 | | Journal (article/letter/editorial) | | [Northeastern University] at 11:57 17 November 2014 Husky Mine, Elsa, Yukon Territory, Canada T he ruby silvers...have been available in recent years from the Husky mine, Yukon Territory, Canada. Consequently, in keeping...this year’s Tucson Gem and Mineral Show, a Husky mine polybasite has been nominated as this issue’s Connoisseur’s...masses to 1 cm are reported from the Johnny Bull mine, Silver Plume. It occurs with a variety of other...Eagle mine at Gilman, Eagle County. The famous silver vein system exploited in the Bulldog mine at Creede |  | | Journal (article/letter/editorial) | | Florida] at 23:45 31 December 2014 Realgar Jiepaiyu Mine, Shimen, Hunan Province, China T here has been...rocks and has been identified as a product of coal-mine fires. Commonly associated minerals include orpiment...stibnite, a variety of sulfides and sulfosalts, calcite, and barite. Realgar rarely occurs in the eastern...Paris, Oxford County, Maine, and the Palermo No. 1 mine, Groton County, New Hampshire. It occurred with...1941) and was an unusual mineral occurring in calcite at the Lower New Street trap-rock quarry at Paterson |  | | Journal (article/letter/editorial) | | [Columbia University] at 23:49 05 October 2014 Daybreak Mine, Spokane County, Washington T he naming of minerals...its outstanding classic occurrence at the Daybreak mine near Elk, Washington. Autunite is characterized...most “autunite” specimens that have been found on mine dumps or have resided in collections for decades...some localities, including that from the Daybreak mine described below, dehydrates in such a way that what...1-cm group of autunite aggregates from the Daybreak mine, Spokane County, Washington; John Lucking specimen |  | | Journal (article/letter/editorial) | | Washington, DC 20013 pohwatp@si.edu Conichalcite Tsumeb Mine, Tsumeb Otjikoto Region, Namibia A n article appeared...Conichalcite on malachite, 10.5 cm across, from the Tsumeb mine, Tsumeb, Otjikoto region, Namibia. Fine spherules...green crusts of fibrous spheres at the Cap Garonne mine, Le Pradet, Var, Provence-Alpes-Côte d’Azur, France...cuprite has come from the Clara mine, Oberwolfach, Baden-Württemberg, Germany. Conichalcite is the only arsenate...have also come from Graul, Schwarzenberg district, Saxony. Bright, transparent, olive-green conichalcite |  | | Journal (article/letter/editorial) | | JanuaryFebruary: Wulfenite and mimetite. San Francisco mine, Sonora. Mexico. Shirley Fiske specimen, Jeff Scovil...Scovil photo. March/April: Gold, Mystery wind mine, California. Pacific Mineral Museum specimen, Mark...photo. MayNune: Silver with calcite, Southwest orebody, White Pine mine, Ontonagon County, Michigan....July/August: Sphalerite with pyrite and calcite, Portland mine, Ouray County, Colorado. Barbara Muntyan...photo. SeptemberlOctober: Calcite with hematite inclusions, Lei Ping mine, Guiyang, Hunan Province, China |  | | Journal (article/letter/editorial) | | acanthite, sternbergite, enargite, bornite, covellite, calcite, dolomite, siderite, barite, fluorite, and quartz...tennantite crystals with quartz from the El Cobre mine, Concepción del Oro, Zacatecas, Mexico. Cal and...exceptional 9-cm tennantite specimen from the Longfellow mine, Red Mountain Pass, Ouray County, Colorado. Dave...tennantite associated with chalcocite, pyrite, calcite, and quartz. (As an aside, the pyrite in the collection...disease has not gotten to them.) From the Yankee Girl mine, Silverton district, San Juan County, tennantite |  | | Book | | ting devices 1 2 3 4 5 6 7 8 9 10 talc gypsum calcite fluorite apatite orthoclase quartz topaz corundum...considered light (amber 1.1); those from 2 to 4 normal (calcite 2. 7); and those above 4 are heavy (lead 7.5)....7. Based on this value, the specimen could be calcite. It is important that the mineral- when weighed...transparent or semi-transpa rent. Double refracti on in calcite fro1n Iceland . 22 All metals are opaque, regardless...amorphous, show some degree of double refraction. Calcite found in Iceland shows double refraction especially | | | Book | | SimEle testing devices 1 2 3 4 5 6 7 talc gypsum calcite fluorite apatite orthoclase quartz topaz corundum...considered light (amber 1.1); those from 2 to 4 normal (calcite 2.7) ; and those above 4 are heavy (lead 7.5)....7. Based on this value, the specimen could be calcite. It is important that the mineral-when weighed...amorphous, show some degree of double refraction. Calcite found in Iceland shows double refraction especially...transparent or semi-transparent. Double refraction in calcite from Iceland. 22 In mineralogy cleavage refers | | | Book | | multiple twinning. Fluorite Orthoclase Ru tile Calcite Pyrite Plagioclase 1 1 '1 14 l ,I Chr soberyl...hardness l 2 3 4 5 6 7 8 9 10 Mineral talc gypsum calcite fluorite apatite orthoclase quartz topaz corundum...considered light (amber 11); chose from 2 to 4 normal (calcite 2. 