redox-stratified Fayetteville Green Lake. Geochimica et Cosmochimica Acta, 231. 50-63 doi:10.1016/j.gca.2018.04.013 | Journal (article/letter/editorial) | | surface waters overlying 25 anoxic to euxinic deep waters throughout the Proterozoic and even during...the center of Fayetteville Green Lake in the 73 deep basin (Figure 1). Optical dissolved oxygen (D.O...the Mn 152 sulfide minerals alabandite and rambergite (both MnS; Lenz et al., 2014), and braunite ...at 20 cm in the sediments and 186 were low in deep sediments relative to shallow sediments. Acid-soluble...phases 212 (Lenz et al., 2014) (Figure S2), rambergite (γ-MnS) was identified by μXRD (Figure 5D). No |  | | Journal (article/letter/editorial) | | Processes * * * Sulfides Alabandite MnS 2,7 2 Rambergite MnS 4,5,6,7,8 5 * * Ferrihydrite FeOOH...like Fe-anatase, kutnohorite-MnS (alabandite, rambergite), marcasite, and magnetite cycles. In manganese...formation model established in Ref. [86] can explain rambergite and alabandite formation. After deposition of...deposition and Mn-sulfide formation in the Gotland Deep, Baltic Sea. Geochim. Cosmochim. Acta 2002, 66, 1589–1600...et al. Iron oxide reduction in methane-rich deep Baltic Sea sediments. Geochim. Cosmochim. Acta 2017, 207 |  | | Journal (issue) | | about tin size, were new. They were water clear with deep reddish/purplish tips, colored by inclusions of...4147, Ontario, CA 91761, 909-355-9860) had a box of deep brown, large pseudomorphs of quartz after aragonite...tsumcorite group: Neues Jahrb. Mineral. Mon. 111-118. Rambergite . MnS, Hexagonal, dark brown to black, opaque...anoxi~, Iam!nated oroanic rich sediments from the Baltic Sea, and m cavities in a~phibole skarn with apophyllite...central Gotland Deep (Baltic Sea): Marine Geol., 137:201-205. Kalinowski, M.P., 1996, Rambergite, a new |  | | Journal (issue) | | conditions, pale blue sapphires (corundum) turned deep orange and pink kunzite (spodumene) turned green...convert pale blue topaz to the much more valuable deep blue color is on the order of 6,000 to 12,000 megarads...inches tall by 24 122 inches across and 12 inches deep, with 13 felt-lined drawers plus a top compartment...mine, measures 57 cm wide by 38 cm high and 25 cm deep with the longest crystals exceeding 27 cm in length...Devonian times through Precambrian rocks of the Baltic Shield. With an area of about 650 square kilometers |  | Zhang, Bang-Lu, Wang, Chang-Le, Robbins, Leslie J., Zhang, Lian-Chang, Konhauser, Kurt O., Dong, Zhi-Guo, Li, Wen-Jun, Peng, Zi-Dong, Zheng, Meng-Tian (2020) Petrography and Geochemistry of the Carboniferous Ortokarnash Manganese Deposit in the Western Kunlun Mountains, Xinjiang Province, China: Implications for the Depositional Environment and the Origin of Mineralization. Economic Geology, 115 (7). 1559-1588 doi:10.5382/econgeo.4729 | Journal (article/letter/editorial) | | formation in a euxinic water column (e.g., the Black Sea) (Wilkin et al., 1996, 1997; Wignall and Newton,...reduction does take place in anoxic waters (e.g., Black Sea), the Mn2+ produced is diluted into the ambient water...sediments under anoxic waters, such as the Black Sea, and the Mn2+ produced is diluted into the surrounding...modern Mn-rich unlithified sediments (e.g., the Baltic Sea, Panama basin, and Loch Fyne) where kutnohoritelike...sulfides such as rambergite (γ-MnS) have been observed in anoxic basins such as the Baltic Sea (Böttcher and |
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