 | | Journal (article/letter/editorial) | | Metal Pegmatites in the North Pilbara Craton, Western Australia MARCUS T. SWEETAPPLE† AND PETER L. F. COLLINS...of Technology, GPO Box U1987, Perth, WA 6845, Australia Abstract The Pilbara pegmatite province in the...giant Mount Cassiterite tantalum orebody in the Wodgina pegmatite district. Generally, rare metal pegmatites...boundaries. All of the major tantalum deposits (Wodgina, Mount Cassiterite, Tabba Tabba, Strelley, Pilgangoora)...ARCHEAN North Pilbara Craton in northwestern Australia (Fig. 1) is one of the world’s major tantalum |  | | Report (edition) | | Stocklmayer GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Gemstones of Western Australia FRONTISPIECE Euhedral black... MINERAL RESOURCES BULLETIN 25 GEMSTONES OF WESTERN AUSTRALIA by J Michael Fetherston, Susan M Stocklmayer...Stocklmayer Perth 2013 GEOLOGICAL SURVEY OF WESTERN AUSTRALIA MINISTER FOR MINES AND PETROLEUM Hon. Norman...EXECUTIVE DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Rick Rogerson REFERENCE The recommended reference...VC 2013, Gemstones of Western Australia: Geological Survey of Western Australia, Mineral Resources Bulletin |  | | Report (edition) | | maps produced by the Geological Survey of Western Australia are available from: Information Centre Department...Bulletin 25 GEMSTONES OF WESTERN AUSTRALIA Gemstones of Western Australia second edition While systematically...authoritative, the second edition of Gemstones of Western Australia is written not only for the professional geologist...et al. The second edition of Gemstones of Western Australia is an updated version published in response...formal inception of the Geological Survey of Western Australia (GSWA) in 1896. In this second joint publication |  | | Book | | A.A., F.G.A., Mr Digby Matheson, F.G.A.A., Mrs Beryl Gartrell, Miss G. Cook, The Australian Gemmologist...Printing Co Ltd, Tokyo. National Library of Australia Cataloguing in Publication data Perry, Nance Australian...colourbook series). ISBN 0 589 07012 6. I. Gems - Australia - Identification. I. Perry, Ron.joint author....wish to learn about the minerals and gems of Australia. PREFACE gemmologists, mineralogists in a specialised... It will travel throughout the backblocks of Australia and through the museums of our capital cities |  | | Report (issue) | | extraLapis English No. 2: Emerald The Most Valuable Beryl The Most Precious Gemstone Publisher Lapis International...ISBN 3-921656-58-3 Emerald The Most Valuable Beryl; the Most Precious Gemstone ------------ extraLapis... USA About Emeralds Emeralds· of the World Beryl and Emerald: Words from India ......4 A brief etymology...Mineralogically a Beryl ........10 Composition, structure, crystal habit, green beryl and trapiche emerald...without the base measures 16 x 14 cm. The crystal group is not natural but a montage stuck together with |  | | Book | | world mineralo- authority provides cultural beryl: and mineral collectors. here sciences, yet...material causes of to jewelry on the and beryl uses the techno- fora mineral only for and...cultural mineralogical once events. languages for beryl emerald logical to and part, Sinkankas explores...jewels—and relatives, beryl is a of the ago, the fabled Table golden beryl medicine years of...Queen 5500 Egypt the part is anywhere an beryl deposits, of fine crystal Sinkankas has in the |  | | Book (edition) | | to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System...America and Greenland, then Europe, Asia, Africa, Australia, and Antarctica), then those of pegmatitic origin |  | | Report (issue) | | Beryl and Its Color Varieties Page 4 Mineralogy of Beryl and the Beryl Group William "Skip" Simmons...Peak of Colorado Beryl Collecting Mark I. Jacobson Page 14 Crystal Structure