 | | Journal (article/letter/editorial) | | uranium deposits in northwestern Nevada and southeastern Oregon, USA Stephen B. Castor ) , Christopher...NV 89557, USA Received 14 June 1999; accepted 24 September 1999 Abstract Northwestern Nevada and southeastern...hosted by peralkaline rocks in the McDermitt and Virgin Valley calderas. At McDermitt, major deposits are along...chalcedony, opal, and numerous sulfides. At Virgin Valley, deposits are mostly in tuffaceous sediments...numerous sulfides. Minor U occurrences at Buff Peak, Nevada, the newly recognized, westernmost topaz Žperaluminous |  | | Catalog/List | | TX 75261-4127 (NW Corner of Airport Freeway & Valley View Lane) FLOOR Session (Floor, Telephone, HERITAGELive...Dallas, TX 75261-4127 NW Corner of Airport Freeway & Valley View Lane Thursday, September 24 – Friday, September...Texas 75261-4127 NW Corner of Airport Freeway & Valley View Lane Phone 214-528-3500 877-HERITAGE (437-4824)...Opalized Petrified Wood limb casts from the noted Virgin Valley locality with superb size and coloration • A...Gemstone: Bi-Color Tourmaline - 6.23 Cts. California, USA Tourmaline from California can make for some of the |  | | Catalog/List | | NW Corner of W. Airport Freeway (Hwy. 183) and Valley View Lane FLOOR Sessions 1-2 (Floor, Telephone...NW Corner of W. Airport Freeway (Hwy. 183) and Valley View Lane Monday, December 6 – Tuesday, December...NW Corner of W. Airport Freeway (Hwy. 183) and Valley View Lane Phone: 214-528-3500 877-HERITAGE (437-4824)...localities including: Alaska Canada Australia Nevada Brazil Romania California Venezuela This catalog...Mining District Yukon-Koyukuk Census Area Alaska, USA The dimensionality and complexity of this stunning |  | | Journal (issue) | | known to produce district of the Northern Rift Valley Province, and corundum in all possible colours...located in the Turkana district of the Northern Rift Valley Province on the west side of Lake Turkana. Rough...The first one belongs to the county of Pindobaçu, the latter to the county of Campo Formoso (Figure 1)...Jr., 1982. Indian Agate Beads. Lapis Route Books, USA, 51 pp. Janaki, V.A., 1980. The Commerce of Cambay...Art of the Lapidary. Bruce Publ. Co., Milwaukee, USA. 382 pp. [Manuscript received 6 March 1989.] 500 |  | | Catalog/List | | Golds from Alaska, Arizona, Australia, California, Nevada and several other places. The Fine Minerals category...Gemstone: Pink Tourmaline - 7.85 Cts. California, USA Pink Tourmaline is one of the most popular and recognizable...mine; Harris mine) Wah Wah Mts, Beaver Co. Utah, USA This exceptionally rare stone is a stunning cushion... 72012 Gemstone: Tourmaline - 11.52 Cts. California, USA One of the most popular varieties of mineral, and...Gemstone: Tanzanite - 44.19 Cts. Merelani Hills, Umba Valley Lelatema Mountains, Arusha Region Tanzania The |  | | Catalog/List | | specimens, including Roebling specimen R101, a Virgin Valley Opal with purity of color and rainbow flash...Chance) Mine, Grand Canyon, Coconino Co., Arizona, USA Fuzzy, blue aggregates looking for purposes like...Little Ajo Mts, Ajo District, Pima Co., Arizona, USA This Malachite pseudomorph after Azurite appears...Kentucky Fluorspar District, Hardin Co., Illinois, USA A good “yellow” is a difficult color for Fluorite...District, Globe-Miami District, Gila Co., Arizona, USA When the cryptocrystalline Copper mineral Chrysocolla |  | | Catalog/List | | offering of a museum quality Elmwood Fluorite, Baryte & Sphalerite specimen accompanied by an original...Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA That the Variscite from Fairfield, Utah forms as... Marquette Iron Range, Marquette Co., Michigan, USA Hematite is one of the main ores of Iron mined for... After 73010 AQUAMARINE Chumar Bakhoor, Hunza Valley, Gilgit District, Gilgit-Baltistan (Northern Areas)...Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA This specimen is about equally divided in focus between |  | | Book (edition) | | Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones Collection...gemandmineralmuseum.arizona.edu) is located in the old Pima County Courthouse building at 115 North Church Avenue...on the market. The mines at Bisbee, in Cochise County, have produced large quantities of gem-quality...mineral stamp issued in 1992. At Morenci, in Greenlee County, gem-quality azurite was also commercially recovered...parallel to the grain. The Blue Ball Mine, in Gila County, has produced thousands of azurite nodules up to |  | | Book | | The spellings of names follow CIM; thus pyrite, baryte and sylvine replace the older pyrites, barytes...states of Guanajuato and Chihuahua, Mexico. In the USA silver occurs at Keweenaw, Michigan, in association...Corocoro, Bolivia, and at Cananea, Mexico. In the USA copper is found in abundance in the Keweenaw area...and from Kalgoorlie in Western Australia. In the USA gold is often obtained by individual prospectors...western states, including California, Colorado, Nevada and Alaska. In Canada deposits occur at the Klondike |  | | Book | | 2) - idiomorphic crystal (9 mm); Thomas Range (USA) Text by Rudolf Dud'a and Lubos Rejl Revision of...B=y= soo sulphur cerussite olivine enstatite baryte chalcopyrite scapolite apophyllite C a = b...in sedimentary deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum...California (USA). Perfect crystals have come from Sicily (Italy), (Poland) and (the USA). Individual...(437) • Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit (USSR); metamorphic | | | Book | | 2) — idiomorphic crystal (9 mm); Thomas Range (USA) Text by Rudolf Duda and Luboé Rej Revision of the...enstatite chalcopyrite scapolite orthoclase baryte a=b#c tetragonal (7) a = B = 4 => 90° rutile...in sedimentary deposits in Texas and Louisiana (USA), Tarnobrzeg region and Machow (Poland), Karakum...California (USA). Perfect crystals have come from Sicily (Italy), (Poland) and (the USA). Individual...(437) e Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit (USSR); metamorphic |  | | Journal (issue) | | MSA VP Steve Kaminski is Director for Arizona/Nevada and MSA President Chris Whitney-Smith is Chairman...mineral knowledge with her. We currently live in Oro Valley, Arizona where we enjoy being close to the center...when I collected opal at Rainbow Ridge Mine in Virgin Valley. I found a stunning piece of black opal with...of 2023, I explored Hartsel and Book Cliffs for baryte in Colorado, and I also visited Joseph Dorris'...Ojuela, Mexico, Best of Colorado for her Book Cliffs Baryte Page 22 Rockhound Record Volume 79 No. 1 ISSN |  | | Book | | volcano with i ndividual flows up to 90 m thick in valley fills. The come n d i tes consist of 5--10% phenocrysts...further south in the U.S. (sec U.S. No. 96, Okanogan County). Economic /\ mine prod ucing gold, s i lver, lead...essentially of calcite, with about 30% quartz, 9.6% baryte, 5.9% apatite, chlorite and allanite; analcime...amphibole, apatite, magnetite, pyroch lore and locally baryte. A strong aeromagnetic anomal y about 5 km in diameter...is ferrugino us and contai ns some q uartz and baryte. It is s Oolorn,10 carbon;-11110 IlIIlID Calc111c |  | Ferenc, Štefan, Števko, Martin, Mikuš, Tomáš, Milovská, Stanislava, Kopáčik, Richard, Hoppanová, Eva (2021) Primary Minerals and Age of The Hydrothermal Quartz Veins Containing U-Mo-(Pb, Bi, Te) Mineralization in the Majerská Valley near Čučma (Gemeric Unit, Spišsko-Gemerské Rudohorie Mts., Slovak Republic) Minerals, 11 (6) 629 doi:10.3390/min11060629 | Journal (article/letter/editorial) | | U-Mo-(Pb, Bi, Te) Mineralization in the Majerská Valley near Čučma (Gemeric Unit, Spišsko-Gemerské Rudohorie...U-Mo-(Pb, Bi, Te) Mineralization in the Majerská Valley near Čučma (Gemeric Unit, Spišsko-Gemerské Rudohorie...U-Mo mineralization is located in the Majerská valley near Čučma, about 7 km to the NNE of the district... 11, 629 2 of 32 In the area of the Majerská valley near Čučma, the following two types of these...U-Mo mineralization is located in the Majerská valley near Čučma. The site is located about 7 km to |  | | Book | | only other relatively common sulphate mineral is baryte, BaS04, which typically occurs in veins deposited...of 21 THE CHEMISTRY OF MINERALS calcite and baryte. Other common halides, halite (NaCl), sylvine (KC1)...tabular : flat (as in some varieties of corundum, baryte or wulfenite); dendritic: treelike (as in some...length. Natrolite forms long thin fibre-like prisms. Baryte, on the other hand, has a tabular (flattened) or...called gangue minerals, and include quartz, calcite, baryte, siderite, dolomite, rhodochrosite and fluorite | | | Book | | only other relatively common sulphate mineral is baryte, BaSO,, which typically occurs in veins deposited...limestone in some places Right: A fine group of baryte crystals, | a fairly common Sulphate. specimen...characteristic associate of 21 calcite and baryte. Other common halides, halite (NaCl), sylvine...tabular : flat (as in some varieties of corundum, baryte or wulfenite); dendritic : treelike (as in some...length. Natrolite forms long thin fibre-like prisms. Baryte, on the other hand, has a tabular (flattened) or |  | | Journal (issue) | | abundance of quartz pseudomorphous after coxcomb baryte. A few small quartz pseudomorphous after a cubic...traced and the latter is in Northumberland and not County Durham. Dunham (1948, p.113) briefly comments on...form thin encrustations on fracture surfaces of baryte, and in places on altered dolerite wallrock. A...free of matrix but in a few specimens it encrusts baryte. 