 | | Journal (issue) | | Volume 38 / No. 8 / 2023 Colouration of Aquamarine and Yellow Beryl Pyrope from Vietnam Multicoloured...S Volume 38 / No. 8 / 2023 COLUMNS 743 What’s New CIBJO 2023 Conference Reports and Videos | De Beers...Sessions’ Webinars Gem Notes Cover photo: The aquamarine photo on the cover accompanies a feature article...from Santa Maria, Brazil. At top left is a 38 ct aquamarine set in an antiquarian ring with natural pearls...California, USA; photo by Mia Dixon. ARTICLES A Review of—and Proposed Explanation for—the Aquamarine (Blue |  | | Journal (article/letter/editorial) | | Aquamarine in the United States The Search Continues MARK I. JACOBSON Amoseas Indonesia, Mulia Tower...collectors seeking aquamarine are information about the geologic environment where aquamarine is found and...PROSPECTORS have spent countless time searching for aquamarine, the blue to bluegreen gemstone of beryl. The...The glassy blue appearance of natural aquamarine has an intoxicating effect, making it a favorite among...gemstone. This article reviews the best-known aquamarine localities of the United States and notes a few |  | | Book | | reworded, rearranged, and augmented by Mr Read with new information and a number of references to recently...Other early lapidaries 19 The Speculum Lapidum 21 New World emeralds 21 Agricola's De Natura Fossilium...Italy 53 France 54 Spain 55 Portugal 56 England 57 USA and Canada 62 Miscellaneous American beryls 65 South...Emerald colour 99 Colour filters for emerald 102 Aquamarine, yellow beryl and goshenite 103 Maxixe and maxixe-type...AND CHARACTERISTICS Rf (mean) DR Dispersion Aquamarine (blue/green) 1.570-1.575 -0.006 0.01 Bixbite |  | | Book | | reworded, rearranged, and augmented by Mr Read with new information and a number of references to recently...Other early lapidaries 19 The Speculum Lapidum 21 New World emeralds 21 Agricola’s De Natura Fossilium...Italy 53 France 54 Spain 55 Portugal 56 England 57 USA and Canada 62 Miscellaneous American beryls 65 South...Emerald colour 99 Colour filters for emerald 102 Aquamarine, yellow beryl and goshenite 103 Maxixe and maxixe-type...005 0.01 2.66 TS —0.005 0.01 2.68 Tes Aquamarine (blue/green) 1.570-1.575 Bixbite (red —same |  | | Show/Event (guide) | | EARRINGS 36 NE 1st Street., Suite 601 Miami, FL 33132 USA Tel: 305-371-3200, 818-434-8297 http://14k18kgold...ABBEY’S TREASURES INC P.O. Box 253 Burbank, CA 91503 USA Tel: 818-563-4122 http://abbeys-treasures-inc.com...Booth#: E307 Opals, emeralds, sapphires, amethysts, aquamarine and orange Garnet. ABENEZER ZENEBE IMPORT AND...4400 N. Scottsdale Rd. #9205 Scottsdale, AZ 85251 USA Tel: 480-437-0411 http://www.ajemfg.net Booth#:...stones. AF DESIGN GROUP 1239 Broadway New York, NY 10001 USA Tel: 212-698-2471 http://afdesigninc.com |  | | Catalog/List | | NATURE & SCIENCE OCTOBER 5, 2020 | NEW YORK / DALLAS THE JENA BLUE COLLECTION OF GEMS & MINERALS Front...COLLECTION OF GEMS & MINERALS October 5, 2020 | New York / Dallas Heritage Auctions 2801 W. Airport Freeway...to schedule an appointment. 