 | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...are in violation of current FTC regulations. The American Gem Trade Association requires that its members...Engineer Shortage The decline in the number of American colleges and universities emphasizing or teaching...Additional information may be obtained from the American Gem Trade Association, 3030 LBJ Freeway, Suite...Creek area, Last Chance Mining District, Plumas County, California. Axis, volume 1, number 1, pages 1–30 |  | | Journal (issue) | | KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com...by C. J. Stefano Giroux Point, the Bagdad mine, Yavapai County, Arizona .................................$278/two years, (Canada) $231/one year, (outside USA other than Canada) $325 for one year Subscription...number of fine, display-quality mineral specimens. American mineral and gem dealer Charles Locke Key (“Charlie”...recovered by a miner from the 2800 level of the mine. The miner called the acicular mineral “red copper |  | | Catalog/List | | in Montana, calcite in Utah, silver, galena, sphalerite, and amethyst in Creede, Colorado, azurite and...Liberty Dollars. He is now putting together an early American dollar set from 1794 to 1803 and a collection...QUARTZ RHODOCHROSITE District Mine. Climax Climax olTolg-Yole Lake. County. ncredibly difficult it is...years to find a specimen rhombs rhombs Climax Mine, ot rhodochrosite $50 OOU 60.000 Ex The ...ollection County, Colorado; measures 8 nn ae from the \ slight ¢ « nax 1g Mine : The Kevin |  | | Journal (issue) | | 39 • NUMBER 3 American Mineral Treasures Issue! $15 Wayne & Dona Leicht, 875 North Pacific Coast Highway...Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Steven R. Morehead...Three Tucson Show Issue 2008 “American Mineral Treasures” The American Mineral Treasures Exhibition,...COVER: COPPER, 8.3 cm, from the Central mine, Keweenaw County, Michigan—considered by some to be the world’s...Mineral Museum, and was on display as part of the American Mineral Treasures exhibition at the 2008 Tucson |  | | Catalog/List | | Todd Hignite, Ext. 1790 ToddH@HA.com Fine ArT AMERICAN & EUROPEAN PAINTINGS & SCULPTURE HA.com/FineArt...Hartsock, Ext. 1283 ArianaH@HA.com ART OF THE AMERICAN WEST HISTORICAL MANUSCRIPTS HA.com/WesternArt...1777 StevenC@HA.com HisToriCAl HA.com/Sports AMERICAN INDIAN ART Chris Ivy, Ext. 1319 CIvy@HA.com Peter...on the ear tips, the American Bobcat is one of the most successful North American predators. This one...49002 COYOTE FULL-BODY MOUNT Canis latrans The American Coyote is probably the smartest and most successful |  | | Journal (issue) | | VOLUME 39 • NUMBER 1 $15 Wayne & Dona Leicht, 875 North Pacific Coast Highway, Laguna Beach, CA 92651 (949)...Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Steven R. Morehead...100-year history of the Benitoite Gem mine, San Benito County, California . . . . . . . . . . . . . ...Benitoite Gem mine, San Benito County, California. Natural History Museum of Los Angeles County collection;...Visit our Website: www.MineralogicalRecord.com American Mineral Treasures! By the time you read this it |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted...1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's finest ilmenite |  | | Journal (issue) | | VOLUME 38 • NUMBER 3 $15 Wayne & Dona Leicht, 875 North Pacific Coast Highway, Laguna Beach, CA 92651 (949)...Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino... on calcite, from the El Oriente tunnel, Chivor mine, Boyaca, Colombia. William Larson collection; Van...calcium vanadium silicate minerals from Oregon. American Mineralogist, , 405–411. WHITE, J. S. (2002) Cavansite...wilensky Rhodochrosite, 21/4 inches, N”Chwaning Mine, Cape Prov., South Africa. Ex-collections Steve |  | | Journal (issue) | | Pakistan • Record-breaking emerald from Hiddenite, North Carolina • Emerald-in-matrix from Bahia, Brazil...introduced was the Malossi hydrothermal synthetic emerald (Adamo et al., 2005), which was gemologically similar...suggested that they were related to spinel. SYNTHETIC EMERALD AND OTHER BERYLS Available in the gem trade since...This is believed to be a new type of synthetic emerald colored only by Cr3+. The highly diagnostic growth...Separation of the Malossi product from natural emerald is relatively straightforward. Irregular growth |  | | Journal (issue) | | Canadian Gemmological Association|First World Emerald Symposium|Gem-A|Geological Society of America ...Edward Boehm, RareSource, Chattanooga, Tennessee, USA; Alan T. Collins, King’s College London; John L....Emmett, Crystal Chemistry, Brush Prairie, Washington, USA; Emmanuel Fritsch, University of Nantes, France;...E. Post, Smithsonian Institution, Washington DC, USA; Andrew H. Rankin, Kingston University, Surrey; George...Rossman, California Institute of Technology, Pasadena, USA; Karl Schmetzer, Petershausen, Germany; Dietmar Schwarz |  | | Journal (issue) | | Beaton, Kenneth F. Rijsdijk, Riccardo Befi, and Alexander U. Falster The geology, mining, and properties...International pg. 71 Tucson report • Emerald-bearing gem pockets from North Carolina • Spessartine from Loliondo...Myanmar • Large gem pocket discovered in San Diego County, California • Green sodic plagioclase from East...of the stability and durability of nine common emerald-filling substances. Receiving second place was...Beaton, Kenneth F. Rijsdijk, Riccardo Befi, and Alexander U. Falster Copper-bearing tourmaline from Mozambique |  | | Journal (issue) | | presentations and special reports|GIT Lab Updates|USA lifts ban on Burmese ruby and jadeite|Margaritologia...inclusions|Clinohumite from Vietnam|Lace opal from Utah, USA|Pollucite from Pakistan with polylithionite inclusions|Large...Edward Boehm, RareSource, Chattanooga, Tennessee, USA; Maggie Campbell Pedersen, Organic Gems, London;...Emmett, Crystal Chemistry, Brush Prairie, Washington, USA; Emmanuel Fritsch, University of Nantes, France;...E. Post, Smithsonian Institution, Washington DC, USA; Andrew H. Rankin, Kingston University, Surrey; George |  | | Journal (issue) | | crystals on matrix, 17.2 cm, from the N’Chwaning I mine, collected in 1978. Private collection and photographer...Tucson USA Visit us at these international shows: Houston Ste. Marie Denver Munich USA France USA Germany...and Riverpark Inn Rhodochrosite, Sweet Home Mine, USA, 10 cm Photo: Malte Sickinger MARCUS BUDIL Monaco...budil-minerals.com Chrysocolla on Malachite Mashamba West Mine Democratic Republic of Congo 26 cm - Joe Budd Photo...mineral shows worldwide! Rhodochrosite - Sweet Home Mine, Colorado - 13cm | Brazilianite - Minas Gerais, |  | | Journal (article/letter/editorial) | | portion of a quartz vein from the North American Emerald mine, North Carolina, showing six healed fractures...data from a large, chemically and color-zoned sphalerite crystal (Fig. 3a) from the OH vein of the Creede...temperature and salinity during formation of the sphalerite crystal are known, but how these parameters varied...The same microthermometric data for the Creede sphalerite shown in Figure 3 have been replotted on Figure...Temperature (°C) 270 Fig. 3. (a) Large, color-zoned sphalerite crystal from the OH vein of the Creede epithermal |  | | Journal (issue) | | Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2015 Gemological Institute of America All rights...meeting in Baltimore, the first International Emerald Symposium in Bogotá, Colombia, and the 34th International...itself—are American Bar, Dana Bar, Metropolitan Bar, Spokane Bar, French Bar, Magpie Gulch, and Emerald Bar...Sunburst dome Browning Pin u ori Lewis pe 49°N USA lin tic An Spokane ell Purc Ho Snowshoe ie Moy...Archean and Proterozoic development of the North American continent. The Proterozoic basin formed a large |
|
