 | | Book | | Gemstonesof Peru . TO ' ..J.O[_)(ON '\J./ITI1 KY Be-51 R~GAF-P5 f JaroslavHyrsl Gemstonesof...Gemstonesof Peru GRflnil © 2012 Text by Jaroslav Hyr~I © 2012 Photos by Jaroslav Hycll (166), Fidel Salinas...LARCO in Lima, No. 100184. 3: Andean opa/ from Acarí, rough 9 cm and beads 2 cm in diameter. Col!. J...Coll. Z. Rosales. Photo J Hyrsl. 6 Introduction Peru is a country rich in minerals, with numerous very...Crowley et al. (1997) and most recently in the book "Peru, Paradise of Minerals" (Hyrsl et al., 2011 ). N |  | Caucia, Franca, Marinoni, Luigi, Leone, Alberto, Ghisoli, Christian (2015) New physical, geochemical and gemological data of opals from Acari Mine (Arequipa Department, Peru) Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 192 (1) 73-84 doi:10.1127/njma/2014/0272 | Journal (article/letter/editorial) | | gemological data of opals from Acari Mine (Arequipa Department, Peru) Franca Caucia, Luigi Marinoni,...compositional properties of some opals from Acari Mine, Peru, have been investigated through several methodologies...available in literature. XRPD analyses highlighted Acari Mine opals are CT types with variable contents of...distinct feature of the dark pink opals from Acari Mine is represented by the presence of β-carotenoid...abundant presence of sepiolite (green opals) and palygorskite (pink opals). SEM investigations highlighted |  | Fritsch, Emmanuel, Gaillou, Eloïse, Ostroumov, Mikhail, Rondeau, Benjamin, Devouard, Bertrand, Barreau, Alain (2004) Relationship between nanostructure and optical absorption in fibrous pink opals from Mexico and Peru. European Journal of Mineralogy, 16 (5) 743-751 doi:10.1127/0935-1221/2004/0016-0743 | Journal (article/letter/editorial) | | absorption in fibrous pink opals from Mexico and Peru EMMANUEL FRITSCH1,*, ELOÏSE GAILLOU1,2, MIKHAIL...Michoacan) and Peru (Acari area, near Arequipa) are opalCT, containing from 10 to 40 % palygorskite, as demonstrated...minimum diameter, related to the fibrous nature of palygorskite crystals, as demonstrated by electron microscopy...monoclinic palygorskite is deduced from that of its mixture with opal. The opal-CT–palygorskite–quinone...opal, optical absorption, nanostructure, Raman, palygorskite, TEM. 1. Introduction The opals studied here |  | | Journal (article/letter/editorial) | | non-crystalline opal samples coming from different localities (Peru, Brazil, Australia, Mexico, Madagascar, Tanzania...opal-CT + palygorskite opal-CT + palygorskite opal -CT + palygorskite opal-CT + palygorskite opal-CT +...+ palygorskite opal-CT + sepiolite opal-CT + sepiolite opal-CT + sepiolite opal-CT + sepiolite opal-CT...opal Peru Peru Peru Peru Varzea Grande, Piauí, Brazil Varzea Grande, Piauí, Brazil Acari, Peru Acari...Acari, Peru Queretaro, Mexico Queretaro, Mexico Queretaro, Mexico Queretaro,Mexico Varzea Grande, Piauí, Brazil |  | | Journal (article/letter/editorial) | | opal CT, opal A, order-disorder, sepiolite, palygorskite I. INTRODUCTION Until the 1930s opals were...共sample 3—green opal bGW from Peru兲, opal C 共sample 4—pink opal bVD from Peru兲, and quartz 共sample 5—white...samples of opal were analysed by XRPD: most come from Peru and others came from Tanzania, Brazil, Australia...samples from Peru came from few centimeters thick veins in a copper ore in the area of Acari near Nazca...Nazca, in the Arequipa Department, 600 km southeast of Lima 共Ghisoli, 2008兲. Samples of crisopal came from |  | | Journal (issue) | | 27 No. 6 April 2001 Hte long sein Gemstoncs of Peru Gem quality clinohumite Colour of diamonds The...Longkin worksite, north of323 Pharkant mining district, northern Myanmar. This jadeite had a full green... Gemstones of Peru Dr Jaroslav Hyršl Kolin, Czech Republic ABSTRACT: Gem and ornamental stones from Peru are described...gemstones, Peru, pink opal Introduction A 323 lthough it has a long history of gemstone use, Peru is a country...rhodochrosite and then rare Figure 1: Blue opal from Acari, cut stones 8.09 and 2.50 ct. gems including more |  | Gaillou, E., Fritsch, E., Aguilar-Reyes, B., Rondeau, B., Post, J., Barreau, A., Ostroumov, M. (2008) Common gem opal: An investigation of micro- to nano-structure. American Mineralogist, 93 (11) 1865-1873 doi:10.2138/am.2008.2518 | Journal (article/letter/editorial) | | Venezuela (5), Kazakhstan (3), Madagascar (3), Peru (3), the U.S.A. (3), Austria (2), Serbia (1), and...