 | | 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 (issue) | | Williams Minerals of the Alpine Rodingites of Italy ............................ 85 By C. M. Gramaccioli...Gemstones We offer choice mineral specimens from PALA VALLEY, CALIFORNIA • MINAS GERAIS, BRAZIL • CLASSIC EUROPEAN...Collector Correspondence Invited Jim Dupont 391 Valley Road W atchung, NJ 07060 P.O. BOX 1311 QUARTZITE...Milan, Italy ince the early years of mineralogy, the beautiful minerals of the Ala-Tal (Ala Valley) have...scientists and collectors. This valley, approximately 50 km northwest of Torino, Italy, is accessible by a comfortable | | | 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...crysta l structure. The available nickel egregated a di crete bleb of nickel-iron in the erpentine rock and...} . 1e1ragonal prism m{ I IO}. and 1hc tetragonal di pyramid p{0 I I } . Figure 7. Grossular, hcssonite |  | | 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...biotite, magnesium-rich olivine, melilite, augite, perovskite, apatite, marialite and titaniferous magnetite...with kalsilite, gotzenite, sodalite, combeite, perovskite, etc. (Sahama and Hytonen, 1957). REFERENCES |  | | 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...good specimens come from the USA, Scotland and Italy. Periclase. This magnesium oxide mineral, which...encrustation of grossu/ar garnet crystals from Monte Rosso di Verra in Italy It may be useful to give some examples | | | 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...good specimens come from the USA, Scotland and Italy. Periclase. This magnesium oxide mineral, which |
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