of Beryl and Pezzottaite...England Gem Beryl Bruce Jarnot Page 16 Bazzite of the Alps Stefan Weiss Page 32 Beryl from the Pegmatites...Page 22 Beryl Color Varieties William "Skip" Simmons and Alexander Falster Page 49 Gem Beryl from Russia...Breithaupt's Beryl Seal Mineralogist Friedrich August Breithaupt had his seal carved into a beryl crystal |  | | Book | | There are six planes of symmetry. iv, H7 apatite beryl Similar to the hexagonal system. There are three...fade with time. can produce colour changes, A group including amber, ruby, ivory, Jluorite and opal...a microscope. Curved growth two pieces of pale beryl or rock crystal lines (instead of the straight...Jehangir. Diamond is widespread in of northern Western Australia. Probably Diamonds have been imitated by...Tokyo, 1971 19 \ GEM IDENTIFIER RUBY_^ CORUNDUM GROUP CHEMICAL COMPOSITION: ALUMINIUM OXIDE colour than |  | | Journal (article/letter/editorial) | | depth”. We list the general characteristics of each group in turn, and explain how petrogenetic processes...K-feldspar + muscovite + garnet + biotite ± apatite ± beryl ± tourmaline (Barr 1985); in light of the findings...findings of Evensen & London (2002), the presence of beryl and tourmaline is a sign that the anatectic melts...sequence in the Broken Hill area, New South Wales, Australia. Here, the metasedimentary sequence has a volcanogenic...Anatectic pegmatites formed in the mantle The western Pyrénées of France are the “type locality” of a |  | | Journal (issue) | | COLLECTION ISSUE 109 GEMSTONES Imitation green beryl In each issue this symbol (left) appears on the...you will receive as part of your collection. AUSTRALIA Subscriptions Telephone 103) 9805 1605, or write...THIS IS THECLOSESTTHEYHAVE COME Imitation green beryl is the term given to synthetic emeralds. The most...Crystals of green Tivasures of the Earth, emerald beryl showing twinning—even is the precious green variety...by of the mineral beryl (beryllium artificial means. Below: Cut crystals of the beryl aluminium silicate) |  | | Journal (article/letter/editorial) | | latecomers in the geologic record: the oldest known is beryl in pegmatites associated with the Sinceni pluton...appearance of the most abundant Be minerals, such as beryl and phenakite, early in the history of Be mineralization...complexes, supercontinent cycle, crystal structure, beryl Introduction Minerals are conventionally thought...necessary for the more common Be minerals, notably beryl, to appear, for example, 70 ppm in granitic pegmatites...either from the CNMNC IMA or the RRUFF web sites). Group assignment is based largely on Back and Mandarino |  | | Book | | slow crystal growth are spectacular; in Brazil a beryl crystal weighing 200 tons (l79 tonnes) was found...and the sapphire, both members of the corundum group; rubies owe their colour to traces of chrome, while...glass-like, and is commonly found in quartz and beryl. A ‘resinous’ lustre is displayed by sulphur, whilst...in southern France, northern Spain and eastern Australia. These paints were made from ground and powdered...back of the book. Below each identifier entry is a group of symbols that indicate specific the hardness |  | Mossman, D. J. (2005) Beryl and its Color Varieties.: By A. Falster, M. Jarnot, G. Neumeier, W. Simmons, G. Staebler, T. Wilson and M. Wise, eds.) ExtraLapis English edition, Lapis International LLC, P.O. Box 263, East Hampton, Connecticut 06424, U.S.A., 2005, 112 p. US $26 + $3 shipping to non-U.S. addresses, soft cover, ISBN 0 9715371 6 X. The Canadian Mineralogist, 43 (4) 1435-1436 doi:10.2113/gscanmin.43.4.1435 | Journal (article/letter/editorial) | | Mineralogist Vol. 43, pp. 1435-1442 (2005) BOOK REVIEWS Beryl and its Color Varieties. By A. Falster, M. Jarnot...cover, ISBN 0–9715371–6–X. Readers are welcomed to Beryl and its Color Varieties by William (Skip) Simmons...Alexander Falsterʼs advice that the term “beryl” applies not only to beryl, but also to four closely related...on colorful varieties of beryl (including the varieties aquamarine, red beryl, morganite, emerald, goshenite...Table of Contents) on: “Mineralogy of Beryl and the Beryl Group” (W. Simmons and A. Falster), “Pezzottaite” |  | | Journal (issue) | | of this new cesium-rich member of the beryl group. 