 | | Journal (article/letter/editorial) | | Minerals of the heulandite series in Norway - a progress report Fred Steinar Nordrum, Alf Olav Larsen...species in the heulandite series: heulandite-Ca, heulandite-Sr, heulandite-K and heulandite-Na, with calcium...mol-% of heulandite-Ca (heu-Ca), heulandite-Sr (heu-Sr), heulandite-Ba (heu-Ba), heulandite-Na (heu-Na)...(heu-Na), and heulandite-K (heu-K). Each analysis is denoted by two letters which assign the locality, a number...the analytical spot within the fragment. Most heulandite crystals are zoned, often showing large chemical |  | | Book | | professionally educated mineralogist. today call the Larvik plutonic complex have been described from the...system. Br0gger ( 1851- the various sites in the Larvik plutonic including involvement in the description...about 185minerals from these occurrences. in the Larvik plutonic complex, including since 1881,and became...and the publication of the elsewhere, and the Larvik pegmatites should be studied by modem methods...be fertile fields of investigation. part of the Larvik plutonic complex, The publication of this up-to-date |  | | Book | | content in framework aluminosilicates is always (Ca + Mg+ Ba + NaZ+ KZ)/AI = 1. Zeolites differ from...molecules. The general formula for a zeolite mineral is (Ca,NaZ,KZ,Ba,Sr,Mg,CsZ,LiZ)a[AlaSi n_a 0Zn] •xHZO The...counterbalanced by adding positively charged cations (Ca, K, Na, Li, Mg, Sr, Ba, Cs) to produce an electrically...zeolites such as analcime, chabazite, stilbite, and heulandite can be easily identified, named, and cataloged...ratio can be written, for example, as silica-rich heulandite rather than clinoptilolite. Descriptive modifiers | | | Book | | content in framework aluminosilicates is always (Ca + Mg+ Ba + NaZ+ KZ)/AI = 1. Zeolites differ from...molecules. The general formula for a zeolite mineral is (Ca,NaZ,KZ,Ba,Sr,Mg,CsZ,LiZ)a[AlaSi n_a 0Zn] •xHZO The...counterbalanced by adding positively charged cations (Ca, K, Na, Li, Mg, Sr, Ba, Cs) to produce an electrically...zeolites such as analcime, chabazite, stilbite, and heulandite can be easily identified, named, and cataloged...ratio can be written, for example, as silica-rich heulandite rather than clinoptilolite. Descriptive modifiers |
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