2 E. 79th Street | New York, NY 10075 (Ukrainian Institute of America at the...online at HA.com/5434 LOT SETTLEMENT AND PICK-UP New York purchases will be available for pick-up on or...Kramer Managing Director Chicago BEVERLY HILLS NEW YORK SAN FRANCISCO CHICAGO PALM BEACH LONDON HONG |  | | Catalog/List | | 2021 4461_txt.indd 9 9 1/18/21 11:02 AM Aquamarine with Schorl and Quartz Shengus, Roundu District...found anywhere in the world. A prominent skyblue aquamarine crystal surrounded by lustrous black tourmalines...11:02 AM 4461_txt.indd 21 1/18/21 11:02 AM Aquamarine with Spessartine Dassu Mine, Shigar Valley, Skardu...color, and aesthetic arrangement. Clear, sky-blue aquamarine crystals growing out of a mountain of dark red...Ozark-Mahoning Group, Cave-in-Rock, Hardin Co., Illinois, USA 11.4 cm tall x 11.4 cm wide 24 4461_txt.indd 24 |  | | Journal (issue) | | tray. a -c:, CD ::,_ -< C: (/J (tl ?- z CD NEW ZEALAND GROUNDWORK /&:~ J ~ On :h~ Mineral Trail:...best examples come from Arizona and Utah in the USA, and from Zaire. Top right: A collection of small...with the mineral cerussite, from Bisbee, Arizona, USA. Aurichalcite is found exclusively in zones where...te is fo und in Arizona, South Dakota, New Mexico and Utah, USA. It is also com mon in Tsumeb, Namibia...yellow-coloured heliodor, pink morganite and blue aquamarine. Beryl also produces a corrosion-resistant metal |  | | Show/Event (guide) | | Street, Suite #10 Los Angeles, California 90014 USA Tel: 213 623 4000 Booth#: N215,N217 Silver and Stainless...aBBey’S TreaSureS inc P.O. Box 253 Burbank, CA 91503 USA Tel: 818-563-4122 www.abbeys-treasures-inc.com Booth#:...(specialized in calibration and far sizes), tourmaline, aquamarine, ruby, sapphire. aBdiaziz MohaMed youSuf Bole...Opals, emeralds, sapphires, garnets, amethysts, aquamarine, routile. aBk-STyl Ul. Grunwaldzka 504/7 Gdansk...4400 N. Scottsdale Rd. #9205 Scottsdale, AZ 85251 USA Tel: 480-437-0411 www.ajemfg.com Booth#: W715, W717 |  | | Report (issue) | | William "Skip" Simmons and Alexander Falster Page 28 New England Gem Beryl Bruce Jarnot Page 16 Bazzite of...Stoppaniite Fabio Tamagnini Page 40 Emerald and Aquamarine in Canada Lee A. Groat Page 22 Beryl Color Varieties...References Page 112 Author's Addresses Right: Aquamarine Rough from Marijao, Madagascar is sorted in a...specialists from the University of New Orleans in Louisiana (USA), with the lowdown on beryl mineralogy...mineralogy An ancient gemstone, aquamarine is well suited to modern design. The Bernd Munsteiner aqua and diamond |  | | Journal (issue) | | mineral books, old classic specimens, the David New diamond crystal inventory and mineral-related ephemera...Periodicals Postage (USPS 751-150) paid at Peekskill, New York and additional locations. Postmaster: Send address...from Kvanefjeld, Point of Rocks (Colfax Co., New Mexico, USA) and a few from Aris. 5-15 mm free-standing...producing many forms in crystals, but I believe the new Aris specimens are dominated by a combination of...went on. All in all this was a good show with many new finds and spectacular specimens of old classics. |  | | Journal (article/letter/editorial) | | material requires access to freshly plowed fields, new roadcuts, or recent excavations 36 ROCKS & MINERALS...retailing operation of New Mexico did with the development the same. Like New of Duval’s Mineral Mexico...already faceted stone and soon discovered it was a new mineral, which he described and named after the county...MINERALS Elvis L. Gray and William C. Forrest, the new mine owners, contributed greatly to the supply of...jeweler and specimen market (fig. 3). COLORADO: Aquamarine In April 1949, Mignon Pearl suggested that the |  | | Book | | Publications P.O. Box 13384 Los Angeles, CA 90013-0384 USA (Include a self-addressed, stamped envelope with...