 | | Book | | melting to a white glass. The in in "zein" was dropped, an 0 was inserted, and lithos was changed to lite and...studies from this period in his eighteen-volume Atlas der Kristallformen (1913-1923). Dana (1898) defined...the center of some of the tetrahedra and produce an electrical imbalance in the framework that must be...cations (Ca, K, Na, Li, Mg, Sr, Ba, Cs) to produce an electrically neutral stable mineral. The feldspars...corners of aluminum-bearing tetrahedra. This is called an "interrupted structure" since the oxygen molecules | | | Book | | melting to a white glass. The in in "zein" was dropped, an 0 was inserted, and lithos was changed to lite and...studies from this period in his eighteen-volume Atlas der Kristallformen (1913-1923). Dana (1898) defined...the center of some of the tetrahedra and produce an electrical imbalance in the framework that must be...cations (Ca, K, Na, Li, Mg, Sr, Ba, Cs) to produce an electrically neutral stable mineral. The feldspars...corners of aluminum-bearing tetrahedra. This is called an "interrupted structure" since the oxygen molecules |  | | Journal (article/letter/editorial) | | and Petrology © Springer-Verlag 1999 Printed in Austria Wollastonite formation during Variscan post-tectonic...Summary Metaquartzdioritic plagioclase-biotite-quartz-gneiss at Artenberg, Schwarzwald, Germany, contains up...rock gneiss extending from the vein-gneiss contact several cm into the plagioclasebearing gneiss (hornblende...reaction in an open system of the hydrothermal carbonate with the orthogneiss in the presence of an externally...the vein-gneiss contact. The stability of wollastonite at the above P-T conditions records an Xco2 of |  | | Journal (article/letter/editorial) | | striJverite, 605 British Isles ENGLAND Bosahan quarry, Carnmenellis, Cornwall, granite (weathered), kaolinite...fluorite, 4Ol Hazlehead quarry, Penistone, muscovite, I76 Hepworth Iron Co. quarry, Hazlehead, Penistone...Swinden Limeworks quarry, Linton, fluorite, 4oi WALES(Cymru) Dorothea slate quarry, Nantlle, muscovite...119 Binhill quarry, Cairnie, Huntly, Aberdeenshire, tacharanite, scawtite, xonotlite, prehnite, 82o Bowman...hornblende-schist, laumontite, prehnite, kaolinite, 608 Hagdale quarry, Unst, Shetland, nickel hydroxide |  | | Catalog/List | | grey-white crystals on 2x3.5 inch surface. (Croft Quarry,Leicestershire) £5 ANATASE sharp black single crystal...(Toussit Morocco) £12 APATITE pure pinkish fibrous mass, an unusual form . (Kinzigtal,Black Forest, Germany)...on the surface, on feldspar. (Globe Mine.Petaca District, Rio Arriba County, new Mexico) £15 b) smaller...top, light brown fibrous on the edges. (Merehead Quarry, Mendips) 2x2.5 £4 HELVITE quite rich light brown...rich black xlline mass in matrix (Laytonville District,Mendocino County, California USA) 2x3 £ 16 bY |  | | Journal (article/letter/editorial) | | Berkshire; Ha#on attd Shabbington Wood, Buckinghamshire; Lower Froyle, Selt)orne, and West Worldham, tlampshire;...Upnor, Kent. Cornwall Bosahan quarry, Falmoath, biotite, 21o. Dean quarry, Coverack, The Lizard, analcime...analcime, natrolite, prehnite, calcite, 147. INDEX Drakewalls mine, Gunnislake, posnjakite, 740. Hingston...Loch Don, Mull, plumbogummite group, 935. Loch Feith an Leothaid, Loehinver, augite, bronzitc, t ~5Loyne...orthoclase, 489. Schyn-Schhtcht, Grisons, albite, I56. Austria (Osterreich) Burgstein, Oetztal, omphacite, 61 |  | | Journal (issue) | | green diopside on syenite matrix from the Jeffrey quarry, Asbestos, Quebec. Collected by miner Bruno Carriere...the Mineralogical Record was finally able to hire an assistant editor, Tom Moore. Tom had already been...and editing of new articles. Collecting history is an The Mineralogical Record, volume 46, November-December...mineral magazines: Lapis, extraLapis, Mineralien Welt, Der Aufschluss, Magma, Schweizer Strahler and the Munich...Germany, Switzerland (three!), the Hohe Tauem of Austria, Pi'fbram in the Czech Republic, the Carpathian |  | | Journal (article/letter/editorial) | | authors are printed in SMALLCAPITALS,Subjects in lower-case roman, and Localities in italics. The minerals...not included in this index Accra Plains, Ghana, gneiss, clinopyroxene, garnet, pargasite, 224 Actinolite...19 Binhill quarry, Cairnie, Huntly, Aberdeenshire, tacharanite, scawtite, xonotlite, prehnite, 82o Biotite...Island, India, gyrolite, okenite, laumonrite, prehnite, 658 Boron-melilite, formation by topotactic dehydration...dehydration of datolite, X-ray, structure, I58 Bosahan quarry, Carnmenellis, Cornwall, granite (weathered), kaolinite |  | | Journal (article/letter/editorial) | | authors are printed in SMALLCAPITALS,Subjects in lower-case roman, and Localities in italics. The minerals...BURCESS (A. S.), Computerized data processing from an X-ray texture goniometer, 428. Aucoa~r (J. W.) and...Zealand, grandidierite, 615. Blende, Algeria, Austria, Congo, France, Greece Spain, Yugoslavia, cathodoluminescence...Australia, alkali feldspar, anal., d2oi, 489. Bosahan quarry, Falmouth, Cornwall, biotite, 2IO. BOWDEN (P.)...see ATTEWELL(P. R.), 428. Burgstein, Oetztal, Austria, omphacite, 61. BURKE (E. A. J.), KIEFT(C.), FELItJS(R |  | | Journal (article/letter/editorial) | | Zoisite, the orthorhombic polymorph of clinozoisite, is an important gem mineral for faceting, and massive zoisite...nomenclature (Deer, Howie, and Zussman 1986) and an overabundance of names, such as fouqueite, pistacite...paper “The Mess that is Allanite” (Ercit 2002). In an attempt to bring some accepted order to this group...Nomenclature. The result of that work was to create an officially accepted list of known valid species as...from GoM3 O4 O10 slerwand, Prägratten, Tyrol, Austria. It typically forms elongated, Al O OH often striated |  | | Journal (article/letter/editorial) | | 'DOQHJRUVN3ULPRUVNL\.UD\5XVVLD D atolite is an interesting and widely distributed mineral that,...abundant boron, and, as such, it has been mined as an unlikely source of that element in unusual Russian...globular forms, sometimes having Dr. Robert B. Cook, an executive editor of Rocks & Minerals, is a professor... Associated minerals include calcite, quartz, prehnite, danburite, axinite, garnet, and the zeolites...as the Cheapside quarry at Deerfield, Franklin County, where it occurred with prehnite. Crystals from this |  | | Journal (article/letter/editorial) | | intrusions, rapid crustal uplift (about 1,5 kin/my) led to an increase in the geothermal gradient from < 30°C/km...considered, strike-slip faults seem to have played an important part during the late Variscan crustal evolution...Gernold Zulauf Geologisch-Pal/iontologischesInstitut der J. W. Goethe-Universit/it, D-60325 Frankfurt a. M...(Stettner, 1975), palynological evidence suggests a Lower Devonian protolith age for at least some of the...r on biotite; Kreuzer et al. 1990) and through Lower Permian acid volcanics (see Emmert, 1981). The latter |  | | Journal (article/letter/editorial) | | Vermiculite in Serpentinites of the Bohemian Massif in Austria* M. A. G6tzinger Institut fi,ir Mineralogie und...und Kristallographie, Universit~it Wien, Austria With 8 Figures Received February 28, 1986; accepted June...Academy of Sciences (Kommission fiir Grundlagen der Mineralrohstoff-Forschung). 94 M.A. G6tzinger...Serpentiniten der BOhmischen Masse in Osterreieh Die Vermiculitvorkommen der B6hmischen Masse sind an Peridotit-...gebunden, welche Granulit- und Amphibolitserien der GfiShler Einheit angeh/Sren. Auf Grund verschiedener |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline igneous rocks where sodalite...ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed |  | | Journal (article/letter/editorial) | | 1016/j.oregeorev.2019.01.005 This is a PDF file of an unedited manuscript that has been accepted for publication...among exploration geologists and petrologists to an alternative origin of “metasilica” and “metacarbonate”...raises the question “Quo vadis” pegmatology? It is an amendment to the mainstream geoscientific handling...named by the same author as greywacke-quartzite gneiss. Steiner (1986) treated them as a felsic mobilizate...2018). Therefore some open questions still await an answer and, consequently are dealt with in the current |  | | Report (issue) | | Prehnite Ca2Al2 Si3 O10 (OH)2 ° c 2001 Mineral Data Publishing, ver sion 1.2 Crystal Data: Orthorhombic...in ma¯c volcanic rocks; less commonly in granite gneiss or syenite; a typical product of low-grade metamorphism...Isµ ere. From Habachtal, Salzburg, and Ankogel, Austria. At Radauthal, near Harzburg, Harz Mountains, Germany...Jersey; in the Fairfax quarry, Centreville, Fairfax Co., Virginia; in the Roncari quarry, East Granby, Hartford...Hartford Co., Connecticut; in the Hampden quarry, West Spring¯eld, Hampden Co., Massachusetts. Fine crystals |  | | Journal (article/letter/editorial) | | Pune (Poona), Mahavashtva, India T he zeolites are an interesting and quite pleasing group of minerals...and { l l O } cleavages, is brittle, and exhibits an uneven fracture. Its hardness is 5-5.5, and its measured...calcium aluminum silicate with the Dr. Robert B. Cook, an executive editor of Rocks & Minerals, is a professor...minerals include a wide array of other zeolites, prehnite, calcite, and apophyllite-group minerals. Scolecite...lining fractures in gneiss at Mallison Falls, Windham, Maine, and at the Dexter quarry, Lincoln County, |  | | Report (issue) | | loose or resting on matrix of porous, pale yellow gneiss, so weak and friable that, Robert writes, trimming...possible. Shown here is one of the 30 specimens “from an older 1 =======================================...Kristallwand (“crystal wall”), Frosnitztal, East Tyrol, Austria. In the 4-cm matrix piece shown here—the one of...cm, from Kristallwand, Frosnitztal, East Tyrol, Austria. Saphira Minerals specimen and photo. For yet...active mining for metals had ceased in the Annaberg district—thanks to ongoing collecting by locals. I always |  | | Journal (issue) | | Microminerals Miscellany from France, the Eifel district, and Mont Saint-Hilaire ........................particular habit or feature lends elegance, accuracy and an admirable conciseness to one's speech and writing...then pumping in lightweight foam concrete to build an initial seal. Steel I-beams and reinforcing bars...abandoned mines in the United States. Since 1977 an average of ten people per year have been killed ir...same government that subsidizes tobacco growing at an incalculable cost in human life and suffering.) But |  | | Catalog/List | | Tucson Meteorite. Pyrites. The Occurrence of Prehnite Meteoric The Mineral Specimens. Mineralogy...obtained, more Note. - Galena offer large the an "iron cap” small often crystals it was Diorite...sharp, transparent stock, including with notches an side. the get a (see figure,) both have which...to the third twinning plane. horizontally with an and in occasional law, In all some a received...with “feathers” white cleavage planes. Recently an extraordinarily large quartz twin was received from |  | | Catalog/List | | Telemark Norway £ I 0 ✓10. LEPIDOLITE AND MUSCOVITE an interesting piece showing golden muscovite and mauve...some galena in the matrix, Bleiberg Carinthia Austria ( one of the most famous European mines) £20 Min...matrix with minor Hydrozincite Bleiberg Carinthia Austria £6 20. HUNTITE white chalky massive areas coating...small stilbite crystals 3x2 inches £25 Wagholi Quarry, Poona ,India 23. EUDIALYTE really excellent display...Nenthead area Cumbria - ok for display £ I0 27. PREHNITE pale green botryoidal area on 2x3 basalt, with |  | | Journal (volume) | | . . ..... 2. ANTTI SAVOLAHTI, Observations on Prehnite and Its Occurrence in Kangas niemi Parish, Finland...and Basic Bodies in the Rauhamäki - Kuronlahti District, Finland . . . . . . . . . . . . . . . . . . ...C. 1, London, England Mineralog-petrolog. Inst. der Universität, Basel, Schwei z Riksmuseet, Stockholm...emeritus Dr. Walter Wahl seinen 85-jährigen Geburtstag. An diesem Tage konnte er auf ein Leben mannigfältiger...1906 öffentlich verteidigte. Damit war für Wahl der Weg zur Mineralogie und Petrographie gefunden, ein |  | | Journal (volume) | | . . ..... 2. ANTTI SAVOLAHTI, Observations on Prehnite and Its Occurrence in Kangas niemi Parish, Finland...and Basic Bodies in the Rauhamäki - Kuronlahti District, Finland . . . . . . . . . . . . . . . . . . ...C. 1, London, England Mineralog-petrolog. Inst. der Universität, Basel, Schwei z Riksmuseet, Stockholm...emeritus Dr. Walter Wahl seinen 85-jährigen Geburtstag. An diesem Tage konnte er auf ein Leben mannigfältiger...1906 öffentlich verteidigte. Damit war für Wahl der Weg zur Mineralogie und Petrographie gefunden, ein |  | | Catalog/List | | afterwards. I can take phone orders but prefer you to have an order number ready. Individual Customers, please...~black cry~t~i;,o;-~;atrix. M~~nl Malo~O:. i:~n{ba District. IX I ins £5 2 AEGIRINE £10 Pyroxene Malawi lxl...plate new Analysis , Saga Quarry. Tvedalcn near Ix I £3 I x2 £6 2x2 £ 12 7 AN!lilTE Mica paper available... 22 AUGITE Large single black crystal about half an Paska Pole, Czechoslovakia £S Pyroxene inch long...- Creamy white micro crystals in cavirties Saga Quarry, Tvedalen, Norway Ix½ £3 59 BOEHl\lITE AIO OH inNatrolite |  | | Journal (article/letter/editorial) | | biotite/phlogopite, plagioclase, margante, paragonite, prehnite and pumpellyite, reveal a complex uplift history...for the regional evolution of the eclogites. Such an evolution has significance with respect to incorporation...andradite Aeg =aegirine Alm = almandine Amph = amphibole An =anorthite Bt =biotite CaTs = Ca-tschermaks Chl =chlorite...petrological investigations and field excursions (for an historical overview see Oknrsch et al., 1991). A...inverted slivers of anchimetamorphic Ordovician to Lower Carboniferous sediments and volcanics (Franke, 1984); |
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Gneiss quarry, Scheideldorf, Göpfritz an der Wild, Zwettl District, Lower Austria, Austria