7); and chose above 4 are heavy (lead 7 5)....2J Based on Lhis value, the specimen could be calcite. Ir 1s important chat the mineral-when weighed...transparent or semi-transparent. Double refraction in calcite from Iceland. 22 All metals are opaque, regardless | | | Book | | testing devices 1 2 3 4 5 6 7 8 9 10 talc gypsum calcite fluorite apatite orthoclase quartz topaz corundum...considered light (amber 1.1); those from 2 to 4 normal (calcite 2.7); and those above graduated cylinder that...7. Based on this value, the specimen could be calcite. either case, the result is the specific gravity... sulfides, some degree of double refraction. Calcite and oxides. Silky lustre is found in fibrous ...way that (theoretically) Double refraction in calcite from Iceland. a flat object could pass through |  | | Book | | Mineral Orthoclase 2 Gypsum 7 Quartz 3 Calcite 8 Topaz 4 Fluorite 9 Corundum 5 Apatite...(420 tons); others localities include Mansfeld (Germany), Bisbee (Arizona), Tsumeb (Namibia) and Surra...native sliver include Kongsberg (Norway), Freiberg (Germany), Jachymov (Czech Republic), the Comstock Lode...Moschellandsberg (Germany) and Juan Cavelica (Peru). Almaden Is the oldest and largest mercury mine In the world...rocks. It Is found In Erzgeblrge and the Harz Mountains (Germany), Glkos (Russia), Sterling Hill (New Jersey | | | Book | | Mineral Orthoclase 2 Gypsum 7 Quartz 3 Calcite 8 Topaz 4 Fluorite 9 Corundum 5 Apatite...(420 tons); others localities include Mansfeld (Germany), Bisbee (Arizona), Tsumeb (Namibia) and Surra...native sliver include Kongsberg (Norway), Freiberg (Germany), Jachymov (Czech Republic), the Comstock Lode...Moschellandsberg (Germany) and Juan Cavelica (Peru). Almaden Is the oldest and largest mercury mine In the world...rocks. It Is found In Erzgeblrge and the Harz Mountains (Germany), Glkos (Russia), Sterling Hill (New Jersey |  | | Book (edition) | | edition of the work, aud to soeh additionB pre- on Mine- make to it as later discoveries might render...crystal thus the &ectiona of the cleavagea of calcite, which, at the ordinary temperature of the atmoaphere...aflbrds an instance of &ces of union, and galena and calcite examples of cleavage include under the head of...directions to be noticed presently. In some crystals, calcite and arac:onite, for example, the duul)lv-refractive...dichroiscopic It eonsissts of a elen\ age rhombohedron of calcite A, prism. having one edge nc^arly an inch long |  | Giebel, R. Johannes, Gauert, Christoph D.K., Marks, Michael A.W., Costin, Gelu, Markl, Gregor (2017) Multi-stage formation of REE minerals in the Palabora Carbonatite Complex, South Africa. American Mineralogist, 102 (6) 1218-1233 doi:10.2138/am-2017-6004 | Journal (article/letter/editorial) | | University, Wilhelmstrasse 56, 72076 Tübingen, Germany Department of Geology, University of the Free State...Geological Survey of Saxony-Anhalt, Köthener Str. 38, 06118 Halle (Saale), Germany 4 Department of Geology...primary magnetite. Bastnäsite is enclosed in primary calcite and dolomite. These three REE minerals are interpreted...processes, REE-bearing minerals (such as apatite, calcite, and dolomite) have to be distinguished from actual...Both the BCB and TCB are dolomite-bearing, but calcite-dominated with varying proportions of fluorapatite |  | | Journal (article/letter/editorial) | | Mason University] at 01:02 21 December 2014 79 Mine, Gila County, Arizona E veryone likes blue minerals...including the Harborside mine at Brooksville, Hancock County, and the Lubec lead mine and prospects at Pembroke...(Mascot mine), Coos County, New Hampshire; as pale blue rosettes of pearly plates in calcite veins cutting...cutting trap rock at Moore, the long-abandoned iron mine at Andover, and as an accessory mineral at Franklin...grouping of aurichalcite sprays on matrix from the 79 mine, Gila County, Arizona. The 6.5-cm specimen is in |  | | Journal (article/letter/editorial) | | cookrob@auburn.edu Magnetite Zinc Corporation of America Mine No. 4, St. Lawrence County, New York T he technological...recent decades have come not from a New York iron mine but from one of its interesting zinc mines. One...fine specimen from the Zinc Corporation of America mine No. 4 at Balmat. Magnetite is one of many black...several stand out. The famous Tilly Foster iron mine near Brewster, Putnam County (see Cook 2008 and...deep in the Zinc Corporation of America’s No. 4 mine at Balmat, St. Lawrence County, is well known for |  | | Journal (article/letter/editorial) | | and include both common and rare species such as calcite, rhodochrosite, spessartine, magnetite, willemite...unusual rhodonite on galena specimen from the North mine, Broken Hill, New South Wales, Australia; field...masses embedded in white, coarsely crystalline calcite, generally near late pegmatite