 | | Report (issue) | | Publisher Lithographie, Ltd. Denver, Colorado, USA Design and Layout Gloria A. Staebler ยฉ 2012 Lithographic...Lithographic, Ltd. PO Box 11613 โข Denver, CO 80211 โข USA Phone: 1.303.495.5521 โข Fax: 1.303.482.1238 W\\w...of America PHOTO CREDITS Cover: Quartz variety amethyst, 10.5 cm tall Goboboseb Mountains, Erongo Region...collection, Jeff Scovil photo Title (facing) Page Amethyst mouse with gold tail, 130 grams, 6.3 cm wide Carved...Brazilian amethyst Private collection, Robert Weldon photo ยฉ 2009 GIA Page 2 Quartz variety amethyst, 3.5 |  | | Journal (article/letter/editorial) | | Fluorite in Arizona BARBARA L. MUNTYAN 3500 S. Beryl Avenue Tucson, Arizona 85735 azmarmot@gmail.com...specimen photos by Jeff Scovil Figure 1. Map of Arizona showing noteworthy fluorite localities; prepared...William Besse. W hen one thinks about outstanding Arizona minerals, fluorite may be far down on the species...But Mindat lists no less than 390 localities for Arizona fluorite, distributed among twelve counties, suggesting...(http://mindat.org/fluorite/Arizona; accessed March 2016). The only area in Arizona without much fluorite is |  | | Journal (article/letter/editorial) | | or prismatic with a square cross-section. Their prism faces are vertically striated and are commonly unusually...produced from the French Creek Iron mines in Chester County, Pennsylvania. Spectacular groups of pearly white...cavities in a trap-rock quarry at Centreville, Fairfax County, Virginia (Medici 1972). Interestingly, the type...Ore Knob massive sulfide copper deposit in Ash County, North Carolina, where surprisingly good crystal...recovered from the Phoenix and Clark mines of Keweenaw County, Michigan. Interesting crystallized apophyllites |  | | Journal (issue) | | et al. was said to have originated in the Wessel mine near Hotazel by Karuman, N. Cape Province, S. Africa...limitation imposed by the refractive index of the prism material. This makes it useless for a number of...accurate process, if the gem is cut as an equilateral prism. Having measured the apex angle A and the angle...on the spectrometer, the refractive index of the prism material can be calculated from n= sin(^) j โ...small right-angle glass prism to simulate a gem. The 45ยฐ angle of the prism is measured by the refractometer |  | Kawasaki, Masayuki, Nagase, Toshiro, Onuma, Kazuo, Katsumata, Tooru, Sunagawa, Ichiro (2006) Appearance of basal faces in natural amethyst crystals from Four Peaks, Arizona. European Journal of Mineralogy, 18 (2) 273-278 doi:10.1127/0935-1221/2006/0018-0273 | Journal (article/letter/editorial) | | Appearance of basal faces in natural amethyst crystals from Four Peaks, Arizona MASAYUKI KAWASAKI1*, TOSHIRO...and internal inhomogeneities of amethyst crystals from Four Peaks, Arizona were investigated by means of...crystal morphology, rough (0001) face, natural amethyst, growth history, dissolution. 1. Introduction...rhombohedral r{1011}, minor rhombohedral z{0111} and prism m{1010} faces. The appearance of a basal c{0001}...the characteristics of the morphology of natural amethyst crystals with basal faces and discuss the mechanism |  | | Report (volume) | | stones that react to heat are: violet quartz (amethyst) changing to orange brown, smoky quartz to yellow...Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great |  | | Book | | Scotland 59 France 62 6 Occurrence: The Americas 63 USA 64 Mexico 72 Panama 75 Brazil 75 Canada 80 7 Occurrence:...Pleochroism Occurrence Rock crystal (colourless), amethyst (violet-purple), citrine (yellow to brown), rose...opaque). Single crystal specimens of rock crystal, amethyst, citrine and (rarely) rose quartz occur in prismatic...prismatic form terminated by rhombohedra. Prism faces are horizontally striated. Crystals show left- and...varieties mainly massive in form. Fairly pronounced in amethyst (blue, reddish-violet). In almost all rock types |  | | Journal (issue) | | Mineralization of the Four Peaks Amethyst Deposit, Maricopa County, Arizona......................... 72 by...described years ago by Charles Wheatly of Wheatly mine fame, who was manยญ ager at both the Perkiomen and...that is listed, but as a mineral at the Gap Nickel Mine. Gap is a miniature Sudbury, and platinum and platinum...still collectable at the old Gap nickel mine in Lancaster county, Pa. The minerals are found in the pyrrhotite...is wide open yet. The locality, General Trimbleโs mine, is long gone. It was gone in the 30โs, but lots |  | | Journal (issue) | | Jean COWMAN & Philip PERSSON Tribute Pocket, CO, USA Mineral photography: James Elliott INTRODUCTION...many exceptional pockets have been discovered. The mine is renowned for the diversity of colors and habits...One of the most remarkable pockets found at the mine was the Afghan Pocket, collected in 2001; it did...from the Tribute Pocket, Agnus Dei claim, Colorado, USA. HISTORY: DISCOVERY AND RE-DISCOVERY Topaz has been...cmโ Continued on page 6 Pederneira Mine (Brazil) The Pederneira Mine is one of the most important sources |  | | Journal (issue) | | Nevada and ArizonaโMatt Phillips will show pictures of the Grand Canyon and Sedona, Arizona taken during...macrocrystalline quartz crystal is a six-faced prism terminated with two three-sided pyramids with alternating...terminated on both ends of the prism, it is said to be doubly terminated. Prism faces are usually striated...striated horizontally. 6 "Drusy" Quartz, Missouri, USA Denise Bicknell Collection THE BACKBENDER'S GAZETTE...large crystals in (Notice the striations on the prism face) singles and plates. The best Mt. Ida area |  | | Book (edition) | | CARNELIAN TOURMALINE OPALS โข AOATI โข โข AMETHYST URINE โข โข BERYL MOONSTONE CITRINE GEM...arrange- ment of these surfaces. Quartz and amethyst, for example, are frequently crystallized in...where they found many of stones, such as quartz amethyst, tourmaline, beryl, topaz and spodumene. crystals...feldspar quarries in pegmatite deposits, mines and mine dumps, and from "float" deposits, minerals loose...precious variety of beryl. Amethyst and agate geode. Purple or lavender amethyst crystals line cavity, |  | | Journal (issue) | | reprints, book sales, shows) P.O. Box 35565 Tucson, Arizona 85740 โข Individuals (U.S.): $33 for one Articles...........................191 by R. P. Richards Amethyst occurrences of the eastern United S ta tes......class postage (USPS-887-700) Paid at Tucson, Arizona, and additional offices. POSTMASTER send address...Schacht (who was bom Horace Greele} Schacht in the USA), President of the German Reichsbank. In du< course...usually tabular due to uneven development of the prism faces. The faden not only give these crystals their |  | | Catalog/List | | Time 8am -9pm) FLUORITE,Rosilare Level.Minerva Mine No 1 ,Cave-in-Rock District.Southem Illonois.Xtl...New South Wales.Australia.Incomplete milky quartz prism of 50mm in length studded with lustrous dark brown...Pure snowy white druse of quartz prisms to 35mm Prism tips good transparency.Very clean specimen for D...SPHALERITE,var.Ruby Blende.Mid-Continent Mine,Pitcher.Oklahoma,USA Rich continuous druse of ruby sphalerite...65mm free of matnx Sits well Pretty D Ml.ยฃ5 15. AMETHYST,Thunder Bay.Northern Ontario,Canada Druse of amethystine |  | | Journal (issue) | | Record Inc., 6349 N. Orange Tree Drive, Tucson, Arizona 85740 The Mineralogical Record Inc. Is a non-profit...Volume Fourteen, Number Five ARIZONA- V Articles Lost mines of Arizona ................................Famous mineral localities: the New Cornelia mine, Ajo, Arizona 283 by W. J. Thomas and R. B. Gibbs Famous...R. A. Bideaux Famous mineral localities: the Ray mine ..................................................Allgood and C. Williams Black dioptase from Tiger, Arizona .............................................. |  | | Journal (issue) | | Famous Mineral Localities: The Erupciรณn/Ahumada Mine, Los Lamentos District, Chihuahua, Mexico ........second class postage [USPS 887-700] paid at Tucson, Arizona and additional Mailing offces. Postmaster, Send...minrec.org Front Cover WULFENITE from the Ahumada mine, Los Lamentos District, Chihuahua, Mexico; 6.6 cm...gathering around a natural amphitheater amid the mine buildings and headframes in order to hear what we...Mexico-II having been devoted to the famous Ojuela mine). Covered here are four more important and prolific |  | | Catalog/List | | online. 53001โโ AMETHYST PORCUPINE Artigas, Artigas Department, Uruguay An Amethyst โporcupineโ of colorless...53002โโ AMETHYST SCEPTERS Piedra Parada (Las Vigas), Veracruz, Mexico Two deep purple, glassy Amethyst prisms...example. Measuring 1ยฝ x 1ยพ x 1ยพ inches, the tallest Amethyst is 1โ
