| Žáček, V., Škoda, R., Laufek, F., Košek, F., Jehlička, J. (2019) Complementing knowledge about rare sulphates lonecreekite, NH4Fe3+(SO4)2·12 H2O and sabieite, NH4Fe3+(SO4)2: chemical composition, XRD and RAMAN spectroscopy (Libušín near Kladno, the Czech Republic) Journal of GEOsciences, 64 (2) 149-159 | Journal (article/letter/editorial) | sulphates lonecreekite, NH4Fe3+(SO4)2·12 H2O and sabieite, NH4Fe3+(SO4)2: chemical composition, XRD and...Republic Corresponding author Lonecreekite and sabieite, hydrous and anhydrous ferric ammonium sulphates...volume of V = 1835.68(9) Å3. The composition of sabieite corresponds to the formula [(NH4)0.98K0.02]∑1...cm–1 (ν2), 643 cm–1 (ν4), 313 (M–O vibration) for sabieite; and at 991 cm–1 (ν1), 1132 and 1104 cm–1 (ν3)...(SO4)-group and ν2 and ν4 are bending modes). The sabieite most probably formed by in situ decomposition | | | Journal (article/letter/editorial) | accompanied by subordinate admixtures of mikasaite, sabieite, efremovite, langbeinite and aphthitalite has...Upper Upper Silesian Silesian coal coalbasin, basin,South SouthPoland. Poland. Nowadays, Nowadays, mineral-forming...described by Shcherbakova et al. [3] from Kopeysk, South Ural Mountains, Russia and approved by the IMA although...accumulations of godovikovite. Spectacular forms resembling cave stalactites hang from the ceiling of the larger... 11, 228 4 of 15 Spectacular forms resembling cave stalactites hang from the ceiling of the larger |
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