 | | Book (volume) | | cura dell'Ufflcio Tecnlco dell'I. I.E. Atlas Dlsegni di Gabriele Pozzi Coordlnatore edltoriale: Ilario Zonca...sono rlservatl In tutto ii mondo Flnlto di stampare nel mese di ottobre 1975 Carlo Maria Gramaccioli...Presentazione ...................... . . Spiegazione di alcune voci mineralogiche Introduzione ...... . ...Principali giacimenti di minerali alp1n1 . . . .. . .... . . .......... 3 I possibili tipi di simmetria ...... . . .. Esempi di classi di simmetria . . . . . . . . ... Relazioni tr:a piu forme di un cristallo . |  | | Book (volume) | | cura dell'Ufflcio Tecnlco dell'I. I.E. Atlas Dlsegnl di Gabriele Pozzi Coordlnatore editoriale: Ilario Zonca...aono rlservatl In tutto II mondo flnlto di stampare nel meae di ottobre 1975 'TO J."'-C, ic tl� ¥/...interessi nel campo scientifico da parte di una vasta schiera di appassionati dilettanti. Questi interessi...naturali e le discipline di tipo fisico-matematico, trova una larga accoglienza da parte di un pubblico numeroso...e fit tizio !) tornaconto. Seguendo lo sviluppo di queste tendenze dell'uomo moderno, sono fiorite in |  | | Journal (article/letter/editorial) | | (below left). Clear dodecahedra of grossular with prehnite, 7 × 6 cm, from the Jeffrey mine, Québec, Canada...include aegirine, allanite, calcite, epidote, prehnite, titanite, and microcline (Horváth and Gault 1990)...may be associated with diopside, quartz, augite, prehnite, and laumontite. It has been a long time since...have come from the Uncle Billy Rogers mine, Hope Valley, Alpine County. For those into the lapidary arts...one immediately thinks of the Alps, particularly Italy. Every major museum in the world has specimens from |  | | Journal (issue) | | Williams Minerals of the Alpine Rodingites of Italy ............................ 85 By C. M. Gramaccioli...that occur as fine display specimens, notably prehnite, pectolite, apophyllite, vesuvianite, diopside...assemblages (grossular, vesuvianite, diopside, prehnite, zoisite, chlorite) of hydrothermal origin. The...mineral assemblages. The occurrence of the grossular-prehnite-epidote group-vesuvianitediopside assemblage at...the habit usually associated with this mineral. Prehnite is common as green botryoidal masses but at this |  | | Journal (article/letter/editorial) | | Bonazzi and S. Menchetti Dipartimento di Scienze della Terra, Firenze, Italy With 7 Figures Received October...typical products Of regional metamorphism (mainly in prehnite-pumpellyite, greenschist and amphibolite facies)...Val d'Ala (Italy) (Italy) mmf Les Perr~res~ Val Tournanche Vesima, Voltri Group (Italy) aa mcg Dauphin~...Isola d'Elba (Italy) Pania Secca, Alpi Apuane (Italy) Ginevro mine, Isola d'Elba, (Italy) Monte Rosso...Rosso di Verra~ Monte Rosa Group (Italy) Montaju mine, Traversella (Italy) mmf aa mb aa aa Jakobsberg, Wermland | | | Journal (issue) | | Williams Minerals of the Alpine Rodingites of Italy ................ 85 By C. M. Gramaccioli An interesting...It was noI until I 88 1 (some five year� after 1he di covery of 1he nearby Thetford Mine asbc tos deposit)...serpentinizarion culminating in asbestos formation. The di tribution of shears and fractures. which channeled...mineral assemblages. The occurrence of the gro sular-prehnite-epidote group-ve uvianice diopsidc assemblage...crysta l structure. The available nickel egregated a di crete bleb of nickel-iron in the erpentine rock and |  | | Book | | [the Santa Lucia and Sa Duchessa mines,] Sardinia [Italy] (by F. Olmi, C. Sabelli & G. Brizzi) 19:305-310...ALBERTINI, CLAUDIO Famous mineral localities: Baveno, Italy 14:157168 ALBITE Davis Hill near Bancroft, Ontario:...8:287-293 Minerals of the Alpine rodingites of Italy (by C. M. Gramaccioli) 10:85-89 Micromounting in...Arcu su Linnarbu, Capoterra, Cagliari, Sardinia [Italy] (by R. Vochten & G. Brizzi) 18:181-184 AREM, JOEL...Wilson) 19:75 ARNO RNER VALLEY Minerals from the upper Arno River Valley, Tuscany, Italy (by M. Corazza, G |  | | Book (volume) | | R. (Sobolev, 1947). Olivine, tuff, Alban Hills, Italy (Fornaseri, 1951). Olivine, dunite, Dun Mountain...E. Tosnja i. 21. Talasskite, pegmatite, Talassa Valley, Siberia (Nikitin, 1936). »* Includes Na 0-045... p. 149. Grill, E., 1935. I minerali del granito di Baveno. La Fayalite. Periodico Min. Roma, vol. 6...Almost colourless sphene, Isernia, Campobasso, Italy (Bellanca, 1942). (Spectroscopic traces of Mg,...origin. REFERENCES Bellanca, A., 1942. Sulla titanite di Isernia (Campobasso) e sulla constituzione chimica |  | | Book | | Distributed by Crown Publishers, Inc. Printed in Italy Library of Congress Cataloging in Publication Data...limestones This specimen from Val d‘Ala. Piedmont, Italy 1s rise, in minerals pite, impure and limestones...magnificent Stalactitic grotto at Castellana in Italy. Ground water trickling through the roof deposits...amounts that we cannot detect them by the only Italy. ore-extraction water. Others are certainly present...being fashioned into attractive stones Right: Prehnite, a mineral which can sometimes produce a reasonably | | | Book | | Congress Catalog Card Number: 76-1419 Printed in Italy by IGDA, Novara 77-04773 Content* Introduction...magnificent stalactitic grotto at Castel/ana in Italy. Ground water trickling through the roof deposits...installations and tips from the pyrite mines of Niccioieta, Italy. Despite crushing during the ore -extraction process...being fashioned into attractive stones Right: Prehnite, a mineral which can sometimes produce a reasonably...good specimens come from the USA, Scotland and Italy. Periclase. This magnesium oxide mineral, which |
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Monte Rosso di Verra, Champoluc, Ayas, Aosta Valley, Italy