 | | Journal (article/letter/editorial) | | Zapot pegmatite, Gillis Range, Mineral Co., Nevada, USA. Named in honor of W.B. Simmons. The sample is 1...2113/gselements.8.4.281 P egmatites are sources of gem-quality crystals of beryl, tourmaline, topaz, spodumene...discovered in Africa and Asia. Most high-quality gem minerals occur in miarolitic cavities found near...pegmatites and ultramafic host rocks. The most important gem-bearing granitic pegmatites formed at shallow levels...cavities in some pegmatites have produced tons of gem crystals valued in excess of $50 million. KEYWORDS |  | | Journal (article/letter/editorial) | | Pegmatites: ART Downloaded by [University of California, San Diego] at 03:56 02 March 2016 What TOURMALINE...from which many of the finest mineral specimens and gem materials are obtained. The minerals chosen will...Garnet Ledge dike, Little Three mine, Ramona, San Diego County, California. Varieties of elbaite: (c) rubellite...rubellite, 10 cm, Himalaya mine, Mesa Grande, California, found by Ralph Potter in 1958, William Larson...Dixon photo for Pala International; (d) green (verdelite) and yellow tourmaline, doubly terminated, 6 cm |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...Five Tourrmline-1 the first special issue in the Gem Minerals Series Introduction Notes from the Editor....................365 by C. A. Francis Pakistan Gem pegmatites of the Shingus-Dusso area, Gilgit, Pakistan............413 by A. M. Bassett California Recent work at the Himalaya m in e ..........................lepidolite, mined recently at the Himalaya mine, Pala, California. William Larson collection; photo by |  | | Book | | ) high from Tourmaline Queen Mine, San Diego County, Pala, California. Back Cover: Azurite and Malachite...endure wear. To resist being scratched, the ideal gem n1ust be hard; to resist being broken, it must be...that help determine the quality or suitability of a gem are transparency, clarity, and the evenness and depth...retain their hierarchical position by beginning the gem section in this book. However, we have grouped 13...the nan1e of the gem. The captions give sizes in both centin1eters and inches. Gem weights are given |  | | Report (issue) | | International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint...elbaite crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993...CHRISTIAN WEISE VERLAG, GERMANY AND LAPIS INTERNATIONAL, USA Tourmaline ♦ History ♦ Mineralogy • Tourmaline...this crown was not a ruby, but a tourmaline. The gem in this crown is now the oldest known important tourmaline...until its early eighteenth century arrival on the gem mar kets of Amsterdam, that tourmaline gained notice |  | | Journal (issue) | | Jan/Feb 2024 Vol.99, No.1 ROCKS MINE ."Iii[! iil"J www.tandfonline.com/vram Pegmatite Minerals & Gems...Francis Maine Mineral & Gem Museum, ME John Rakovan New Mexico Institute of Mining & Technology, Socorro...Kampf, l.A. County Museum of Natural History, CA Virgil W. Lueth, New Mexico Institute of Mining & Technology...across a local area net\,vork. Subscription offices: USA/North America: Taylor & Francis Group, LLC, 530 Walnut...Copyright Clearance Center (www.copyright.com) in the USA or the Copyright Licensing Agency (www. cla.co.uk) |  | | Book (edition) | | Oak Tree Press Co., Ltd., P.O. Box 34, Brickfield Hill, Sydney 2000, N.S.W. Distributed in the United Kingdom...Peninsula, and in New South Wales at Broken Hill. In U.S.S.R. very fine crystals at Turnisk in Perm...in Colorado at Aspen and in Boulder County; also in several mining areas in Arizona. Good specimens have...Norway. In Australia, silver is found at Broken Hill in New South Wales. Mexico has been a big producer...masses are found in the Mother Lode country of California, as in El Dorado, Calaveras, Kern and Tuolumne |  | | | | by Oak Tree Press Co. Ltd P.O. Box 34, Brickfield Hill, Sydney 2000, N.S.W Distributed in the United Kingdom...Yorke Peninsula, and in New South Wales at Broken Hill. In U.S.S.R. very fine crystals at Turnisk in Perm...in Colorado at Aspen and in Boulder County; also in several mining areas in Arizona. Good specimens have...Norway. In Australia, silver is found at Broken Hill in New South Wales. Mexico has been a big