& Other Quartz Gems 31 Chalcedony 33 Emerald, Aquamarine & Other Beryls 36 Garnet 38 Iolite 41 Jade 41...on low- and medium-priced gem material such as aquamarine, garnet, quartz, tanzanite, topaz and tourmaline...popular faceting style for colored stones. Many new faceting styles have appeared on the market and gemstones...example, typically have some eye-visible flaws. Aquamarine, on the other hand, is normally eye clean. As |  | | Catalog/List | | PM CT by appointment only. 2 E. 79th Street • New York, NY 10075 (Ukrainian Institute of America at the...with euhedral Quartz crystals. The potential for new discoveries and exports is considerable as long as...renewed interest. There is a rebound in prices for new material, if the mine is still in production, or...images and bid online, visit HA.com/6150 73062 AQUAMARINE & MUSCOVITE Itatiaia mine, Conselheiro Pena,... Brazil This rather sizable, pale blue-green Aquamarine measures 2.95 inches (7.5 cm) across and 1.18 |  | | Report (volume) | | gem stones, such as tourmaline, beryl (emerald, aquamarine), spodumene (kunzite, hiddenite), zircon, and...hiddenite (blue-green gem variety of spodumene), and aquamarine, occurred in schleiren in gneiss. Only a few...BERYL Aquamarine, heliodor, morganite Be3Ala (SiO3)6 Physical properties: Varieties: Aquamarine (bluish...semiprecious varieties of beryl are aquamarine, heliodor, and morganite. Aquamarine ranges in color from yellowish... blue, and colorless crystals. The shades of aquamarine are probably due to the presence of ferric oxide; |  | | Journal (issue) | | ............................................ 55 USA ...................................................of InColor: International Gemmological Institute, USA/Belgium; Cody Opal, Australia ; Richard and Mary...Gemstar, Israel; Tom Cushman, USA/ Madagascar; Pala International, USA; Sokolov Co., Russia; Sant Enterprises...Hong Kong; The Gemological Institute of America, USA. InColor l Spring 2006 3 p4 21/05/2006 12:41 Page...West 21st Street, 7th Floor, Suite 705 New York, NY 10010-6805, USA tel: (212) 620-0900 fax: (212) 352-9054 |  | | Journal (issue) | | Gemmological Association of Great Britain Appoints New CEO Petra Diamonds Sells 32.33-Carat Pink Diamond...Sapphire Deposits Perettiite Classified By IMA As New Mineral Discovery Cover Feature 32 45 Trapiche:... InColor Bureau USA Claudiu Margarit claudiu@gemstone.org [1] (212) 620-0900 A new premium concept has...(852) 2365 9371 New York Office: 30 West 47th Street, Suite 201 New York, NY 10036, USA Tel: 1-212-620-0900...2016 conference were: Radioactive Isotopes,’ a new gemological the element has been trapped. The age |  | | Journal (issue) | | jeweler advises client on 5 carat solitaire. NEW YORK 7:00 AM Diamonds Graduate negotiates purchase...: 3 0 P M Core gem curriculum updated to reflect new research. Sales associate explains 4Cs to customer...log on to www.retailer.gia.edu CARLSBAD MOSCOW NEW YORK MUMBAI LONDON BANGKOK ANTWERP HONG KONG FLORENCE...Alan Jobbins Caterham, UK Thomas M. Moses New York, New York Mary L. Johnson San Diego, California Mark...edu Christopher P. Smith New York, New York Wuyi Wang New York, New York Christopher M. Welbourn Reading |  | | Catalog/List | | _ _ __ 26) AQUAMARINE with Stibiotantalite, Gilgit, Pakistan. One of the loviest aquamarine crystals,..._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ 31) AQUAMARINE, Madagascar. A very large single hexagonal crystal...Mn)(VO4h(OH).Rare++. MO brown XN. TN. £8 38) SURSASSITE, New Brunswick,Canada. Mn2Ah(SiO4)(SiiO7)(OH)3 . Rare+...Crestmore, near Riverside,Riverside Co., California, USA. White powdery 1.5mm coating limestone. MI.