 | | Journal (article/letter/editorial) | | redbrown albite pseudomorphs after a scapolite group min eral. The material came from a road cut along...herschelite was identified as a more com sedimentary group, khondalites: garnet-sillimanite-graphite gneisses...are remarkably similar and compare well with the Maine A.S.T.M. card data on ferberites. The average chemical...these two species is provocative. State Check List Maine is justly famous for having produced a large number...Several authors have provided previous check lists of Maine minerals-Robinson (1825), Dana (1892), Perkins (1922-24) |  | | Book | | Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73...ALICE GLORY HOLE The Alice glory hole, Clear Creek County, Colorado (by T. A. Hanson & W. B. Craft) 18:185187...--and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE MYERS --and...Allgood, J. Pradenas: Gold occurrences in Tuolumne County, California 18:41-45, 18:62-64 --with W. H. Wilkinson |  | | Book (volume) | | Mineralogy by Vandall T. King and Eugene E. Foord Maine Geological Survey DEPARTMENT OF CONSERVATION Walter...Resources Information, Maine Geological Survey Walter A. Anderson, State Geologist Maine Geological Survey...DEPARTMENT OF CONSERVATION 1994 Copyright ©1994 by the Maine Geological Survey, Department of Conservation. All...photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen), Harvard Mineralogical Museum...Wendell E. Wilson, ©1985. The laws and policies of Maine and the United States prohibit discrimination in |  | | Report (issue) | | necessity brings me outdoors to flail about in the hot bath of monsoon season in Tucson. Much better to be coolly...Baker mine, Kramer borate deposit, Boron, Kern County, California. Middle Earth Minerals specimen and...best examples of this very rare species of the axinite group. Most of Mike’s loose 2 ==================...show here my favorite among the lot, a floater group of parallel “polychrome” crystals of liddicoatite...ferberite, the iron end-member of the wolframite group, is common in Bolivian mines (and many fine examples |  | | Journal (issue) | | O C T O B E R 1975 ON GEM ELBAITE FROM NEWRY, MAINE, U.S.A. By PETE J. DUNN, M.A., F.G.A. Department...tourmaline) was made at the Dunton gem mine, Newry, Maine, U.S.A. The narrative of discovery was related by...McCrillis, of Plumbago Mining Corporation, Rumford, Maine, the author was permitted to examine several h u... TABLE II SPEGTROGRAPHIG ANALYSES ELBAITE, NEWRY, MAINE Ag Al B Ba Be Ga Gr Gu Fe Ga Hg K Li Mg Mn Mo Na...o n . D u n n , P . (1975). Elbaite from Newry, Maine. M i n . Record, 6, 2 2 - 2 5 . M a n n i n g , |  | | 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...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept |  | | Journal (issue) | | 602-297-6709 Articles The Iron Cap mine, Graham County, A rizona.................................81 by...Ouray County, Colorado ............... 89 by B. & J. Muntyan Anatase on quartz from Ouray County, Colorado...made in Arizona (the Iron Cap mine) and in Ouray County, Colorado, are described in three articles, and...specimens (most probably newly dug) sold to this group. TUCSON SHOW CATALOG Our first year of publication...huge i show organized by Herb Duke at the Pima County Fairgrounds. Following the advertising section |  | | Book (volume) | | fabulous tourmalines and kunzites of California and Maine, the sparkling sapphires of Montana, and the...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken... Topaz, Opal. IMPORTANT GEMSTONES The Feldspar Group, Spodumene, Tourmaline, Sodalite and Cancrinite... Rhodonite, Idocrase (Vesuvianite), The Garnet Group. Quartz FAMILY GEMSTONES RarRE AND UnusuaL GEMSTONES |  | | Journal (issue) | | AMRO Bank N.V. - International Diamond & Jewelry Group Antwerp +32 3 222 0256 Mumbai* +91 22 2281 9118...Austria|Cat’s-eye apatite from Namibia|Colourchange axinite-(Mn) from Tanzania|Green fluorite from Pakistan...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 |  | | Journal (issue) | | Ferroaxinite from New Melones Lake, Calaveras County, California, a remarkable new locality...........Coeur d’Alene mining district proper is in Shoshone County, Idaho, and has an essentially east-west trend...green pyromorphite from the Russel tunnel. The group is 3 inches across; J. Crowley specimen and photo...deposits of the Coeur d’Alene District, Shoshone County, Idaho. U.S. Geological Survey Professional Paper...Geology of the Coeur d’Alene District, Shoshone County, Idaho. U.S. Geological Survey Professional Paper |  | | Journal (issue) | | Schacht (who was bom Horace Greele} Schacht in the USA), President of the German Reichsbank. In du< course...overall light smoky shade, and one from Saline County, Arkansas, failed to turn color at all. Crystals...“Hot Springs area” * “Hot Springs area” Lincoln County Veta Grande Claim, Yuma Co. Arkansas Arkansas...of New England at least as far as southwestern Maine. An additional set of important though quite different...limited to those along Charlies Creek in Towns County, Georgia, and those of The Mineralogical Record |  | | 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...Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's finest ilmenite specimens |  | | Book (edition) | | Classifications 84 85 Value of Gemstones 126 Tourmaline Group Fire Opal 168 . | 85 Description of Gemstones...140 Chalcedony 142 142 see 142 oo 120 Garnet Group ie ‘ 176 Zoisite Species Tanzanite 176 Prasiolite...Anyolite 176 : 178 Hematite . 178 Pyrite 180 Feldspar Group Amazonite Moonstone 180 180 Orthoclase 180 Labradorite...196 Phenakite 196 Dumortierite 198 Danburite 198 Axinite 198 Benitoite 200 Cassiterite 200 Epidote 200 Idocrase...Anorthite Anorthoclase Axinite Bustamite Bytownite Ceruleite Chabazite Ferro-Axinite Fowlerite Kurnakovite |  | | Book (edition) | | Classification 84 — - ae : 126 Tourmaline Group 130 Spodumene 166 Opal Species 170 Jade _ Species...192 Malachite Agate 148 Ti 176 180 Feldspar Group Chrysoprase Precious Beryl 112 Anyolite 178...158 Jasper 162 ee Petrified Wood 120 Garnet Group 164 124 Zircon - 194 Lesser-Known Gemstones Andalusite...Phenakite 196 Dumortierite 198 Danburite 198 Axinite 198 Benitoite 200 Cassiterite 200 Epidote 200...Anorthite Anorthoclase Axinite Bustamite Bytownite Ceruleite Chabazite Ferro-Axinite Fowlerite Kurnakovite |  | | Book | | New Fetter Lane, London EC4P 4EE Published in the USA by Chapman and Hall 29 West 35th Street, New York...a mineral belonging to the actinolitetremolite group having the nature of an asbestos. cabochon a gemstone...such as oil (e.g. in some fluorite from Illinois, USA). Among the large number of gases are methane, ethane...in the major gemstones 15 Garnet In the garnet group demantoid shows the diagnostic inclusions of byssolite...frameworks or other structures. In the olivine group and in the garnets the tetrahedra are independent | | | Book | | New Fetter Lane, London EC4P 4EE Published in the USA by Chapman and Hall 29 West 35th Street, New York...a mineral belonging to the actinolitetremolite group having the nature of an asbestos. cabochon a gemstone...such as oil (e.g. in some fluorite from Illinois, USA). Among the large number of gases are methane, ethane...in the major gemstones 15 Garnet In the garnet group demantoid shows the diagnostic inclusions ofbyssolite...frameworks or other structures. In the olivine group and in the garnets the tetrahedra are independent |  | | Journal (volume) | | Earth, Editorial and Design by T he Brown Reference Group pie ISBN O 7489 7935 2 NO i 07 04 18 Printed in...are often replaced by pyrite. FACT FILE PYRITE Group: Sulphides Crystal system: Cubic Habit: Cubes,...quartz rather brittle. FACT FILE ROSE QUARTZ Group: Oxides Crystal system: Trigonal Chemical formula:...CHARACTERISTICS Rose quartz is a member of the oxide group of minerals. It is an oxide of silicon, and it gets...Brazil; Madagascar; South Africa; and Maine and other regions of the USA. Minor deposits of rose quartz can |  | Clark, Roger N., Swayze, Gregg A., Gallagher, Andrea J., King, Trude V.V., Calvin, Wendy M. (1993) The U. S. Geological Survey, Digital Spectral Library: Version 1 (0.2 to 3.0um) Open-File Report Vol. 1993 (93-592) US Geological Survey doi:10.3133/ofr93592 | Report (issue) | | NMNH120049 Augite WS588 Pyroxene Augite WS592 Pyroxene Axinite HS342 Azurite WS316 A34 A37 A40 A43 A46 A49 A52...and you would find all entries in the "scapolite group" (Dipyre, Marialite, Meionite, and Mizzonite). We...Anthophyllite 2 Antigorite 1 Arsenopyrite 4 Augite 1 Axinite 1 Azurite 1 Barite 1 Bassanite 2 Beryl 1 Biotite...Library by Group 16 21 3 2 1 1 2 5 2 9 1 1 2 4 28 Alunite group Amphibole group Apatite group Aragonite...Aragonite group Arsenopyrite group Axinite group Barite group Calcite group Chalcopyrite group Chlorite group |  | | Book | | ........................... 529 G: gadolinite group to gyrolite ......................... 226 X: xanthiosite...onNewMinerals,Nomenclature andClass::ication. Co. County. EMPElectronmicroprobe - an instrument usedto ...further 154 species are unconfirmed. If all the group, series, variety and discredited species names are...with older fluorite specimens from Weardale in County Durham being a case in point. Many of these specimens..."Cumberland", "Alston" or "Alston Moor" (Cumberland as a county no longer exists, as it was merged with Westmorland |  | | Book | | are defined by chemical composition, structural group, and crystal system, with one or two references...Si04) and fayalite (Fe 2 Si0 4 ) (see Olivine Group), group names, such as mica for all the minerals with...pyrite) and also to a group of minerals having the same structure pyrite group). kind of mineralogic...sense that does not refer to a mineral species or group proper, no special designating valid mineral species...2 4 ), a mineral species assigned to the spinel group because of its spinel structure; quartz syenite |  | | Book (edition) | | File, 1601 Park Lane. Swarthmore, Pennsylvania, USA. Introduction This volume is the third edition...belongs to a broader group of related minerals, the name adopted for the group is given beneath the formula...editions of this book. Brieny. within each anionic group the minerals arc arranged in order determined by...those of the alkaline earths, etc. Within each group the minerals are tabulated with increasing anion... Utah. USA. Named for P.H. Abelson. 20.7.3 AbernalhJile. K(U00As0,.4H�O. Meta-autunite group. M.E. Thompson |  | | Journal (issue) | | subscribers should add GST. Discounts are available for group subscriptions, GIA alumni, and current GIA students...Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2017 Gemological Institute of America All rights...Afghanistan • Montana sapphire production • Magnesio-axinite from Tanzania • Sustainable vertical integration...SPRING 2017 11 Figure 8. Crystals such as this group from the Jequitinhonha River were once used as markers...the authors (DPS) the opportunity to examine a group of 2,210 diamonds (about 90% of them gem quality) |  | | Report (issue) | | into an aqueduct tunnel in the Mourne Montains, County Down. Ulster Television filming the panning of...of stream sediment in the Sperrin Mountains, County Tyrone. 41 Plate 7 . .. . . . . . . . IGS geologists...of the Survey and the Editorial and Cartographic Group of OGS. He is succeeded by Dr T. J. Dhonau. KINGSLEY...remainder of the Lower Greensand comprises a variable group of silts, silty clays and clayey sands with a patchy...lowest beds. It is not possible to divide this group into Hythe Beds below and Sandgate Beds above, and |  | | Book | | pegn1atite areas include t11e Pala area of San Diego County, California, the ruristan area of northeast Afghanistan...and add value LO the ro ugh dia n1o nds in the county o f o rig in . The re a re o ther ch a nges at...the annual production ,vere sold ro an exclusive group 30 mil- of 26 invited bidders. The diamond colJection...Leo11e. 23 CR\'" T L STRUCT URE ach geinstone group or variety has a unique chen1ical con1posit1on that...pals and turquoise are porous and the u lu-a-sound bath cou ld da1nage the gen1stones. Pearls 1nay be wiped |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Species containing more than one anion or anion group may be assigned to a separate class or may be assigned...specifies the atomic (cation to anion, or to anion group) ratio for the mineral. This and the remaining numbers...appropriate Dana number. When recognized, membership in a group is noted. Occasionally, the phrase “an inadequately...internally contradictory. 5A. Groups The term group refers to an aggregate or multiple (usually three...identical or closely similar structure and chemistry. A group may be named when there are several end members |
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