302 Red Beryl from Utah: A Review and Update James...world’s only known occurrence of gem-quality red beryl. pg. 299 REGULAR FEATURES _____________________...optical centers • Gem-quality afghanite • Blue beryl discovery in Canada • Gem-quality corundum from...Akamatsu Tokyo, Japan A. J. A. (Bram) Janse Perth, Australia Thomas M. Moses New York, New York Alan T. Collins...THE COVER Within the beryl group, two of the rarest gem materials are red beryl and the new mineral pezzottaite |  | | Journal (issue) | | Affiliated Associations: Gemmological Association of Australia: Canadian Gemmological Association: Rhodesian...w e a l t h Sci. Industr. Res. Organization, Australia, Divn. Appl. Min., A n n . R e p t . 1966-1967...of the Varutrask pegmatite. XIV. The tourmaline group. Geol. For. Forh. Stockholm, 6 1 , 63-90. Voskrensenskaya...later shown to be a new m e m b e r of the axinite group. It was acquired for the Institute collections (registered...MAGNESIOAXINITE (1) MAGNESIUM R I C H A X I N I T E F R O M AUSTRALIA (2) AND F E R R O A X I N I T E F R O M FRANCE |  | | Journal (article/letter/editorial) | | tens of thousands! Shown in the photograph is a beryl crystal that has been in the collection at Harvard...dipyramidal form typical of its crystal class. Beryl crystals commonly are dominated either by the hexagonal...not seen in the hex agonal dipyramidal, or beryl, group except as the upper (or lower) half of the dipyramid...deserves a full set of credentials attesting to its Beryl specimen, locality unknown. origin, the manner...it had come from someone in Maine or New Hamp shire. Carl Francis points out its simi larity in color |  | | Book | | ButterworthsGemBooks Edited by Peter G. Read Beryl John Sinkankas Garnet John D. Rouse Pearls Alexander...Darragh Topaz D. B. Hoover Butterworths Gem Books Beryl John Sinkankas, Captain US Navy (Ret), PhD(Hon)...BritishLibraryCataloguingin PublicationData Sinkankas. John Beryl.-(Butterworths gem books) 1. Bervl II. Read, Peter...Publication Data Sinkankas, John Beryl Bibliography: p. Includes index 1. Beryl. I. Read, Peter G. II. Title...originally suggested that I should write a book on beryl to fit within the Butterworths Gem Books, edited |  | | Book | | org/details/berylO000sink Beryl Butterworths Gem Books Edited by Peter G. Read Beryl John Sinkankas Garnet...Darragh Topaz D. B. Hoover Butterworths Gem Books Beryl John Sinkankas, Captain US Navy (Ret), PhD(Hon)...Publication Data Sinkankas, John Beryl.—(Butterworths gem books) 1. Beryl U, hide II. Read, PeterG 553...Publication Data Sinkankas, John Beryl Bibliography: p. Includes index 1. Beryl. I.Read,PeterG. II. Title....originally suggested that I should write a book on beryl to fit within the Butterworths Gem Books, edited |  | Novák, Milan, Gadas, Petr, Filip, Jan, Vaculovič, Tomáš, Přikryl, Jan, Fojt, Bohuslav (2011) Blue, complexly zoned, (Na,Mg,Fe,Li)-rich beryl from quartz-calcite veins in low-grade metamorphosed Fe-deposit Skály near Rýmařov, Czech Republic. Mineralogy and Petrology, 102 (1) 3-14 doi:10.1007/s00710-011-0157-7 | Journal (article/letter/editorial) | | MINERALS Blue, complexly zoned, (Na,Mg,Fe,Li)-rich beryl from quartz-calcite veins in low-grade metamorphosed...Syn-tectonic quartz-calcite veins containing blue beryl are enclosed