• Erionite-Na Mineral Data

    webmineral.com/data/Erionite-Na.shtml General Erionite-Na Information : Chemical Formula: (Na2,K2,Ca)2[Al4Si14O36]•15(H2O) Composition: Molecular Weight = 2,809.97 gm Potassium 2.78 % K 3.35 % K 2 O: Sodium 4.57 % Na 6.16 % Na 2 O: Calcium 0.16 % Ca 0.22 % CaO: Magnesium 0.16 % Mg 0.26 % MgO: Aluminum 7.27 % Al 13.73 % Al 2 O 3: Iron 0.04 % Fe 0.05 % FeO
  • Erionite - Wikipedia

    en.wikipedia.org/wiki/Erionite-K The chemical composition of erionite is approximately represented by the formula (Na 2,K 2,Ca) 2 Al 4 Si 14 O 36 ·15H 2 O. It can be differentiated into Erionite-Na, Erionite-K, and Erionite-Ca forms based on the most dominant component. Erionite has a hexagonal, cage-like structure composed of a framework of linked tetrahedra.
  • Erionite-Na: Mineral information, data and localities.

    www.mindat.org/min-6917.html Erionite was first found at the Durkee Fire Opal Mine, Swayze Creek, Durkee, Baker Co., Oregon (Tschernich, 1992). In modern nomenclature, the original erionite was erionite-Na, but potassium was nearly equal to sodium. Levinson Rule suffix added in allusion to Na dominant excangable cations.
  • Erionite: Mineral information, data and localities.

    www.mindat.org/min-1399.html Erionite was first found at the Durkee Fire Opal Mine, Swayze Creek, Durkee, Baker Co., Oregon (Tschernich, 1992). In modern nomenclature, the original erionite was erionite-Na, but potassium was nearly equal to sodium.
  • Where is iron in erionite? A multidisciplinary study on ...

    www.nature.com/articles/srep37981 A large chemical variability characterizes this zeolite, with three different species identified according to the most abundant extra-framework cation: erionite-Na, erionite-K, and erionite-Ca 6,7 ...
  • Re-evaluation and re-classification of erionite series ...

    www.researchgate.net/.../5501746_Re-evaluation_and_re-classification_of_erion... Re-evaluation and re-classification of erionite series minerals. ... data from the literature as erionite-Ca, erionite-Na, and. erionite-K. If data did not pass either the E% or Mg-content test, ...
  • Category:Erionite - Wikimedia Commons

    commons.wikimedia.org/wiki/Category:Erionite Erionite-Na Mindat - Erionite-Na; Erionite-K Mindat - Erionite-K; Erionite-Ca Mindat - Erionite-Ca; Subcategories. This category has only the following subcategory. E Erionite-K‎ (1 F) Media in category "Erionite" The following 8 files are in this category, out of 8 total. Eriomit Ca kamieniołom Boghill, Glengormley, ...
  • Erionite-K Mineral Data

    webmineral.com/data/Erionite-K.shtml 09.GD.20 Erionite-Na (Na2,K2,Ca)2[Al4Si14O36]•15(H2O) P 6 3 /mmc 6/m 2/m 2/m : Other Erionite-K Information: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) See Also: Links to other databases for Erionite-K : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld
  • Erionite-Na upon heating: dehydration dynamics and ...

    www.ncbi.nlm.nih.gov/pmc/articles/PMC4780034 Both coexisting erionite-Na and -K species were analysed. The crystal-chemical formula of erionite-Na is (Na 3.91 K 2.35 Mg 0.71)[Al 7.36 Si 28.64 O 72.16] • 29.60H 2 O in close agreement with reference data for samples from the same locality 16,17. The enrichment procedure is detailed in Ballirano and Cametti 17.
  • Minerals | Free Full-Text | Different Erionite Species ...

    www.mdpi.com/2075-163X/8/2/36 According to Brunauer–Emmett–Teller (BET) sample surface area the amount of Fe(II) bound by the fibers was comparable with that retrieved for fibrous erionite-Na sample from Rome (OR, USA) for which the ion-exchange process mainly affected Na. This finding provides clear evidence of a strong tendency of Fe(II) to bind to the erionite structure.