 | | Journal (issue) | | - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December...at www.MineralogicalRecord.com Frontcover Smoky quartz with amazonite, 11.8 cm, from the "Smithsonian..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection; Jeff Scovi...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special supplement...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines |  | | Journal (issue) | | trip to Mitchell's Caverns, Providencia Mts., Devil's Playground, Calico Mts., Calif. DECEMBER, 1952...Troopers' Lost Gold By KENNETH E. HICKOK 9 LOST MINE CONTEST Prizes for camera pictures POETRY On...the wood in these strange] attractions of the Sump Hole was not petrified in a form of interest to rockhounds...inhabitants of surrounding areas have labeled the Sump Hole. Fortunately the stumps on their clay pedestals...must admit that its purpose was as In the Sump Hole of Fish Lake Valley in Southwestern Nevada, petrified |  | | Journal (issue) | | Colorado Desert. Superstition Mountains in background. Photo by Arthur Burdick. NOSTALGIA By RONA MORRIS...stream? Have you camped at night when the full moon rose, and silvered the buttes hard by? Have you felt...different varieties come into bloom. Los Angeles County Library, Lancaster, California. April 2-5—Desert...on the ground lay tiny glowing drops of red and rose and crystal pink! Arizona rubies, some people call...quiet respect to marvel at these stone figures. They rose above us 30 or more feet high. We could easily understand |  | | Journal (issue) | | State Street in downtown Carlsbad, Calif. (Outside USA send $2.00 for cat■ los) GEMS & MINERALS - 7 ...components such as calcite, barite, fluorite, and quartz. The Kongsberg, Norway locality has long been known...between $50,000 and $80,000 and will drill a 60ft hole in 2 hours. The type of prospecting drill used by...CUT By Lyle D. Hardy INSTRUCTIONS Angles are for quartz. Index settings are for a 64 index gear. The stone's...Convention Center 11-12 June-Jefferson, Oh~Ashtabula County Fairgrounds 18-19 June-Topsfield, (Boston) Mass |  | | Book (volume) | | rhoColorado; eolorless scheelite (19.66 cc), Kern Cowny, California;...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...operators, Morefield Mine, Amelia, VA; Max & Suzy Berchtold, Royal Rainbow Mine, Laytonville, CA; Ralph...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache...James D. Lindberg, Las Cruces, NM; Jack Lowell, Colorado Ge1n & Mineral Co., Tempe, AZ; Steven & Lorna |  | | Book | | disti9guish Fig. 1. A druse of quartz crystals 8 Fig. 2. Quartz crystals ; combination of two rhombohedra...crystallize in this system: beryl, apatite, 'high' quartz (beta quartz), nepheline, pyrrhotite, molybdenite, niccolite...e.g. calcite, dolomite, siderite, 'low' quartz (alpha quartz), corundum, tourmaline, haematite, cinnabar...after native copper, of cuprite after azurite, of quartz after barytes, and of pyrite after calcite. If...; 5 -- apatite; 6 - feldspar (orthoclase); 7 - quartz; 8 - topaz; 9 - corundum; 10 - diamond. The scale | | | Book | | distinguish Fig. 1. A druse of quartz crystals 8 Fig. 2. Quartz crystals; combination of two rhombohedra...crystallize in this system: beryl, apatite, 'high' quartz (beta quartz), nepheline, pyrrhotite, molybdenite, niccolite...e.g. calcite, dolomite, siderite, 'low' quartz (alpha quartz), corundum, tourmaline, haematite, cinnabar...after native copper, of cuprite after azurite, of quartz after barytes, and of pyrite after calcite. If...fluorite; 5 - apatite; 6 - feldspar (orthoclase); 7 - quartz; 8 - topaz; 9 - corundum; 10 - diamond. The scale |  | | Journal (issue) | | ce 3 5c per 1-oz. jar J. J. JEWELCRAFT 2732 Colorado Phone ALbany 1488 Los Angeles 41, Calif. Open...BRAZILIAN SHIPMENT RECENTLY ARRIVED. TOURMALINE on QUARTZ. Stop in and inspect a line seleclion of GREEN...:ill scones 0£ :1 gi ven color come from :1 single mine for there is :1 grea t v:1 ri:1cion in color among... che shah of Per ia owns the Taj-e111ah, a pale-rose, pear-shaped scone said co weigh 146 carats. South...may scare you away from ever crying anything but quartz. DON'T LET lT. \Y/e listed chc most common troubles |  | | Book | | Features, 135 Special Interest Features, 141 6. 