 | | Journal (article/letter/editorial) | | This article was downloaded by: [University of Connecticut] On: 09 October 2014, At: 05:03 Publisher: Taylor...California 94305-2115 Downloaded by [University of Connecticut] at 05:03 09 October 2014 Abstract Zeolites...magnitude in heulandite, resulting in an overall Sr enrichment of lavas in the heulandite-stilbite zeolite...economic- 15 Downloaded by [University of Connecticut] at 05:03 09 October 2014 16 NEUHOFF ET AL...tetrahedrally coordinated Si and Al (Al tetrahedra adjoin Ca sites). Four distinct water sites are present (labeled |  | | Journal (article/letter/editorial) | | extraframework Ca is seven-coordinated. Up to ca. 100 °C, 1 H2O molecule is expelled reducing the Ca coordination...doubles and the structure is highly twinned. This new phase may be interpreted with a disordered model...T-O-T links. Starting at ca. 300 °C, another 1.2 H2O are lost and this new orthorhombic, strongly contracted...contracted phase of P212121 symmetry has five-coordinated Ca. The X-ray powder signal of the orthorhombic phase...(breakdown >800 °C). Among natural zeolites, those with Ca as dominant extraframework cation are of special |  | Yakovenchuk, V. N., Pakhomovsky, Y. A., Men'shikov, Y. P., Mikhailova, J. A., Ivanyuk, G. Yu., Zalkind, O. A. (2007) Krivovichevite, Pb3[Al(OH)6](SO4)(OH), a new mineral species from the Lovozero alkaline massif, Kola Peninsula, Russia. The Canadian Mineralogist, 45 (3) 451-456 doi:10.2113/gscanmin.45.3.451 | Journal (article/letter/editorial) | | 3.451 KRIVOVICHEVITE, Pb3[Al(OH)6](SO4)(OH), A NEW MINERAL SPECIES FROM THE LOVOZERO ALKALINE MASSIF...Abstract Krivovichevite, Pb3[Al(OH)6](SO4)(OH), is a new sulfate found in a natrolite – aegirine – orthoclase... fluorapatite, fluorite, halloysite, heulandite-Ca, heulandite-Sr, kupletskite, lamprophyllite, leucophanite...empirical formula, calculated on the basis of Pb + Ca + Al + S = 5 apfu is Pb3.04 Al0.94(S1.03O3.98)(OH)7...Petersburg State University. Krivovichevite belongs to a new structure-type of minerals and inorganic compounds |  | | Journal (article/letter/editorial) | | MiddlefieldRd. MS 999, Menlo Park, California94025, USA Received: 6 April 1995/Accepted: 10 April 1996 Abstract...Thrace are of Eocene-Oligocene age and are rich in heulandite and/or clinoptilolite. Those of Kimolos and Poliegos...principal zeolite at Metaxades can be classified as heulandite, although when this deposit was first described...(1972) suggested that the distinction between heulandite and clinoptilolite should be made on the basis...(below) ratio ( > 4 for clinoptilolite, <4 for heulandite), but we prefer to follow Mason and Sand (1960) |  | 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) | | International Mineralogical Association, Commission on New Minerals and Mineral Names DOUGLASS. COOMBS(Chairman)...Department, University of Otago, P.O. Box 56, Dunedin, New Zealand ALBERTOALBERTI Istituto di Mineralogia, Universit/t...International Mineralogical Association Commission on New Minerals and Mineral Names. In a working definition...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 |  | | Journal (article/letter/editorial) | | of clinoptilolite-Na → mordenite → heulandite, clinoptilolite-Ca, or epistilbite → stilbite, barrerite...veines: clinoptilolite-Na → mordenite → heulandite, clinoptilolite-Ca, ou epistilbite → stilbite, barrerite...13:13 1216 THE CANADIAN MINERALOGIST Parrsboro CA BL NAD AC A C K R RE MO OC EK RD K EN R NO TH ...present include mordenite, apophyllite, quartz, heulandite and epistilbite. However, many amygdales are...margin of amygdales and veins consist of either heulandite (Z250: Fig. 3C and Z645: Fig. 4) or clinoptilolite |  | | Journal (issue) | | 01884 821563 Only Road, We Always Have Something New • Please Send Us