producer...masses are found in the Mother Lode country of California, as in El Dorado, Cala¬ veras, Kern and Tuolumne |  | | Journal (issue) | | Elbaite candelabra from the Tourmaline Queen Mine in California. Source: Smithsonian Institution; photo:...Androscoggin County (left) and Greenwood, Oxford County (top). Photos: Bob Cooke. traces of iron. Verdelite is...conditions required to create elbaite (or other gem or top-quality minerals) in pegmatite pockets makes...economic viability of production from deposits of gem and specimen-bearing pegmatites is usually intermittent...because the pockets can seldom be predicted. The mining situation can literally be boom and bust, especially |  | | Book (volume) | | The Bowers Museum of Cultural Art Santa Ana, California + GEMSTONES OF EAST AFRICA by Peter C. Keller...Nevada; blue, cushion cut topaz (25.30 ct), Ramona, California; brownish yellow octagonal calcite (21.30 ct)...ct), Ramona, California; deep red cushion cut rhodochrosite (25.56 ct), Sweet Home Mine, Colorado; colorless...Kern County, California; octagonal step cut violetish pink kunzite (26.61 ct), Pala, California. NECKLACE...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75 | | | Book (volume) | | The Bowers Museurn of Cultural Art Santa Ana, California GEMSTONES OF EAST AFRICA by Peter C. Keller...red-orange spessartine garnet ( 16.62 et), Ramona, California; deep red cushion cut rho...Kern Cowny, California; octagonal seep cut violetish pink kunzite (26.61 et), Pala, California. NECKLACE...blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75 diainonds... His works are known to almost every collector, gem cutter, gemologist, and mineralogist. His writings |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...ELBAITE crystal, 7.3 cm, from the Alto Ligonha district, Mozambique. American M useum of Natural History...20:191-200 MALAWI Zomba district, 25:29-35, 38 MOROCCO Bou-Azzer, 9:69-73 Toussit mine, 11:59-61, 15:347-350...15:347-350 NAMIBIA Kombat mine, 22:421-425 Tsumeb (special issue, vol. 8, no. 3) Tsumeb, 13:137-147, 13:155-157...Museum for Tsumeb, 10:116-118 The Onganja mining district, 27:85-97 The Otavi Mountain Land, 28:109-130 |  | | Journal (issue) | | Petersburg University specimens **- St.-Petersburg Mining Museum specimens 2 W o r l d of Stones. Ng 1 I...the authors of this article, was opened in the Mining Museum of St. Petersburg not long ago and another...Unusual Crystallization or... Mineral Pathology? //Mine mlogicheskii zhurnal. 1989.1.11, N 2. p.96-98. 10...popularity in the world, while it is the leader in the USA. Recently, well known jewelry stones have been joined...graduating from the Petrograd (now St. Petersburg) Mining Institute. Working here for nearly a year, the |  | | Book | | copper are in the Keweenaw Peninsular, Lake Superior, USA, the largest being I 5 x 7 x 3m (approx. 50 x 23...140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law twins up to...Superior, Michigan, USA. Wires, up to 100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica... 48 mm, El Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on...fine gold wires come from Farncomb Hill near Breckenridge, Colorado, USA. Fine crystals were also found in |  | | Book | | copper are in the Keweenaw Peninsular. Lake Superior, USA, the largest being 15 x 7 x 3m (approx. 50 x 23 x...(5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law twins up to...Superior, Michigan, USA. Wires, up to 100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica...jewelry, electronics. Gold, 411 mm. El Dorado, California. U.S.A. Gold Au CUBIC • • Properties: C...found in many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold |  | | Book (edition) | | Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado |  | | Journal (issue) | | gressman@minrec.org Articles The Malkhan Pegmatite District Krasny Chikoy, Transbaikalia, Eastern Siberian...the Forgotten Pocket, Sosedka pegmatite, Malkhan district. The same specimen as shown from a different angle...