147 Colorado Desert Geography, 147 Stratigraphy, 151 Structure...Mountains, 191 Mountains of Central Ventura County, 196 Santa Monica Mountains and the Channel Islands...rock complex of the Basin Ranges, Mojave and Colorado Deserts Geomorphic province boundary Geologic...Cenozoic deposits like those in the Mojave and Colorado deserts. Restricted continental basins, including...Plateau, the Basin Ranges, the Mojave Desert, the Colorado Desert, the Peninsular Ranges, the Transverse |  | | Journal (issue) | | exporter of rock crystal. Producer of: fusing quartz - quartz with piezoelectric properties. Precious stone...Arnold Whats New No. 2 by Ron Brown Collecting Colorado and its Minerals (3) by Eric Otty The Botallack...that the whole of the bottom should be diamond or rose cut to intensify the colour by reflection and refraction...It could mine where it liked and could refuse to issue a native miner with a licence to mine in a certain...station later on, cut a tunnel to drain the main Mogok mine and used powerful electric pumps to keep the working |  | | Book (volume) | | Eugene E. Foord U S. Geological Survey, Denver, Colorado 80225 Production editing and design Robert D...Dick's deep concern for the fate of the Sterling mine in Ogdensburg, New Jersey, and his intense interest...interest in mining history led him to purchase the mine in order to form a living museum so that it would...mineralogical community. Through his efforts, the Sterling mine has been declared a national historic landmark....The United States Geological Survey at Denver, Colorado, contains essential information not to be had |  | | Report (issue) | | been found in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in who town...The bibliography has been updated and expanded. County lists published by Collins (1) pp. 40-64, in Murdoch...rhyolite locality in Alameda County and the lawsonite type locality Marin County, which have been completely...color" from Cherokee Flat, Butte County); and to borax ("Lake County, in large crystals in the clay of...the total entry!). No hint acid. Clear Lake, Lake County" foreshadows the subsequent discovery of immense |  | | Report (issue) | | (and the surface form, rhyolite) has essentially quartz and orthoclase feldspar, with usually considerable... Syenite (and trachyte) are much the same, but quartz is usually absent. Diorite (and andesite) carry...with occasional pyroxene or biotite, and sometimes quartz (granodiorite). Gabhro (and basalt) are essentially...sediments (shale), are largely clay and finely divided quartz. The coarse are sand grains (sandstone), or pebbles...tribes in the northeast corner of San Bernardino County in pre-historic times. The old workings here were |  | | Book | | Tourmaline, Rubellite, Essonite, Cordierite, Iolite, Quartz, Chrysolite. The rest are considered as semi-precious...are, besides, a vast number of forms under which mine rals appear in nature ; but the object of the present...such minerals as the Diamond, Sapphire, Topaz, Quartz, Felspar, Apatite, and Fluor spar : or we may use... Talc. 6. Felspar. 2. Gypsum, or Rock Salt. 7. Quartz, or Rock Crystal. 3. Carbonate of Lime. 8. Topaz...classes :— 1. HARD GEMS J OR THOSE HARDER THAN QUARTZ. Diamond, Topaz, Sapphire, Emerald, Ruby, Hyacinth |  | | Book | | are reported by county of occurrence. Map 1-2 shows the county boundaries and county names. When possible...II TRANSVERSE RANGES X PENINSULAR RANGES XI ~ COLORADO DESERT GOLD-BEARING AREA Map 1-1. Map of California...,o Map 1-2. Outline map of California showing county boundaries. __ _) 4 MINERALS OF CALIFORNIA...composition between acidic and basic rocks. drift mine Adit(s) driven into gravel. euhedral Characterized...of the Potholes District of Imperial County, near the Colorado River about 10 miles north of Yuma, Arizona |  | | Report (issue) | | ------Multistate studies ---------------------Colorado ------------------------------Kansas _______ ...Geotechnical and geohydrological studies in Fairfax County, Virginia _________ _ Connecticut Valley Urban...l cooperators ----------~------------- State, county, and local cooperators ---------Other cooperators...mineralization in the Creede mining district of Colorado M.A. Lanphere, P. M. Bethke, P. B. Barton, Jr...mineralization in the Creede mining district of Colorado. Potassium-argon measurements on vein adularia |  | | Book | | ................................ 428 8: babel quartz to bytownite .............................. 66...time the project felt like a never ending black hole. In many different ways you all helped to pull me...onNewMinerals,Nomenclature andClass::ication. Co. County. EMPElectronmicroprobe - an instrument usedto ...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 |  | | Journal (issue) | | of sandstone, shale or limestone, and scattered quartz grains may occur. Occasionally small volcanic bombs...d.aug. = diallagic augite chl. - chlorite qtz. quartz THE GEOLOGY OF THE TOCO DISTRICT, a TRINIDAD...Sericite-phyllite: finely laminated phyllite with quartz segregation lenticles around grains of pyrite....Gritty phyllite: a polymodal rock type with detrital quartz grains scattered in a matrix of dark phyllite....quartzite, showing outgrowths of sericite fringing quartz grains. Rio ,Seco. Grande Riviere Formation. Metamorphic |
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Devil's Hole Mine, Fremont County, Colorado, USA