£3 --... Lake Valhalla, Montville, Morris County, New Jersey, USA. Pure FL SW blue. Ml. £8 50) AGRELLITE, Kipawa |  | | Book | | Emerald Topkapi emerald dagger Beryl Dom Pedro Aquamarine Modern carving and engraving Danburite Axinite...kyanite, celestine, emerald, tourmaline, and aquamarine. Other types of gem, released from their original...and where the breakage leaves a flat surface. Aquamarine Fracture Fracture is another way of describing...The angle between a and b is 120 degrees. In the USA, the trigonal is considered a division of the hexagonal...have very regular, flat, rectangular faces, like aquamarine. In other minerals like tourmaline, the rectangular |  | | Show/Event (guide) | | ABBEY’S TREASURES INC P.O. Box 253 Burbank, CA 91503 USA Tel: 818-563-4122 abbeys-treasures-inc.com Booth#:...4400 N Scottsdale Rd #9205 Scottsdale, AZ 85251 USA Tel: 480-437-0411 www.ajemfg.net Booth#: W715, W717...DESIGN GROUP NY 1239 Broadway. Suite 701 New York, NY 10001 USA Tel: 212-683-2559 http://afdesigninc.com/...SILVER DESIGN, LLC. 51 Dante Ave Hicksville, New York 11801 USA Tel: 646-235-3484 Booth#: Tent G1 Blue Amber... crystals spheres and points, tourmaline and aquamarine specimens, cut stones and citrine spheres. AM |  | | Journal (issue) | | Earth Fanciful & Fabulous Fire Agate American Gems – New Sources of Inspiration for the European Market 48...Update InColor Color Referencing ColorCodexTM – A New Tool for the Gemstone and Jewelry Industry 56 Two...Daniel Bronfen, Brazil Evan Caplan, USA Rocco Gay, Italy Sushil Goyal, USA Shahina Hatta, Hong Kong Dwarka...Hackman, USA Chief Executive Officer Gary Roskin ICA General Manager Claudiu Margarit ICA New York Office...Office 31 W. 47th Street, Suite 1103 New York, NY 10036 USA ica@gemstone.org T: 1.212.620.0900 F: 1.212.352 |  | | Journal (issue) | | process involves immersion for about one year in a new organic dye. All the dyed cultured pearl samples...spectrum could imply that irradiation produces a new fluorescent centre, and destroys the organic substance...colour-changed cultured pearls: Raman spectra 451 Some new unusual cat's-eyes and star stones Jaroslav Hyrsl...caused by flat hollow channels. Four-rayed star aquamarine from Brazil has one direction caused by hollow...directions of a perfect cleavage. 451 Keywords: aquamarine, chatoyancy, moonstone, rhodochrosite, stars |  | | Journal (issue) | | treatment. They contain a wide range of inclusions and a new texture found on some rough crystals, not previously...quite different from the commoner blue beryl, aquamarine, in that their colour has a different source...bring the record of the collection up to date. A new style Ever Ready P6 9-volt battery was fitted to...and have been returned to their owners, and the new additions comprise natrolite, oligoclase, sillimanite...SEM-Laboratory, University Basel, Switzerland Abstract A new deposit of sapphires in the Cyangugu district of |  | | Journal (issue) | | EDITORIAL REVIEW BOARD Robert Crowningshield New York, NY Pete Dunn Washington, DC Dennis Foltz Santa...Exploration, Occurrence, and Aquamarine Deposits Keith Proctor NOTES AND NEW TECHNIQUES 101 REGULAR FEATURES...News Book Reviews ABOUT THE COVER: Most of the aquamarine on the world gem market has come from the rich...and the geology and occurrence of the famous aquamarine deposits in particular, are discussedin the article...by Keith Proctor in this issue. The 898-grain aquamarine crystal on the cover, which is 13.8 cm high x |
|
