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| | Journal (issue) | | varying a bit in
composition:
Barahonaite-(Fe)
(Ca,Cu,Na,Fe3+,Al)12Fe3+2(AsO4)8(OH)x·nH2O
is yellow with...crystals, up to
20 µm long.
Barahonaite-(Al)
(Ca,Cu,Al,Na)12Al2(AsO4)8(OH)x·nH2O
is pale blue in color. At...are as follows:
Diopside
Ca Mg Si2 O6
Augite
(Ca,Na) (Mg,Fe,Al,Ti) (Si,Al)2 O6
Judging from this, one...species:
Pigeonite
(Mg,Fe,Ca) (Mg,Fe) Si2 O6
Augite
(Ca,Na) (Mg,Fe,Al,Ti) (Si,Al)2 O6
As all these formulae...the one site has at least 90%
occupancy of Ca and Na; lower occupancyof that site would lead to the name | 👁 Image
| Coombs, Douglas S., Alberti, Alberto, Armbruster, Thomas, Artioli, Gilberto, Colella, Carmine, Galli, Ermanno, Grice, Joel D., Liebau, Friedrich, Mandarino, Joseph A., Minato, Hideo, Nickel, Ernest H., Passaglia, Elio, Peacor, Donald R., Quartieri, Simona, Rinaldi, Romano, Ross, Malcolm, Sheppard, Richard A., Tillmanns, Ekkehart, Vezzalini, Giovanna (1998) Recommended nomenclature for zeolite minerals: report of the subcommittee on zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names. Mineralogical Magazine, 62 (4) 533-571 doi:10.1180/002646198547800 | Journal (article/letter/editorial) | | MINATO 5-37-17 Kugayama, Suginami-ku, Tokyo 168, Japan ERNESTH. NICKEL Division of Exploration and Mining...distinguished solely on Si : Al ratio except for heulandite (Si : A1 < 4.0) and clinoptilolite (Si : A1 ~>...chabazite-Ca, Na, -K; clinoptilolite-K, -Na, -Ca; dachiardite-Ca, -Na; erionite-Na, -K, -Ca; faujasite-Na, -Ca...ferrierite-Mg, -K, -Na; gmelinite-Na, -Ca, -K; heulandite-Ca, -Na, -K, -Sr; levyne-Ca, -Na; paulingiteK, -Ca;...-Ca; phillipsite-Na, -Ca, -K; stilbite-Ca, -Na. Key references, type locality, origin of name, chemical | 👁 Image
| | Book | | counterbalanced by adding positively charged cations (Ca, K, Na, Li, Mg, Sr,
Ba, Cs) to produce an electrically neutral...zeolites such as analcime, chabazite, stilbite, and heulandite can be
easily identified, named, and cataloged...calcium-dominant phillipsite, K-dominant
phillipsite, K-Na-dominant phillipsite, etc.). The -ian suffix means...ratio can be written, for
example, as silica-rich heulandite rather than clinoptilolite. Descriptive modifiers...gismondine
(amicite, garronite, and gobbinsite), heulandite (clinoptilolite), natrolite (mesolite and scolecite) | 👁 Image
| | Book | | counterbalanced by adding positively charged cations (Ca, K, Na, Li, Mg, Sr, Ba, Cs) to produce an electrically neutral...zeolites such as analcime, chabazite, stilbite, and heulandite can be easily identified, named, and cataloged...calcium-dominant phillipsite, K-dominant phillipsite, K-Na-dominant phillipsite, etc.). The -ian suffix means...ratio can be written, for example, as silica-rich heulandite rather than clinoptilolite. Descriptive modifiers...gismondine (amicite, garronite, and gobbinsite), heulandite (clinoptilolite), natrolite (mesolite and scolecite) | 👁 Image
| | Report (volume) | | ZEOLITES WITH T10020 UNITS: THE TABULAR ZEOLITES
Heulandite and clinoptilolite (HEU)
Stilbite, stellerite................... . . . . . .81
Chabazite: (Cao.5,Na,KMA14Si8024] ·12H20 . . . ................... . ... . . . ...................83
Dachiardite: (Cao 5,Na,K)4[Al4Si20048}18H20 .................... . . . ...................... ..............86
Faujasite: (Na,K,Cao5,Mg0.5)56[Al56S i1360384]'235H20 . . ........ .. . . . ..................86
Ferrierite: (Mg05,Na,KMA16Si30072]·20H20 . . . . . . . . . . . . . . |
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