$324/three years, (Canada) $186/one year, (outside USA other than Canada) $265 for one year Subscription...Via (deceased) Salim Edde Daniel Trinchillo Lyda Hill Scott A. Rudolph Daniel J. Record Gail & Jim Spann...com | w w w. FineMineral.com Malachite Shilu Mine, Brazil 21.5 cm CRYSTAL CLASSICS FINE MINERALS |  | | Book | | important areas where pegmatites occur are Brazil, the USA (North Carolina and Maine), India, Madagascar, and...surface, or on the surface of the Earth. The Alpine-Himalaya system formed by folding during the Tertiary contains...well as the Atlas (North Africa) and Cordilleras (USA). There are many kinds of extrusive igneous rocks...Gold-bearing veins are found in the USA (Mother Lode, California), in Australia (Mount Morgan), in the...veins are found, for instance, in Butte, Montana (USA), in the Lake Superior region, Michigan, and in former | | | | | important areas where pegmatites occur are Brazil, the USA (North Carolina and Maine), India, Madagascar, and...surface, or on the surface of the Earth. The Alpine-Himalaya system formed by folding during the Tertiary contains...well as the Atlas (North Africa) and Cordilleras (USA). There are many kinds of extrusive igneous rocks...Gold-bearing veins are found in the USA (Mother Lode, California), in Australia (Mount Morgan), in the...veins are found, for instance, in Butte, Montana (USA), in the Lake Superior region, Michigan, and in Yugo- |  | | Book | | important areas where pegmatites occur are Brazil, the USA (North Carolina and Maine), India, Madagascar, and...surface, or on the surface of the Earth. The Alpine-Himalaya system formed by folding during the Tertiary contains...well as the Atlas (North Africa) and Cordilleras (USA). There are many kinds of extrusive igneous rocks...Gold-bearing veins are found in the USA (Mother Lode, California), in Australia (Mount Morgan), in the...veins are found, for instance, in Butte, Montana (USA), in the Lake Superior region, Michigan, and in Yugoslavia; |  | | Journal (issue) | | Front cover: Sulfur on Aragonite, 25 cm Cozzodisi mine, Casteltermini, Agrigento, Sicily, Italy. Adalberto...times some mineral specimens, encountered during mining or found casually in natural outcrops, were collected...deposits and the development of a !arge number of mining operations. In the above-mentioned famous rnineral...place in the Sardinian mines and the Traversella mine (Piedmont). The second edition of the Catalogue...dedicated their Jives to studying and mining the pegmatite rninerals of San Piero in Campo on the island of |  | | Journal (volume) | | Mexico. Eight-sided crystals from the Traversella mine, Piedmont, Italy. .&. crystals. It can also be...necklaces and other ornaments. It occurs as rare gem-quality crystals and as shapeless specimens. D ...South Africa; and Maine and other regions of the USA. Minor deposits of rose quartz can also be found...comes from the metal chromium, which occurs in the gem crystal. The shade may vary according to the angle...in Afghanistan , India, Pakistan, China, Montana, USA, and Norway. • • TWo 19th-centurv brooches set with |  | | Book | | Pape HARRIS COUNTY PUBLIC LIBRARY , | 3 4028 04886 ’ ; “4 : BP ae - ms bs . -a i 7 : ; -...Jewelry, Fresno, California (USA). Collection: Michael M. Scott, San José, California. Photo: Erica and...from William Larson’s Stuart Mine in the Pala Mountains, California (USA). Next to it, a step-cut, red-green...century. In the Middle Ages — before the art of gem cutting was understood +-these flowers of the mineral... Collection: Houston Museum, Houston, Texas (USA). Photo: Erica and Harold Van Pelt, Los Angeles. |  | | Book (edition) | | HEIDELBERG • LONDON NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO Butterworth-Heinemann...House, Jordan Hill, Oxford OX2 8DP, UK 30 Corporate Drive, Suite 400, Burlington MA 01803, USA First published...1 2 The Geological Sources of Gems Crystalline Gem Materials 3 40 Part II 3 4 5 6 7 8 9 10 11 12 13...The Biological Gem Materials The Fashioning of Gemstones Value-Enhanced Gemstones and Gem Materials 292...library for virtually all sources. Derivations of gem and mineral names are not given; they can be found |  | | Book (edition) | | vanadinite, Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For...Photo Editor: Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce © |
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Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA