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| ........................ 141 by T. A. Rickard Cubanite from Chibougamau, Quebec .......................The crystal, from the collection of the School of Mines, Paris, is about 1.7 cm tall. Photo by Olaf Medenbach...1983 n o t e s f r o m t h e ; EDITOR GOLD ISSUE SOLD OUT! As I write this (mid-January 1983)...issues these days is 7500 copies, but for the special Gold Issue we upped that to 10,000 copies. Nevertheless...at the Tucson Show). I guess thereās nothing like gold to get peopleās attention. (See Letters column for |
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| edition by a team organized by Prof. Dr. C H R . AM S T U T Z (with additions and corrections by the...completing it more rapidly t h a n I can now; since I am more burdened by work of all kinds t h a n ever before...minerals associated with strongly radioactive ones. I am convinced t h a t in the future much new knowledge...comparative study from colleagues, institutes, and mines; many samples were collected by the writer himself...lead to a new and very voluminous book! I hope and I am convinced t h a t the new form of this book will |
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| at 05:28 13 April 2015 Gold from GEORGIA Figure 1. A rare crystallized gold specimen from the Loud...lthough famous for its historical gold production, Georgia has few gold specimens with acceptable attribution...today. These specimens occur as nuggets or masses of gold ROCKS & MINERALS JULIAN C. GRAY Tellus Science...from placer and saprolite deposits and as visible gold in quartz mined from lode deposits. Crystals are...have produced the occasional excellent gold crystal. Georgia gold deposits are restricted to the crystalline |
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| and the symposium is Gold. In the early years of the Tucson show, the price of gold was The Mineralogical...governmentally established at $35/troy ounce, and while gold no longer officially backed American currency, it...countries. Few gold mines operated in the United States during these years; most earlier mines had failed...forced closure during World War II. The active mines were for the most part underground operations whose...costs had to be balanced against the fixed price of gold, and profits consequently were low. There were universally |
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| the Bement collection was particularly weak in golds, especially those of American origin. Louis Pope...MINERALS, itX'LR 'l!-;\.JEI .Y NIC11 IN CRYSTALLIZED GOLD l-\ND S IIJVER., OF A. DOHRMANN, Eso.J OF SAN FRANClSCO...Dohrmann auction catalogue (1886), showing California gold specimens: (35) Tuolumne County; 3.18 cm (36) Tuolumne... Jtmuar,,~Febn,ar,ā¢, 1992 WFW WEW Figure 3. Gold from the Grit mine, El Dorado County, California:...traded a century later to William Larson. Figure 4. Gold from the Grit mine, El Dorado County, California: |
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| .................. 476 by W. E. W ilson COVER: GOLD w ith q u artz on m atrix, ab o u t 13 cm tall as...ore sellers. M arty Z in n ās E xecutive Inn and R am ada show s will be opening earlier too: Feb. 4 instead...interested in am ygdaloidal m inerals found in road gravel, and in the m any odd rock types found am ong the...collection o f A ustralian and w orldw ide m inerals, am ong the finest private m ineral collections in the...East. T hey visited the tem ples at L uxor and K am ak in E gypt, follow ed by India, Siam , Java and |
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| White Development Officer William D. Panczner GOLD! Associate Editors written content Paul E. Desautels...Julius Weber Mamaroneck, N.Y. Articles Collecting gold mining memorabilia................................323 by W. E. Wilson and R. Bentley Nova Scotian gold ..................................................County, California: a modem source of crystallized gold .................................................... 347 by A. R. Kampf and P. C. Keller Harvard gold ............................................... |
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| the Bement colĀ lection was particularly weak in golds, especially those of American origin. Louis Pope...Dohrmann auction catalogue (1886), showing California gold specĀ imens: (35) Tuolumne County; 3.18 cm (36)...volum e 23, January-F ebruary, 1992 Figure 3. Gold from the Grit mine, El Dorado County, California:...a century later to W illiam Larson. F igure 4. Gold from the Grit mine, El Dorado County, California:...bequeathed to Harvard. Figure 5. The Grit mine gold specimen, 8.26 cm, shown as no. 55 on Plate I of |
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| Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed...various degrees. less common are malleable (e.g gold). ductile (e.g. copper). sectile (e.g. chalcocite)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Another problem concerned genetic conditions in the gold-bearing "greenstone" in Abitibi province in northern...Structural Crystallography and Crystal Chemistry AM - American Mineralogist AMG - Ark.iv Mineralogi och |
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| hammer amount for all lots listed on this bid sheet. I am aware that by utilizing the Budget Bidding feature...Design District Annex 1518 Slocum Street ā¢ Dallas, TX 75207 Heritage Auctions Design District Annex 1518...29 ā Saturday, June 1 ā¢ 10:00 AM ā 5:00 PM CT Sunday, June 2 ā¢ 10:00 AM ā 12:00 PM CT Secondary online...Available immediately following session or weekdays 9:00 AM ā 5:00 PM by appointment only. We are pleased to...department. It will be held in the Dallas Design district at 1518 Slocum Street on June 2, 2013. The auction |
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| (like Harvard, the Carnegie Museum and the cole des Mines) have begun programs to photograph their specimens...Michigan Tech and joined Einer Erikson at Silver King Mines in Ely, Nevada in 1963, where he worked as an exploration...ready to show it off. In 1965 he left Silver King Mines to manage the Research Laboratory for Phelps Dodge...their mines, most of which were flooded or otherwise rendered inactive during the war. These mines are...foot with gold and silver on the day of her wedding. āTrepc=aā from then on denoted the gold and silver |
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| was recovered, as in the alluvial gold workings of the Choco district, it was usually thrown away as worthless...spurious coins struck in crude platinum and coated with gold. About this time, c1Ā·ude platin11m was known as...been found in recent years in the Rustenbu1Ā·g district of 8011th Africa. Next in economic importance...minerals i11clude native palladium ; allopalladium / gold-palladiu1n ; pota1,.ite, a mercuride of palladiumĀ·...metals and with iron. Copper nickel, cobalt and gold may also be present. The hardness of native platinum |
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| 1992 Volume Twenty-three, Number Three Ā® Articles Gold in South Africa ..................................Mi11eralogical Record, ,Ā·olume 23 , Ma.,Ā·-June. 1992 GOLD IN SOUTH AFRICA Bruce Cairncross Department of Geology...Witwatersrand P.O. Wits 2050 Johannesburg South Africa Gold has been mined in South Africa for over a century...from individual mines often exceeds other countries' entire nationq,l output. Notable gold specimens are...preserved. Large gold nuggets and crystal specimens have also been found in other gold producing regions |
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| Mandarino Famous mineral localities: The Annaberg District, Lower A u stria ...............................GERMANY 2 Am Hechtsberg quarry, Hausach NAMIBIA 10Khorixas UNITED STATES 3Stewart mine, Pala district, California...schumacherite Pegmatite 4 White Queen mine, Pala district, California NEW OCCURRENCES Pucher shaft, Schneeberg...al. (1993). Am Hechtsberg mine, Germany Blass and Graf (1995) report namibite from the Am Hechtsberg quarry...has been identified from the Stewart mine, Pala district, with associated chrysocolla and pseudomalachite |
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| to: 7413 N. Mowry Place Tucson, AZ 85741 Articles Gold in South Africa ..................................the summer. Initially he went underground in the mines in Mexico and collected as well as purchased material...itwatersrand P.O. Wits 2050 Johannesburg South Africa Gold has been mined in South Africa fo r over a century...from individual mines often exceeds other countries' entire national output. Notable gold specimens are...preserved. Large gold nuggets and crystal specimens have also been found in other gold producing regions |
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| in g C o u n t y Martin Jensen Mackay School of Mines University of Nevada, Reno Reno, Nevada 89557-0047...species have been donated to the Mackay School of Mines museum. I also maintain a fine and complete collection...comment. Today, with the widespread closure of mines, both abandoned and active, and the passing of many...occurrence of the species from Nevada.; Cubanite CuFe2S3 Cubanite occurs rarely, as small blebs to 20 microns...more than a century old in the Mackay School of Mines Museum collections. It is present on exposed surfaces |
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| index. 1. Mines and mineral resourcesāAsia. 2. Mines and mineral resourcesāAustralia. 3. Mines and mineral...them, mineralogists have come to recognize certain mines, quarries, and mineral deposits as having produced...notable example in this category is the Nuristan District of Afghanistan, which over the past 10 years has...Tochigi Prefecture, Honshu The Ani and Arakawa Mines, Ugo Province, Akita Prefecture, Honshu The Obira...Prefecture, Honshu References 2. China Wanshanchang Mines, Toon Yen (Tungyen) Prefecture, Kweichow Guizhov |
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| / 8 " long on gossan. Most specimens show some d am ag e from $ 4 .5 0 to $ 1 2 .5 0 s# &Ann ā¢ Ja p...of the follow ing m ines of the Franklin-Sylva district, N orth C aroĀ lina: Buoy #1 m ine Ledford C ove...43 K. C. Brannock Rodingite N ear The Thetford Mines, Q u e b e c ............................. 45 address...evident year. The Lincoln C ounty (M aine) Gem & am ong mineral collectors. The failure to Mineral S...areas, the failure to share the news of M aine mines and quarries. It is donating good collecting sites |
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| 264 St. James Collections Colorado School o f Mines Golden, CO 80401 303-273-3823 Mon-Sat 9-4, Sun 1-4...Articles Famous mineral localities: the Kingsgate mines ........................................ 265 by...reserved. FAMOUS MINERAL LOCALITIES: the Kingsgate Mines NEW SOUTH WALES, AUSTRALIA Brian M. England Broken...workings scattered over a relatively small area, the mines were originally worked for bismuth in the late 1800s...known facts concerning the history of the Kingsgate mines, as well as providing an up to date descripĀ tion |
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| maps showing the locations of all the important mines. The geology should be covered briefly but intelligibly...Hidemichi Hori), ā Collecting report: Hikagezawa gold mine, Shizuoka Pref.ā (by Hiroyuki Ii), ā Some episodes...Ag-Au district of Maricopa County in west-central Arizona. The primary property in the district is the...Mineralogically significant properties in the Osborn district include the Pack Rat, Moon Anchor and the Potter...000 kg of copper, 4250 kg of silver and 240 kg of gold. Present mine workings consist of two steep inclines |
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| Olāga V. Bobrova and Evgeny G. Sidorov Mustard Gold of the Gaching Ore Deposit (Maletoyvayam Ore Field...and Ekaterina A. Selivanova Mustard Gold in the Oleninskoe Gold Deposit, KolmozeroāVoronya Greenstone...Characteristics of Supergene Gold of Karst Cavities of the Khokhoy Gold Ore Field (Aldan Shield, East...Composition and Ligand Microstructure of Arsenopyrite from Gold Ore Deposits of the Yenisei Ridge (Eastern Siberia...of Two Type Orebodies from the Nibao Carlin-Type Gold Deposit, Guizhou, China Reprinted from: Minerals |
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| for the field rock saw; DeBeers ConsoliĀ¬ dated Mines, Inc., for the three stages in diamond cutting;...associated sulfide minerals. A product of the Tri-State district, where the corners of Missouri, Kansas, and Oklahoma...is the ruby-zinc vaĀ¬ riety. From the Tri-State district. gray color and metallic luster are characteristic...from one of the world's important tin-producing mines in Bolivia. Quartz intergrowth. This intricate...sulfarsenides or arsenide-sulfides. Assay. The analysis of gold and silver ore to determine its precious-metal content |
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| , for the field rock saw; DeBeers Consolidated Mines, Inc., for the three stages in diamond cutting;...sulfide minerals. A product of the Tri-State district, where the corners Missouri, Kansas, Oklahoma...sphalerite is the ruby-zinc variety. From the Tri-State district. Molybdenite. This specimen displays a foliated...from of the worldās important tin-producing mines in Bolivia. ' Quartz intergrowth. This intricate...sulfarsenides or arsenide-sulfides. Assay. The analysis of gold and silver ore to determine its is fire assaying |
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| 814. Ecklebe, F., 1932. Optische Untersuchungen am Zinnerz im Temperaturbereich von 16Ā°-1100Ā°. NeuesJahrb...Bancroft areas in Ontario, or in the Coimbatore district of Madras. Although originally believed to be...p. 264. Eckermann, H. von, 1948. The alkaline district of Alno Island. Undersok., Ser. Ca., No. 36. Eppler...of geikielite and ilmenite in rocks. U.S. Bur. Mines, Rept. Invest., No. 4408. Uganda Geological Survey...Black tantalian rutile (struverite), Kuala Kangsar district, Perak, Malaya (Crook & Johnstone, 1912). Anal |
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| ..........191 by W. E. Wilson The Port Radium district, Northwest Territories, Canada .................Famous mineral localities: the Ouro Preto topaz mines ..................................................long and hard at the portal or shaft of abandoned mines and wondered if far better material might not be...least a short distance into abanĀ doned mines. Abandoned mines certainly arenāt hard to find. Colorado...000āmost of them underground metal mines. The U.S. Bureau of Mines estimates that there are well over |