Your Wants List UK journal of...Aluminium): Oxygen of 2:1. Exchangeable cations (e.g. Ca 2+, Ba2+, Na+, K+) were loosely bonded within the...Minerals and Mineral Names has recently proposed a new definition of zeolite species which includes guidelines...guidelines on criteria for the acceptance of new species. The guidelines are outlined by Coombs et al. (...separate species, namely, heulandite-Ca, heulandite-Na, heulandite-K, and heulandite-Sr, referring to the |  | Pauliš, Petr, Hrůzek, Libor, Janeček, Oldřich, Sejkora, Jiří, Malíková, Radana, Pour, Ondřej, Fediuk, Ferry (2016) Zeolitová mineralizace ze Svoru u Nového Boru (Česká republika) [Zeolite mineralization from Svor near Nový Bor (Czech Republic)]. Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze, 24 (2) 194-204 | Journal (article/letter/editorial) | | 48)Σ2.62 (Si12.87Al5.21 Fe0.15)O36·15 H2O. Heulandite-Ca, forms twins of hemispheric shapes or fan-like...basis of chemical composition, two varieties of heulandite-Ca were determined, the Mg-rich one with empirical...18)O72·26 H2O. Two other zeolite species, chabazite-Ca and phillipsite-K were also found in the observed...observed association. Key words: offretite, heulandite-Ca, chabazite-Ca, phillipsite-K, powder X-ray diffraction...bylo sledováno energiově disperzním spektrometrem Oxford Instruments XMAX 80 spojeným se skenovacím elektronovým |  | | 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...years this has lead to the establishment of many new species that are compositional and structural analogs...Subcommittee for Zeolite Nomenclature of the Commission on New Minerals and Mineral Names (CNMMN) of the International | | | 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...years this has lead to the establishment of many new species that are compositional and structural analogs...Subcommittee for Zeolite Nomenclature of the Commission on New Minerals and Mineral Names (CNMMN) of the International |  | | Book (edition) | | The current progress in mineralog), with countless new data in books and scientific as well as amateur journals...submitted to, and accepted by, the Commission on New Minerals and Mineral Names (CNMMN) of the International...pure freibergite is very rare. The decision that a new mineral species is established when one of the cations...eudialyte, and several other groups: The number of new mineral species may grow as an avalanche, flooding...more structural sites, e.g. jahnsite(~fa). jahn ite-(Ca.\1nMn). etc. Other examples are pump~U);te-(Fe:, |  | | Journal (volume) | | residues from Castles ide Smelting Mill, County Durham, including a new slag mineral, copper antimonate 54-61...Wales Tom F. Cotterell 65-67 Clinoptilolite and heulandite from Wheal Hazard, St Just, Cornwall Alan Dyer...'Grain. David Green and coauthors report 18 minerals new to the Driggith and Sandbed Mines of which annabergite...analyses of millimetre-sized crystals labelled as 'heulandite' from Wheal Hazard, St Just, Cornwall and demonstrate...E., Mason, B. and Rosenzweig, A. (1997). Dana's New Mineralogy. John Wiley and Sons. Green, D.I., Rumsey |  | Pauliš, Petr, Radoň, Miroslav, Dvořák, Zdeněk, Sejkora, Jiří, Vrtiška, Luboš, Malíková, Radana, Dolníček, Zdeněk, Fediuk, Ferry, Pour, Ondřej (2018) Zeolitová mineralizace z Milířska u Těchlovic nad Labem (Česká republika) [Zeolite mineralization from Milířsko near Těchlovice nad Labem (Czech Republic)]. Bulletin Mineralogie Petrologie, 26 (1) 102-113 | Journal (article/letter/editorial) | | in the forrest area on a steep hill Pustý zámek, ca 1 km S of the settlement Milířsko, 2.5 km SE of Těchlovice...to the so-called Roztoky dyke swarm. Heulandite-Ca, stilbite-Ca and scolecite are the most prominent...prominent zeolites of this locality. Heulandite-Ca forms white, pearly lustrous transparent crystals up to 1 cm...sized up to 2 cm. The unit-cell parameters of heulandite-Ca refined from the powder X-ray data are: a 17...formula Na0.22Ca0.88(Al1.93Si3.06) O10·3H2O. Stilbite-Ca occurs as slightly yellowish aggregates up to 2 cm |  | | Journal (issue) | | Leicht, 875 North Pacific Coast Highway, Laguna Beach, CA 92651 (949) 494-7695 . . . 