(c) Gray opal-AG from Australia (Lightning Ridge mine, New South Wales, no. 235C) showing spheres that...d). (a) Light gray opal from Australia (Mintabie mine, South Australia, no. 846) consisting of spheres...(b) Milky white opal from Australia (Coober Pedy mine, South Australia, no. 834) that is typical for Australian...broken surface of a milky opal from Brazil (Pedro II mine, Piaui, no. 775) in which the spheres are not easily |  | | Journal (issue) | | Cd-bearing phosphate mineral from the Gold Quarry mine, Eureka County, Nevada . . . . . . . . . . . . ...crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...recovered from the dumps of this small mine. Local collectors reworked the mine dumps many times in search of...about 325 meters southwest of the Bishop manganese mine. The locality was early on referred to as a “copper...spatially distinct from the nearby Bishop manganese mine. The dumps do not contain significant manganese |  | | Report (issue) | | J. NEVILLE 30 Brazilian Opal and the Boi Morto Mine BY BOB FARRAR Fossil Treasures from Lightning Ridge...precious opal nodule from the Santa Maria el Iris mine in Queretaro, Mexico. Collection Bill Larson; JeffScovil...a number of countries. The lesser known Herl'any mine (specimen photo page 10) is in the Dubnikfield....this gemstone-themed trading card depicts an opal mine in Hungary and touts chemist Justus von Liebig 's...considered opening Cervenica as a large-scale opal mine. In a 1788 leaflet promoting the idea, von Geispitzheim |  | | Journal (issue) | | Mountains. By Tim Miller 34 THE TALE OF A TOURIST MINE A new life for Colorado’s Last Chance. 34 By Steve...Cover This bournonite specimen from the Herodsfoot mine (Lanreath, Cornwall, England) is a really fine example...Benitoite Mine Update I’d like to clarify some information about the California State Gem mine and about...about present-day access to the mine that was published in Bob Jones’ article Benitoite (June 2017). People...the benitoite mine is a patented mining claim and is private property. Accessing the mine without written |  | | Journal (issue) | | Jeremejevite from Myanmar and Sri Lanka • Pink opal from Peru • Prehnite from Australia and Mali • Unusual sapphire...emeralds were purchased or collected directly from the mine areas. The authors acquired the other samples at...localities. This 1.77 ct emerald from the Coscuez mine in Colombia was photographed together with the pyrite-bearing...from the Campos Verdes-Santa Terezinha mining district, Goias, Brazil. Journal of Gemmology, Vol. 26...Preliminary study of emeralds from the Piteiras emerald mine, Minas Gerais, Brazil. XXVIII International Gemmological |  | | Book (edition) | | natural or synthetic but also to indicate the very mine from which it came! Inclusions are the most powerful...1 -20.2 7.9/2.1 8.4 4. 4. Beryl Aquamarine Mine, Brazil dark blue dark blue antique Brazil medium...Brazil Africa cut cut Colombia Colombia Chivor Mine, 8B 3.7/2.3 5PB 5.3/2.8 8. 2B 7.9/2.7 2. 6PB 6...brown yellow Calcite dark brown-orange — Muzo Mine, Colombia Zambia triangle Brazil 19.09 4.54...Brazil 20 antique Colorado 39 40.2 rhomboid Peru 51 42.1 round round South Africa Argentina |  | | Book | | Keweenaw area of north Michigan; at the Copper Queen mine, Bisbee, Arizona and at Georgetown, New Mexico....areas including Kimberley, Pretoria (the Premier mine is in this area), and Jagersfontein in the Orange...Localities. Lead is found in Sweden at the Harstig mine, Pajsberg; from the gold placers of the Ural Mountains...several localities in Chile, and from the Mohawk mine, Keweenaw County, Michigan; also from Lake Superior...the Calabona mine, Alghero, Sardinia; other localities are Chile, Bolivia, Argentine and Peru. It is also |  | | Journal (issue) | | Edward j Gübelin and John I. Koivula at the Golconda Mine in Minas Gérais, Brazil, during a field excursion...determined for a taaffeite from Pitkäranta mining district, Lake Ladoga, Russia (Schmetzer, 1983b). The iron...highly regarded as a significant nephrite jade province for historical, mineralogical and geological reasons...recently identified at the site of an abandoned talc