inches long and has hopper faces. This specimen...at HA.com 53003โโ AMETHYST SCEPTER QUARTZ Denny Mountain, King Co., Washington, USA A raspberry Quartz...the termination, otherwise this glassy scepter prism is in fine condition. Perched on a colorless to |  | | Journal (issue) | | Gem Notes Amethyst from Brazil|Beryllonite from Pakistan|Apache Blue Stone from Arizona, USA| Yellow Tianhuang...cut. Courtesy of John Dyer Gems, Edina, Minnesota, USA; photos by Ozzie Campos. p. 482 Yamei Wang photo...SymposiumโSapphire|Presentations in Tucson, Arizona, USA 554 Gem-A Notices 556 Learning Opportunities...Cambridge, Massachusetts, USA; Edward Boehm, RareSource, Chattanooga, Tennessee, USA; Maggie Campbell Pedersen...Emmett, Crystal Chemistry, Brush Prairie, Washington, USA; Emmanuel Fritsch, University of Nantes, France; |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...Turquoise LJ Emerald, Beryl ^"^ Agate ** Jade Amethyst nq -* % Gem Hunter's Guide Gem Hunter...that opals were unlucky long unfashionable, and amethyst lost some of its made them when high status...another. gem minerals The quartz gems, such as amethyst, form crystal prisms with / 1 for example, ...apatite, with their six-faced flat-terminated prism of beryl belong here, as well as the variations |  | | Journal (issue) | | Monica, Monica, California California 90404, 90404, USA USA Fig. Fig. I. 1. This assembled agate specimen...absorption features features were detected using a Beck prism spectroscope direct-transmission/fibre-optic mounted...Sinkankas, San Diego, California California 9lO9, 9109, USA The literature of antiquity frequently mentions...large rubellite crystals were found in the pegmatite mine at Sakangyi. Furthermore, Bauer (Spencer transi...elinges chogeppu, lankaratte, rubin. "Genuine ruby". Amethyst: scuandi (in Malabar. & Singhal.); Swedish like |  | | Journal (issue) | | KRISTALLE Est.1971 Laguna Beach, California, USA โข Tel: +1 949 494 5155 โข Email: info@kristalle.com...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...Mineralogical Record 4631 Paseo Tubutama Tucson, Arizona 85750 minrecord@comcast.net Charles Key is one...recovered by a miner from the 2800 level of the mine. The miner called the acicular mineral โred copper |  | | Book | | the geysers at Yellowstone National Park, Wyoming, USA. Silica-rich minerals are deposited by the hot water...crater like this one, the famous Meteor Crater in Arizona, strike the Earth so hard they vaporize on impact...out of the water first. , .2.t'l UNDERSTAN DING MINE RALS HOVV MINERALS FORM Minerals are the natural...hydrothermal fluids in which large crystals such as amethyst grow. Just what these n1inera ls are depends...(with other forms) Prism and dipyramid Prism, dome and dipyramid Dodecahedron Prism, dipyramid and pinacoid |  | | 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...at the Crystal River quarry, Lecanto in Citrus County Florida. Collection Francis Benjamin; photo Jeff...calcite twin on {1 OTI} from the Leiping mine, Guiyang County, Hunan, China. Collection Frederic Escaut;...on (0001} from St. Clair Lime quarry, Sequoyah County, Oklahoma. Collection Terry Huizing; photo Jeff...CHRISTIAN WEISE VERLAG, GERMANY AND LAPIS INTERNATIONAL, USA To Our Readers: As we established our company, |  | | Journal (issue) | | (2009) โSkunkโ calcite: mineral paragenesis in an amethyst geode From Ametista, Rio Grande do Sul, Brazil... All rights reserved. The Round Mountain Mine, Nye County, Nevada . . . . . . . . . . . ....COVER: GOLD, 2.3 cm, from the Round Mountain mine, Nye County, Nevada. See the article on this occurrence... AZ 85741. Periodical postage paid at Tucson, Arizona and additional mailing offices. Postmaster: send...mineral dealer, was born in Lake Elsinore, Riverside County, California on July 16, 1914, the son of Lois Lee |  | | Journal (article/letter/editorial) | | afalster@mainemineralmuseum.org Muzo-habit Quartz Zigras Mine, Garland County, Arkansas Q uartz, the best known of minerals...Muzo-habit quartz from the Zigras mine at Blue Springs, Garland County, Arkansas, for this issueโs Connoisseurโs...display only three major crystal forms: the hexagonal prism m{100} and the two terminal forms, which are r{101}...from the bonanza zone at the Zigras mine, Blue Springs, Garland County, Arkansas. James Zigras specimen...z faces. The prism face under r is smooth and pinches out. The stepped or striated โprismโ faces under |  | | Journal (issue) | | Bogart .......................... PENNSYLVANIA AMETHYST ............................................................................................. AMETHYST lN GEORGIA. By A. S. F11r~ยทro11 ................ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท GAP NICKEL MINE ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท......................................... CHESTER COUNTY, PENN., RUTlLE ................................... . , MINERALIGHT FINDS VALUABLE ORE BODY IN ARIZONA W. W. Simon, of Superior, Ariz., ( a member of |
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