dikes. It was particularly...translucent pink crystals partially exposed from white calcite by acid or other matrix etching techniques. Crystals...Rhodonite also has been reported from the Stinson mine on Jenny Jump Mountain, Warren County, New Jersey |  | | Journal (article/letter/editorial) | | include a wide array of other zeolites, prehnite, calcite, and apophyllite-group minerals. Scolecite is apparently...to 2 cm with calcite, heulandite, and quartz in gold-bearing veins of the Olinghouse mine, Washoe County...County, Nevada (Castor and Ferdock 2004). A suite of zeolites, including scolecite, occurs in altered volcanic...as small radial fibrous aggregates at the Engels mine, Plumas County, and at Crestmore, Riverside County...as sparsely distributed crystals to 4 cm with calcite and datolite at Charcas, San Luis Potosi, Mexico |  | | Journal (issue) | | by P. M. Adams Atacamite from the New Cornwall mine, Kadina, South Australia .........................COVER: ATACAMITE, 10.5 cm, from the New Cornwall mine, Kadina, South Australia. Collection of (and photo...break to collect minerals at the famous Red Cloud mine. Everyone had fun on the trip, and Graham found...after three semesters to pursue an opportunity to mine placer gold near Quartzsite. He also bought and...made many collecting trips back to the Red Cloud mine in the 1980s and early 1990s. In 1996 he managed |  | | Journal (article/letter/editorial) | | many are commonly well crystallized and include calcite, stilbite, heulandite, laumontite, natrolite, pectolite...5 cm across associated with natrolite sprays, calcite, pectolite, apophyllite, and pale green datolite...Massachusetts, where the mineral occurred with calcite and amethyst; several localities in Pennsylvania...and fissure lodes. Associated minerals include calcite, copper, quartz, apophyllite, and adularia. Localities...Rhode Island mine (crystals to 5 cm), and the Centennial mine, Houghton County; the Phoenix mine (pink copper-included |  | | Book | | answer the purpose extremely well, and are sold in Germany at a — — — — very cheap rate. Besides occurring...specific gravity exceeding 2*84. Calc Spar or Calcite, the next mineral to Quartz as regards its abundance...Fontainebleau Sandstone. Natro- calcite, Plumbo-calcite. Strontiano-calcite. Conistonite. l^ag:nesia. Magnesite...Baryta. Tripe Stone. Vulpinite. Witherite. Baryto-calcite. Barytes. Bolognese Stone. Hepatite. AUomorphite...Lazulite. Childrenite. Polyhalite. Datholite. Nitro-calcite. Gay-Lussite. Pharmacolite. Haidingerite. Kuhnite |  | | Book | | Eastern Europe regional names as Bavaria, Bohemia, Saxony, Tyrol, and many others, are generally used without...dependent on the generosity of aristo¬ crats, as in Germany or Russia. Povarennykh would like to see a rational...Scotland, Ireland, Sweden, Norway, Denmark, Finland, Germany, France, Italy, Spain, Portugal, Belgium, Austria...chemist and mineralogist; student of Torbern Bergman; mine owner and mineral analyst; trained J. J. Berzelius...mineral species; made over 3000 measurements of calcite crystal faces; author of several books on mineralogy |  | | Journal (article/letter/editorial) | | Washington, DC 20013 pohwatp@si.edu WILLEMITE Tsumeb Mine, Tsumeb, Otjikoto, Namibia M ineral nomenclature...20 June 2015 Figure 1. Willemite from the Tsumeb mine, Otijikoto region, Namibia. The specimen displays...at 00:58 20 June 2015 Figure 2. Willemite with calcite from Franklin, Sussex County, New Jersey. The normal...we’ll just go through Figure 3. Willemite in calcite with franklinite from Franklin, Sussex County,...or granular anhedral crystals associated with calcite and franklinite. Primary willemite typically occurs |  | | Journal (article/letter/editorial) | | ASSOCIATED ULTRAPOTASSIC ROCKS, CALIFORNIA Stephen B. CASTOR§ Nevada Bureau of Mines and Geology, University...Heinrich 1966, Jones & Wyllie 1983, Mariano 1989, Castor & Nason 2003, Haxel 2005). Bastnäsite, the most...with an average grade of 8.9% rare-earth oxide (Castor & Nason 2004). The ore, which typically contains...contains 10–15% bastnäsite(Ce), is mostly composed of calcite, dolomite and barite, along with generally minor...Hill areas were taken from outcrops, the openpit mine, and drill holes. Samples from other areas are from |  | | Book (edition) | | Trapezohedral Class (22). 7. Other Classes (23) (24) 104 Calcite Type. (21). (20). Tourmaline Type Phenacite...cleavage of galena, or the rhombohedral cleavage of calcite. It is evident, therefore, that a small crystal...octahedron of fluorite and a cleavage rhombohedron of calcite are not properly crystals, because the surfaces...of individuals. in a granular mass of galena or calcite, it may be possible to separate the fragments from...tetrad and hexad axes. 13 12 14 Rutile Calcite Chrysolite 16 Beryl * The cube illustrates |
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