494-5155 . . . FAX (949)........................................ 80 What’s new in minerals .......................................zeolites, of which the commonest representatives are heulandite and stilbite, are an important group among the...associations in the Deccan Traps will continue, and new studies of older material will yield additional information...during the second century AD. Aquatint by James Wales ca. 1792. Wales was arrested by the Maratha Guard for |  | | Journal (article/letter/editorial) | | ignimbrites represent the ®rst Italian clinoptilolite/heulandite-rich occurrence of potential economic interest...genetic mechanisms that led to the crystallization of new phases after the emplacement of the units. After...geologists in their survey of the Bandelier Tu (New Mexico) in a similar volcanic succession (Smith and...clinoptilolite, opal-CT, smectite, and, rarely, heulandite, mordenite, and chabazite. The most frequent...glass shards or overgrow them (Fig. 3b). The rare heulandite crystals are generally larger than clinoptilolite |  | | Journal (article/letter/editorial) | | 37, NO. 2 8 8 Zeolites of the elinoptilolite-heulandite type in sediments of south-east England G. BROWN...Station, Harpenden, Herts. s OMMARV. Clinoptilolite-heulandite is reported from Jurassic, Cretaceous, and PaIaeocene...was volcanic. ZEOLITES of the clinoptilolite-heulandite type occur in many sedimentary rocks, particularly...further reflections, which corresponded with heulandite or clinoptilolite (table I). We have searched...and the basal Thanet Beds. Clinoptilolite and heulandite are closely related, and the distinction between |  | | Journal (article/letter/editorial) | | since been recovered, there have been no reported new species, and no substantial revision to the paragenetic...and Moss Agatefiom the Del Norte Area, Saguache County, Colorado” and appeared in the July/August 2003...Mountain having been recently acquired by Jefferson County Open Space, a governmental agency that emphasizes...the IabIe M0 U nt a inS near Golden, Jefferson County, Colorado Downloaded by [University of Kentucky...exposure has been mostly eradicated by a recent (ca. early 1990s) housing development that covers most |  | | Journal (article/letter/editorial) | | sequence of the Troodos Ophiolite consists of various Ca-, Ca – Naand Na zeolites associated in time and space...laumontite-stilbite/stellerite, (2) natrolite-thomsonite-heulandite, (3) analcime-gmelinite. The zeolite carbonate...up to 2.3 wt.% Ca, indicating that analcime contains about 20 mol. % of wairakite (Ca[Al2 Si4 O12] ·...restricted to specimens of nearly stoichiometric Ca[Al2 Si7 O18] · 7H2O (Coombs et al. 1997). On the...formula cited above. The Ca contents in gmelinite may run up to as much as 4 wt.% Ca identical to about 40 |  | | Journal (article/letter/editorial) | | (1996) 167-181 Surface chemistry of reacted heulandite determined by SIMS and XPS K. Vala Ragnarsdottir...accepted 23 April 1996 Abstract The mineral heulandite ((Ca,Na,K)A12Si7OI8.6H20, a zeolite) was reacted...depth to which the framework ion A1 is depleted. Ca is noted to be lowered to the same depth as AI. Throughout...of AI depletion, Ca has increased. This suggests an ion exchange between N a / K and Ca. These observations...the dissolution rates of the zeolite mineral heulandite (Na2.2KI.4Ca2.zAIj4.2Si233072. 