| | Journal (article/letter/editorial) | been described as triple-layer: gunterblassite, (K,Ca)3–xFe[(Si,Al)13O25(OH,O)4](H2O)7; umbrianite, ...K7Na2Ca2[Al3Si10O29]F2Cl2; and hillesheimite, (K,Ca,)2(Mg,Fe,Ca,)2[(Si,Al)13O23(OH)6] (OH)(H2O)8. These...coordinations O2–6 (x2) and O2–4(OH)2 (x3), and three K+ ions (+ minor Na+) with coordinations O2– 13 2(H2O)4...is [7]-coordinated by O2–4(F–,OH– )(H2O)2, and one K+ ion that is [8]-coordinated by (H2O)8. The interstitial...Ca2+ ion that is [6]-coordinated by O5(H2O), and two K+ ions [8]-coordinated by O6(H2O)2 and O3(H2O)5, respectively | | | Journal (issue) | (2009–2017) Arizona Mineral Minions (2016) FELLOWS Bryan K. Lees (2008–2016) Stephen Neely (2008–2016) Stuart...Carter (2012–2017) Wally Mann (2012–2016) George K. Hickox, Jr. (2012–2017) David E. Ellis (2012–2017)...May–June, 2017 Contents The St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany.................................. 319 Geology and Ore Mineralization ....................................working in the lode” (Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany |
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Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden