 | | Journal (article/letter/editorial) | | Auburn University Auburn, Alabama 36849-5305 Powellite Downloaded by [North Carolina State University]...Choice is powellite, the molybdate equivalent of the much more familiar mineral scheelite. Powellite, named...past twenty-one years, however, unusually fine powellite crystals have been found sporadically with abundant...by Kothavala (1982). Mineralogical details of powellite from this location can be found in Hurlbut (1982)...Like scheelite, to which it is closely retated, powellite is variable in color, ranging from colorless through |  | | Journal (issue) | | Articles Famous mineral localities: the Les Farges mine ................................ 261 by A. Brousse...Brousse Pyromorphite from the Couer d’Alene district, Id a h o .......................... 273 by J. A. Crowley...Ferroaxinite from New Melones Lake, Calaveras County, California, a remarkable new locality.................Offermann Arlesheim, Swltz. The discovery of Powellite at Nasik,India ..............................................303 by R. Z. Kothavla Powellite from Nasik, India .................................... |  | | Journal (article/letter/editorial) | | (e.g., W6þ, Mo6þ, As5þ, Nb5þ). Scheelite and powellite (CaMoO4) form a complete solid solution through...f S2 under normal crustal conditions, whereas powellite (CaMoO4), which contains oxidized Mo6þ, requires...composition of the minerals belonging to the scheelite–powellite series will be directly influenced by the physicochemical...(D) Ortiz Mine (Cunningham Hill) (D) Castañeda de Llamuco Mine (D) Silverton (Sunnyside Mine?) (D) Huya...Huya (D) New Zealand New Mexico, USA Chile Colorado, USA China Vein-type Breccia? Breccia? Polymetallic |  | | Journal (article/letter/editorial) | | 68, 1973, pp. 681-696 Originof the Scheelite-Powellite Seriesof Minerals L. C. Hsu AND P. E. GALLt Abstract...commonassociations in pegmatites. The scheelite-powellite seriesis essentiallya binary solid solutionof...containsmore than 0.05 mole percentCaMoO•. Primary powellite is not found in any of the three main occurrences...Vanderwilt, 1946). Although with neighboringparts of California,has been the commonlyoccurringas nearlypure chemicalspecies...for the study of the powellite (CaMoOi) componentto form a of the scheelite-powellite series. It is the |  | | Catalog/List | | matrix .About a large Ix2 area on 2x2 rock. Bambolla Mine, Moctezuma Mexico £20 2. HEMATITE pseudomorph after...dark grey cleavage masses large 2x3 Ratnapure district SriLanka £10 6. NATIVE LEAD good coverage of dark...piece of grey masses in quartz, ½x½ £9 Bambolla mine , Moctezuma, Mexico 8. NATIVE COPPER in calcite...surface. overall about 2x2 Mission Mine, Pima County, Arizona USA £20 10. NATIVE SILVER thin sheet...bluish surface due to Bornite coating. La Noria mine, San Martin, Zacatecas Mexico £15 ' 11. NATIVE GOLD |  | | Journal (issue) | | Hazen The best grossular garnets from the Jeffrey mine, Asbestos, Quebec ........ .......................1972, and considered to be the finest known Jeffrey mine grossular specimen. Marco Amabili collection; James...New York, Pennsylvania (Chester County), Arkansas, Idaho, Iowa, Washington, Colorado (two), New Mexico (the...(the Bingham Canyon mine), Nevada, Arizona (two), Mexico, Brazil, Northern England, Cornwall and Devon...the Hohe Tauem of Austria, Pi'fbram in the Czech Republic, the Carpathian Mountains region, Laurium, Morocco |  | | Catalog/List | | 1077 ■ ALLOPHANE Hawkswood Mine, Cornwall 220 ■ CLINOSAFFLORITE Capitol Mine. Gowganda, Ontario.Canada...CurichAdamile 766 ■ DIOPTASE Christmas Mine, Gila County, Arizona ,USA Green elongated micro crystals , with...lxl£6 CuSi0 .. - - -- -·- 131 ■ DOLOMITE Carrock Mine, Caldbeck Fells, Cumbria FERROAN DOLOMITE, rich...massive lxl £1 lx2 £2 2x2 £5 104 ■ EMMONSITE Bambolla Mine, Moctezuma, Mexico Green crusts on matrix. quite...2x2 £ I O 1097 ■ BARYTES ROSE Nonnan .Oklahoma. USA Single red-brown flower-like , replaced by sandstone |  | | Journal (issue) | | water-clear apophyllite from Jalgaon, pale golden powellite from Nasik, and intensely blue cavansite from... History Mining Background India is a vast and densely populated country with a history of mining going...(the Golconda district in the princely state of Hyderabad, now Andhra Pradesh; a district located between...between the Mahanadi and Godavari valleys; and a district around Panna in the old region of Bundelkand, now...in the early 1800’s at Padyur in the Coimbatore district of Tamilnadu. Exceptionally deep blue aquamarine |  | | Journal (article/letter/editorial) | | Geochemistry, Mineralogy and Microbiology of Molybdenum in Mining-Affected Environments Francesca Frascoli 1 and...ecosystem health, require knowledge of Mo behavior in mining-affected environments. Mo is usually present in...in trace amounts in ore deposits, but mining exploitation can lead to wastes with very high Mo concentrations...and water contamination in surrounding areas. In mine wastes, molybdenum is liberated from sulfide mineral...waters, or taken up in secondary minerals such as powellite and wulfenite at neutral to alkaline pH. To date |  | | Journal (article/letter/editorial) | | JanuaryFebruary: Ferro-axinite on calcite, Dodo mine, Puiva Mountain, KhantyMansi Avt. Okrug, Tyumen’...Pyromorphite on quartz, Manhan River mine, Easthampton, Hampshire County, Massachusetts. Marvin Rausch specimen...South Hecla branch of the Calumet and Hecla mine, Houghton County, Michigan. A. E. Seaman Mineral Museum (Michigan...JulyIAugust: Vanadinite and wulfenite, Old Yuma mine, Pima County, Arizona. Les Presmyk specimen, Jeff Scovil...Point claim, Lake George intrusive center, Teller County, Colorado. Dave Bunk specimen, Jeff Scovil photo |  | | Journal (article/letter/editorial) | | Photographs January-February: Aquamarine, Pioneira mine, Teofilo Otoni, Minas Gerais, Brazil. Keith Proctor...Fluorite and calcite, Minerva No. 1 Mine, Cave in Rock district, Har din County, Illinois. Harvard Mineralogical...July-August: Quartz and chalcopyrite, Bandora mine, San Juan County, Col orado. Barbara and John Muntyan specimen...and photo. September-October: Grossular, Jeffrey mine, Asbestos, Quebec; painting by Susan Robinson. November-December:...November-December: Gold, Jamestown, Tuolumne County, California. California State Mining and Mineral Exhibit specimen; |  | | Journal (article/letter/editorial) | | Spring Creek Area Last Chance Mining District Plumas County, California Gail E. Dunning 773 Durshire Way...Sunnyvale, California 94087 Joseph F. Cooper, Jr. 430 Van Ness Avenue Santa Cruz, California 95060 First...1905 and 1909, the mines of the Last Chance mining district produced significant quantities of copper and..._______________________________ INTRODUCTION California has a long history of being a significant producer...minerals are recorded in the literature from Plumas County. Smith (1970) recorded trace amounts of the element |  | | Journal (article/letter/editorial) | | Alabama 36849-5305 SCHEELITE CAMP BIRD MINE, OURAY COUNTY, COLORADO I n keeping with the theme of...structure. Pure scheelite is an end member of the powellite (CaMo0 ) - scheelite ( C a W 0 ) isomorphous series...specimens have been pro duced. The Boriana mine in Mohave County, Arizona, has fur nished orange euhedral...east section of the famous Camp Bird mine near Ouray, Ouray County, Colorado. A complete description of...of Ronal E. Bentley (1948-1995). Cohen mine in Cochise County. Good specimens containing generally smaller |  | | Journal (article/letter/editorial) | | Anthony “Tony” Kampf as curator at the Los Angeles County Museum of Natural History was announced in this...Santa Ana, California, has not one, but two exhibitions focusing exclusively on gold. California Gold opened...Fender Natural Resources, Richardson, Texas. California Gold features stunningly beautiful specimens... the largest known gold nugget ever found in California, and recovered gold from the SS Central America...lection of Wayne and Dona Leicht of Laguna Beach, California. Sacred Gold delights with some of the world’s |  | | Journal (article/letter/editorial) | | with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...2. Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces...view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded...mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal |  | | Report (volume) | | TUNGSTEN DEPOSITS OF THE BENTON RANGE, MONO COUNTY CALIFORNIA BY DWIGHT M. LEMMON Strategic Minerals Investigations...PRINTING OFFICE WASHINGTON : 1941 For sale by the Superintendent of Documents, Washington, D. C. ....-...581 581 584 584 585 586 586 586 587 Black Rock mine....................................... 587 Structure...Geologic map and section of the Black Rock mine and vicinity, Mono County, Calif........ In pocket 89. Geologic...Geologic map of levels A, B, C, and D, Black Rock mine............................... In pocket Figure 83 |  | | Journal (issue) | | 1987. He was an active member of the Northern California Mineralogical Association and a regular participant...the Pacific Micromount Conference in southern California. His talks were informative and entertaining...impurity in the halides from the Salton Sea in California), chromium (Cr 3+, as in uvarovite, spinel, corundum...samples of so-called “blue amber” from the Dominican Republic are so strongly fluorescent that the UV light...Visible light Ultraviolet Adamite (green) Ojuela Mine, Mapimi, Durango, Mexico Hydrozincite (blue) on |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...many fluorites, especially from the W illiam Wise mine in Westmoreland, New Hampshire. A woodworker since...was caretaker of 362 the famous Kelly mine, M agdalena district (see vol. 20, no. 1, p. 13-24), for over...in the 1970’s. From 1994 until his death he was Mine Marshall at the Kelly under its new owner, Millenium...Oregon. Countless thousands of other fine Kelly mine specimens have also found their way into museums |  | | Journal (issue) | | Collector's Newsletter $6.00 Scheelite and Powellite from the Oriole Mine Near Minerva, White Pine Co., Nevada...1(right): The portal of main haulage adit of the Oriole Mine shows some collapsing timbering but is otherwise...negotiable. Once inside the adit, the condition of the mine is solid and easily passable. Author's image. Calcite...Mineral Corp. specimens. 2 Oriole Mine Scheelite & Powellite (Continued from page I) Bob had set up...scheelite underground at the Oriole Mine was our first foray. The mine itselflies on the western edge of |  | | Book | | themselves in the minerals of a single mine or mineral district, one or several particular mineral species...to explore for fluorescing minerals. The field—mine, mine dump, or quarry—can be richly rewarding in its...produced under ultraviolet light. Deserts were combed, mine dumps searched, and shelves filled with showy fluorescent...New York; and Howard Brown of Lucerne Valley, California. Emanuel Fritch of the Gemological Institute...fluorescent blue of benitoite from San Benito County, California; the lemon yellow of esperite from Franklin |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Nikischerite, a new mineral from the Huanuni tin mine, Dalence Province, Oruro Department, Peru . . ....Baumann prospect, Chickencoop Canyon, Tulare County, California . . . . . . . . . . . . . . . . . . . . ...magazine. For example, do you collect mining stock certificates, mining company scrip and other paper ephemera...and return them to you. Do you collect antique mining photos, the kind that were mounted on cardboard |  | | Report (issue) | | fvpplement to MINERALS OF CALIFORNIA For 1955 Through 1957 California Division of Mines Supplement...MINERALS OF CALIFORNIA For 1955 through 1957 By JOSEPh t^4Ara^ % University of California, Los Ange...WEBB University of California, Santa (Barbara with INDEX TO MINERALS OF CALIFORNIA ARRANGED BY COUNTIES...COLLINS California Division of Mines Supplement to Bulletin 173 California Division of Mines Ferry Building....^rice$1.00 173 SUPPLEMENT TO MINERALS OF CALIFORNIA FOR 1955 THROUGH 1957 By JOSEPH MURDOCH and | | | Book | | themselves in the minerals of a single mine or mineral district, one or several particular mineral species...explore for fluorescing minerals. The field—mine, mine dump, or quarry—can be richly rewarding in ...produced under ultraviolet light. Deserts were combed, mine dumps searched, and shelves filled with showy fluorescent...New York; and Howard Brown of Lucerne Valley, California. Emanuel Fritch of the Gemological Institute...fluorescent blue of benitoite from San Benito County, California; the lemon yellow of esperite from Franklin |  | | Book (edition) | | McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones...used mining districts as part of the locality description. These political and geographic district names...with a more descriptive term, metallic mineral district. This term shows the geochemical and mineralogical...reader to learn more about the geology of the district and to possibly predict the minerals that could...districts. Where possible, the metallic mineral district for each mineral locality is given for the mineral |  | | Journal (issue) | | with a large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives...Native copper crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard A. Kosnar...(1929) is considered to be the classic for the district. Many of these works are currently out of print...and research will serve as an overview of the district and as a framework from which interested persons...location and associated geology of the mines in the district. Historical and production information is summarized |
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