mine. Geologically, the talc orebody comprises a series...the discarded waste materials at an abandoned talc mine © Gemmological Association and Gem Testing Laboratory |  | | Journal (issue) | | gemological properties of amethyst from the Four Peaks mine, the most important commercial source of amethyst...Koivula For more than a century, the Four Peaks mine in Maricopa County, Arizona, has produced gemquality...amethyst in the United States is the Four Peaks mine in Maricopa County, Arizona (figure 1). Discovered...limited production in the past. In the late 1990s, the mine was reopened with the prospect of providing a regular...Peaks amethyst. LOCATION AND ACCESS The Four Peaks mine is named for the mountain area where it is located |  | | Book | | The auriferous claims 148 The gold mine of Morro Velho 153 The Mine of Passagem 155 The/old rush in P'ianc6...topaz 385 T he imperial topaz of Ouro Preto 393 The Mine of Capao do Lana 397 The imperial topaz of Antonio...of the pyralspite series 411 essartine 414 ~ he Mine of Pedra Bonita 416 Garnets of the ugrandite series...Lavra da Pederneira 526 District of Santa Rosa, Francisc6f olis 534 District o Golconda, Governador Valadares...539 District of Coronel Murra, Rubelita, Salinas, Virgem da Lapa, Ara(uaf and ltinga 554 District o Conselheiro |  | | Book | | derivative of volcanic rocks in the New England district of New South Wales; botanists such as Maiden...(1888/89). The origin of laterite in the New England district, New South Wales. Australas. Assoc. Adv. Sci....expression ofthe laterite profile, e.g. in the York district of Western Australia (Mulcahy 1960). The coarse...profile variation. (e) Melonhole gilgai, Tara district, southern Queensland. This is characteristic of...red clays of brigalow forest lands, Chinchilla district, southern Queensland. Features of Australian |  | | 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) | | 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 (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 | | want to check this, you will have to visit a salt mine; halides are dissolved by groundwater if they are...walking and for work in such places as quarries and mine dumps. The second requirement is for old, expendable...Collectors working on the spoil tip ofa mine. Quarries and mine workings remain a fruitful source for...metal or commodity markets, so it may be economic to mine a deposit one year but not the next. Abundance and...may now be of sufficient economic value for old mine waste tips to be reworked for, it. A good example | | | Book | | In the shafts and tunnels of a sixteenth-century mine INTRODUCTION arabic^groffcvinditaris.f} norrafludd9...want to check this, you will have to visit a salt mine; halides are dissolved by groundwater if they are...walking and for work in such places as quarries and mine dumps. The second requirement is for old, expendable...Collectors working on the spoil tip of a mine. Quarries and mine workings remain a fruitful source for the...metal or commodity markets, so it may be economic to mine a deposit one year but not the next. Abundance and |  | | Book (edition) | | extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance...First Edition For two decades, an earlier work of mine – Practical Gemmology – has proved a useful elementary...intermediate and acid members of the volcanic province in southern Brazil and Uruguay, and the fire opals...particularly in the Yun Yang deposit in Hubei Province, China. For many years on the basis of experimental...similar geological setting also occur at the Menzies mine in Western Australia and these rocks also have been |  | | Report (volume) | | America (General) Canada General works By region, province, etc., A-Z United States General works By region...Canada General works By region or province, A-Z Subarrange each province by Table Q4 986.A1 986.A3-Z Mexico...works Local, A-Z Delaware General works Local, A-Z District of Columbia Florida General works Local, A-Z Georgia...- Continued Quebec (Province) Saskatchewan Yukon Territory and Mackenzie District Other northern territories...Guiana) Suriname (Dutch Guiana) French Guiana Paraguay Peru Uruguay Venezuela South Atlantic islands General |
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