1858. Manual of the mineralogy of Great Britain...collected from the coal-bearing strata of the 'Rhonda Valley, Glamorganshire'. On this specimen were small (between |  | | Book | | anniversaries Brazilianite Amblygonite Apatite Lazulite Baryte Celestine Alabaster Gypsum Sacred stones Scheelite...semi-metals. Some examples of sulphates include baryte, celestine, and alabaster (a variety of the sulphate...The angle between a and b is 120 degrees. In the USA, the trigonal is considered a division of the hexagonal...Priceless 022 INTRODUCTION ZIRCON SPINEL BARYTE TURQUOISE CAT’S EYE TANZANITE QUARTZ AMETHYST...Agate Tourmaline Aventurine Turquoise Quartz USA Spain Jadeite Aquamarine Guatemala Sapphire Spinel |  | | Book | | Tchécoslovaquie, et hors d'Europe, Comstock au Nevada (Etats-Unis) et Guanajuata au nord-ouest de Mexico...plus importante est celle de Getchel à Humboldt County au Nevada (Etats-Unis), où l'on trouve de grands...exemple du lac salé Searles Lake, à San Bernardino County en Californie. Les cristaux agglomérés y atteignent...des pegmatites à proximité de Golden (Jefferson County), au Colorado (Etats-Unis). Les chrysobéryls, surtout...(Roumanie); 9 x 9 cm. 144 dans l'Eden Valley (Sweetwater County) dans le Wyoming (U.S.A.) et surtout dans |  | | Book | | Compacted tightly against the constricting walls of a valley, a large, slow-moving glacier collects jagged boulders...found in a disused mine in Antwerp in New York, USA. The toothshaped crystals of calcite, calcium carbonate...volcanos. The Mount St. Helens in Washington State, USA, blew its top on July 22 1980. One side of the mountain...can bring it to the surface, as here in Alaska, USA, where a coal seam is exposed in a cliff face. In...dramatically. This isolated boulder in northern Arizona, USA, has had its crystalline structure changed, then |  | | Book (edition) | | the United States; other agencies, such as state, county, and wildlife agencies, also control minor lands...Oregon and Washington contain significant dacite. Nevada, California, and Arizona also contain notable deposits...varnished by desert winds. Oregon, California, Nevada, and Wyoming are all known for interesting obsidian...California’s Triassic marine rocks around Death Valley, the Mojave Desert, and Mono Lakes also feature...the East Coast. The Appalachians, Rockies, Sierra Nevada, and many other mountain chains contain abundant |  | | Book (edition) | | Alexandrite Andalusite Anglesite Anhydrite Aragonite Baryte Bastite Bismutotantalite Boracite Bornite Bronzite...Coral Ludlamite 3-4 3-4 3-4 Anglesite 3-3 % Baryte 3-3 % Boleite 3-3 % Cerussite 3-3 % Celestine...Pyrolusite 4.5-5.0 Chromite 4.5-4.8 Davidite 4.5 Baryte 4.43-4.46 Magnesiochromite 4.39-4.67 Bayldonite...Aquamarine Aragonite Augelite Aventurine Axinite Baryte Barytocalcite Benitoite Beryl Beryllonite Bixbite...Phenakite Dioptase Jet Eosphorite Spurrite Jeremejevite Baryte Siderite Danburite Clinohumite Apatite Andalusite |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...byssolite. Mono- coast of North America: Kobuk River Valley, Alaska, clinic, C2/m, a,b,c = 9.89, 18.20, 5.31...e.g. on Grossgreiner Mt., overlooking Zillertal Valley, Tirol, Austria, and at Passo di Vizze, Trentino-Alto |  | | Book (edition) | | Alexandrite Andalusite Anglesite Anhydrite Aragonite Baryte Bastite Bismutotantalite Thomsonite Thulite Topaz...Wollastonite Bayldonite Colemanite Parisite Prosopite Baryte Boleite Cerussite Celestine Descloizite Greenockite...7-9.8 Pyrolusite Chromite 9.6-12.0 Davidite Baryte Algondonite Bismutotantalite 8.38 8.15-8.89 ...Aquamarine Aragonite Augelite Aventurine Axinite Baryte Barytocalcite Benitoite Beryl Beryllonite Bixbite...Phenakite Dioptase Jet Eosphorite Spurrite Jeremejevite Baryte Siderite Danburite Clinohumite Apatite Andalusite |  | | Journal (volume) | | Butte, in St. Thomas Mining District , Clark County, Nevada. Eighteen claims . Large spring. Splendid surface...will open up a paying mine in this property . NEVADA GOLD BUTTE MINES COMPANY ( LIMITED ) P. O. BOX...Prospectors' Outfits Hayes Green Park Hotel ELY , NEVADA HAYES ERELN PARK MORE FIRST CLASS FURMISMLD BOONS...for Catalog and Prioe List Most charming hotel in Nevada . Equal to the most popular mountain resort and...and Ore Birs, Johnnie Mine. portion of Nye county , Nevada, twelve miles east of Amargosa ery- Shoshone |
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