24H20) have been |  | Pauliš, Petr, Hrůzek, Libor, Janeček, Oldřich, Sejkora, Jiří, Malíková, Radana, Pour, Ondřej, Fediuk, Ferry (2015) Tschernichit, garronit-Ca a doprovodná zeolitová mineralizace z Jehly u České Kamenice (Česká republika) [Tschernichite, garronite-Ca and associated zeolite mineralization from Jehla near Česká Kamenice (Czech Republic)]. Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze, 23 (2) 147-170 | Journal (article/letter/editorial) | | PŮVODNÍ PRÁCE/ORIGINAL PAPER Tschernichit, garronit-Ca a doprovodná zeolitová mineralizace z Jehly u České...Kamenice (Česká republika) Tschernichite, garronite-Ca and associated zeolite mineralization from Jehla...Pour O., Fediuk F. (2015) Tschernichit, garronit-Ca a doprovodná zeolitová mineralizace z Jehly u České...interesting finds are very rare tschernichite and garronite-Ca. Tschernichite forms clear very tiny dipyramidal...48Mg0.07Na0.04K0.14(Si6.49Al1.59)O16.8H2O. Garronite-Ca forms large, milky-white radial aggregates up to |  | | Journal (issue) | | in the British Isles. The discovery of a mineral new to a country such as Britain where the geology and...might otbeiwise be lost. Unlike the well-known county record schemes, which operate in subjects such...identification services. A few readers may be aware that a new book about the minerals of the British Isles is currently...abbreviated. For those ·who have found something new, unusual or remarkable there has never been a better...compiled a significant amount of information on new and unusual discoveries, but this feature is, of |  | | Report (volume) | | 1955 NATURAL ZEOLITES: OCCURRENCE, PROPERTIES, APPL/CA T/ONS D. L. BISH, D. W. MING, EDITORS MINERALOGICAL...to Zeolite Molecular Sieves. John Wiley & Sons, New York, 93 p Ch 16: p559: Missing from the first line...a decade or more. MSA is pleased to present this new work, diligently prepared over the past four years...soils (Chapters 6-12). Likewise, borrowing from new knowledge gained from studies of synthetic zeolites...Most of the material in this volume is entirely new, and "Natural Zeolites: Occurrence, Properties, Applications" |  | | Book | | C684003 F OXFORD UNIVERSITY PRESS OXFORD UNIVERSITY PRESS Great Clarendon Street, Oxford OX2 6DP ... Oxford University Press is a department of the University of Oxford. It furthers the University’s objective...scholarship, and education by publishing worldwide in Oxford New York Athens Auckland Bangkok Bogota Bombay Buenos...companies in Berlin Ibadan Warsaw Oxford is a registered trade mark of Oxford University Press in the UK and...University Press, 41 William Street, Princeton, New Jersey 08540 Originally published under the title: |  | | Journal (article/letter/editorial) | | both direct use and various modifications to create new low-cost functional materials for sustainable development...Minerals 2022, 12, 1628. Keywords: clinoptilolite; heulandite; ion exchange https://doi.org/10.3390/ min12121628... This circumstance makes it possible to develop new technological processes without much precaution and...These changes are the basis for the development of new zeolitic materials for different uses such as catalysts...and composites based on them. 2. Clinoptilolite–Heulandite Series: Classification and Composition Relation |  | | Journal (issue) | | ........................................ What’s New in Minerals........................................the term but it is probable that many relatively new collectors do not under stand it, so a brief discussion...mineral. In recent years more and more descriptions of new minerals have been based upon electron microprobe...that continued collecting commonly reveals new minerals and new know ledge. Again, many preferred that... CALL FOR APPT. 714-728-9121 5 MINERAL NOTES NEW MINERALS SCHUBNELITE La schubnelite, nouveau vanadate |
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