in hematite > magnetite-rich portions...Czech Republic. Aggregates of pale to deep blue beryl, up to 2 cm in diameter, are associated with euclase...dravite. Complexly zoned beryl crystals consist of skeletal aggregates of beryl I randomly distributed...volumetrically dominant beryl II with narrow rims of beryl III. All types of beryl have similar contents |  | Aurisicchio, C., Conte, A. M., De Vito, C., Ottolini, L. (2012) BERYL FROM MIAROLITIC POCKETS OF GRANITIC PEGMATITES, ELBA, ITALY: CHARACTERIZATION OF CRYSTAL CHEMISTRY BY MEANS OF EMP AND SIMS ANALYSES. The Canadian Mineralogist, 50 (6) 1467-1488 doi:10.3749/canmin.50.6.1467 | Journal (article/letter/editorial) | | 1467-1488 (2012) DOI : 10.3749/canmin.50.6.1467 BERYL FROM MIAROLITIC POCKETS OF GRANITIC PEGMATITES,...Ferrata 1, I–27100 Pavia, Italy Abstract Crystals of beryl from miarolitic pockets, hosted in pegmatitic dikes...substitution defined for the crystal chemistry of beryl. The following main features are illustrated: (1)...LCT host pegmatites. The presence of Ca in some beryl crystals in pegmatites emplaced in carbonate rocks...early-crystallized Fe-rich minerals. Keywords: beryl, EMPA and SIMS data, BSE images, X-ray maps, crystal |  | | Book | | slow crystal growth are spectacular. In Brazil, a beryl crystal weighing 200 tons was found and in Siberia...red. > > Range Burma, Thailand, Afghanistan, Australia, Brazil, Cambodia, India, USA. L_—_ SAPPHIRE...green, yellow, orange. Range Kashmir in India, Australia, Brazil, Burma, Cambodia, Kenya. CHRYSOBERYL...STCHOHOHCHOHTHEOSESSEHETSHOTREHEHHEHEHHHZES eoeeeee BERYL Beryls are characteristic of granite and pegmatitic...crystals in alluvial deposits. It is considered to BERYL/AQUAMARINE be a semi-precious gemstone, having a |  | Aurisicchio, Carlo, Conte, Aida M., Medeghini, Laura, Ottolini, Luisa, De Vito, Caterina (2018) Major and trace element geochemistry of emerald from several deposits: Implications for genetic models and classification schemes. Ore Geology Reviews, 94. 351-366 doi:10.1016/j.oregeorev.2018.02.001 | Journal (article/letter/editorial) | | In addition, the geochemical features of each group were linked to the geological environment and genetic... historians, and others. Emerald belongs to beryl-group minerals with general formula (Be3 Al2Si6O18)...rise to different varieties. More details about beryl structure are reported in numerous studies (Artioli...al., 1988, 2012). Emerald, the green variety of beryl, owes its color to the presence of Cr and/or V,...we try to link the geochemical features of each group to the geological environment and, in turn, to the |  | | Journal (issue) | | Affiliated Associations: Genu:nological Association of Australia: Canadian Genu:nological Association: Rhodesian...(4) T h e relationship and/or distinction between beryl-producing pegmatites and emerald-producing pegmatites...e pegmatites contain spasmodic minor amounts of beryl and the lithium minerals, petalite and lepidolite...to 3 em wide carrying quartz, mica and euhedral beryl 426 J. Gemm., 1977, XV, 8 as grey-coloured hexagonal...the mica-rock, but confined to within 20 cm of a beryl-containing pegmatite stringer. T h e y were especially |  | | Journal (issue) | | was a slave. He killed his master and escaped to Western Europe and returned to England in 1604. Here he...en route for the Laboratory from Cannon Street Station I passed by the Wren church (1680) of St Mary-le-Bow...lapidary club. It was started in 1982 by a small group of self-taught amateurs under the stimulus of an...1GriffithUniversity, University,Queensland, Queensland,Australia Australia 2 2Marbacher Str. 22b, 22b, D-8067 Petershausen...application of of uniaxial gem minerals corundum, beryl and quartz, as an immersion microscope is easily |
|
