 | | Journal (article/letter/editorial) | | pages 644445, 1985 X-ray diffraction data for melanovanadite Petsn B,c,vl,tss Depertment of Geology and...strongestreflectionsfrom the holotype specimenof melanovanadite,CarVl+Y|*Or, . 7HrO, are 8.40A(100),4.2146...could not be found for the mineral species melanovanadite,CarYf,+YE*Orr.nHrO. The holotype specimenof...melanovanaditefrom Minasragra (or Minas Ragra), near Cerro de Pasco, Peru was investigatedby Barnesand Qurashi...to collect powder X-ray diffraction data for melanovanadite from the holotype specimen,to calculate the |  | | Journal (article/letter/editorial) | | Crystal structure and crystal chemistry of melanovanadite, a natural vanadiumbronze Juorrn A. KoNNBnr...Ansrnncr The crystal structure of melanovanadite from Minas Ragra, Peru, has been determined in spacegroup...analogousto melanovanadite. Melanovanadite was discoveredin splendid black crystals at Minas Ragra, Cerro...Cerro de Pasco,Peru, by W. S. Hutchinson in 1920 and was recognized as a new mineral speciesand named by Lindgren...Lindgren et al. (1922), who MELANOVANADITE concluded that melanovanadite is monoclinic, with original |  | | Journal (article/letter/editorial) | | Coble, 1. c., p. 352. MELANOVANADITE, A NEW MINERAL FROM MINA RAGRA, PASCO, PERU By WALDoMAR LINDGREN...specimens of a mieral collected by him at Mina Ragra, Peru. He suspected that it was a new mineral, and...2V204 and I wish to propose for it the name of Melanovanadite, in allusion to it being practically the only...red or brown residue. In potassium hydroxide melanovanadite is easily soluble with brownish color. Editorial |  | | Journal (article/letter/editorial) | | R""':H2O:2:2:3:X. Melanovanadite W. Lrtocnrx, L. l-. HemlroN, AND C. p,q.racrrB: Melanovanadite, a new mineral...mineral from Mina Ragra, Pasco, Peru. proc. Not. Acarl.. Sci., Z, (B) 249-251, l92l; Am. "r. Scr. l.5l3,...the lower part of the patronite deposit at Mina Ragra. Occurs on altered shale containing patronite or...probably be found and thus permit further study. As mine air is usually moist, the original mineral no doubt...I N ERA LOGIST Naur: From the locality, Sincos, Peru. Formula, CaO:VzOr:PzOs:5HzO or Ca(VO)z ISHzO] Crrourclt |  | | Journal (article/letter/editorial) | | Coble, 1. c., p. 352. MELANOVANADITE, A NEW MINERAL FROM MINA RAGRA, PASCO, PERU By WALDoMAR LINDGREN...specimens of a mieral collected by him at Mina Ragra, Peru. He suspected that it was a new mineral, and...2V204 and I wish to propose for it the name of Melanovanadite, in allusion to it being practically the only |  | | Journal (article/letter/editorial) | | group data for metahewettite, metarossite, melanovanadite, descloizite, pyrobelonite, brackebuschite...CaO'5VzOrVzOa'14HrO, (Schaller, 1915), and melanovanadite, 2CaO'3VqOo'2YzOt'nH2O, (Lindgren, Hamilton...group data for metahewettite, metarossite, melanovanadite, descloizite, pyrobelonite, brackebuschite...is based on material from the Cactus Mine, Yellow Cat District, Grand County, Utah (Harvard No. 98019)...present study came from Minasragra, Cerro de pasco, Peru (Harvard No. 96258). The crystals are microscopically |  | | Journal (article/letter/editorial) | | cornerlinked into a sheet arrangement. The mineral melanovanadite(CaVoO,o.lOHrO)has recentlybeenfound to be basedon...Schubnelite Fervanite Shcherbinaite Bannermanite Melanovanadite Avg. V varence CaV.O,u9H.O CaV"O,. 3HrO (Na...term "metahewettite" be transferred to Minasragra,Peru as "hewettite" (after D. Foster Hewett, the trihydrate...torbernite-metatorbernite. from Utah and Colorado (Thompson's district and Par- Fleischer still wrote the formula for...crystallographic erties of the Na mineral from the Cactus Rat mine in Utah and showed that its hydration state is stable |  | | Journal (article/letter/editorial) | | Czech Republic. Primary minerals: montroseite, melanovanadite, new Ca-Fe-V phase, uraninite and clausthalite...to acicular crystals up to 2 mm in length. Melanovanadite was found only rarely as black acicular crystals...isometric crystals up to 0.7 mm in association with melanovanadite and tyuamunite. Uraninite forms abundant microscopic...paper. Key words: montroseite, paramontroseite, melanovanadite, pascoite, rossite, metarossite, sherwoodite...2011). Na podzim roku 2007 zde byla nalezena V-U mine- ralizace, která z této oblasti nebyla doposud |  | | Book (edition) | | Internal Twinning Reflect. Tantalite-(Fe) Melanovanadite yellow to yes orange near cracks distinct ... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co.,...(red internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach);...(greenish grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL B Same sample |  | | Report (volume) | | Peruano de Quimica, 3d, Aetas y trabajos. Lima, Peru. Current Sci. [lndia}-Current Science; science in...historia natural, "Javier Prado" Boletfn. Lima, Peru. Litologiya i Polezn. Iskop.-Litologiya i Poleznye...Industrial, Boletim. Belo Horizonte, Brazil. Mine and Quarry Eng.-Mine and Quarry Engineering. London, England...of the Instituto de ingenieros de minas del Peru. Lima, Peru. Minero Mexicano-El Minero Mexicano. Mexico...Italy. Peru, Cuerpo Ingenieros de Minas Bol. See Peru, Inst. Nac. Inv. y Fomento Mineros Bol. Peru, Inst |  | | Book (edition) | | Vanadiumoxides (with V4+/5+), Group-vanadates Melanovanadite IV/G.10-10 XII 762 Mineral Strunz-Group...(yellowish white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(greenish grey), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(bluish grey shades), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // 8 Gold A ...sample - photo A), dolomite (dark grey); Harstigen Mine, Pajsberg, Filipstad, Värmland, Sweden [j]; Nic |  | | Book (edition) | | SphaJerite. xx 12 mm, Morococha, Peru, H Gypsum, xx 40 mm, Las Salinas, Peru, H Variscite, xx 5 mm, Iturnbiara...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga |  | | Book (edition) | | (12, column 2) and SEMSEYITE, Julcani mine, Huancavelica, Peru (#3, column 2). Color, page 117 Transpose...instructive specimens, especially the rarer sulfo salts of Peru. John van ltallie- lover of nature and scholar of...coating fractures in sandstone at the Fuernrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely...Pelican Dives rnine , Silver Plun1e district, and at the Little Emma mine, Clear Creek County; at the Enterprise...Juab County, and with austinite at the Gold Hill mine, Tooele County, Utal1; in Inyo, San Bernardino, |  | | Book (edition) | | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©...ye ty a ara id (ean ® “1 le hI AAP : oo A Mine seh Ranier “i i : lever vei ekealps ; cet ...coating fractures in sandstone at the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely | | | Book (edition) | | Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...coating fractures in sandstone at the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely...Silver Plume district, and at the Little Emma mine, Clear Creek County; at the Enterprise mine, Dolores County;...lode, Summit County, and in the Cripple Creek district. It is also found in Canada; Mexico; Bolivia; |  | | Book | | 1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian Boyle...Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer...Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil...including amateur col- lectors, company executives, mine owners, and vari- in the appropriate position. |  | | Book | | to gold tellurides (Transylvania; Colorado; Waihi mine in New Zealand; and Japan). As a rule the lower...sulphides and the 'iron hat' of the famous Rio Tinto mine, Spain. The most important gold deposit in the world...either in paragenesis with argentite (Kongsberg mine, Norway) or associated with various silver minerals...+Fe = FeS0 4 +Cu The last reaction often occurs in mine workings, where iron drill bits are soon covered...reduced from copper-bearing solutions mixed with the mine waters. The reduction of cupric sulphate solutions |  | | Book | | metals, as for example those of the Butte, Montana, district which yield copper, zinc, gold 1 silver, and lead...suitable for propeller wheels, marine pumps, mine pumps, mine screens, roofing, and many other products...1940 was about 3,000 metric tons per year, of which Peru and the United States account for approximately...of vanadium in the famous Minasragra Mine near Cerro de Pasco, Peru, where it occurs in a vein with sulphur...differentiation product. For many years the Minasragra mine has been the world's largest producer of vanadium |
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Ragra Mine, Huayllay District, Pasco Province, Pasco, Peru