 | | Journal (article/letter/editorial) | | Institution Washington, DC 20013 pohwatp@si.edu Crocoite Adelaide Mine, Tasmania, Australia T he mineral...in this installment of Connoisseur’s Choice is crocoite, one of the most popular species of collectors...that a reexamination of the species is in order. Crocoite has been a collector favorite since its discovery...consequently, been most eagerly sought after.” Crocoite also has an interesting history that brings together...arsenic poisoning in 1767.) The first specimens of crocoite to reach France were brought there by Louis Charles |  | | Report (issue) | | Crocoite PbCrO4 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point Group:...Philippines. At Goyabeira, near Congonhas do Campo, Minas Gerais, Brazil. In the USA, from Darwin, Inyo...three-dimensional refinement of the structure of crocoite, PbCrO4 . Acta Cryst., 19, 287–289. (3) Williams |  | | Journal (article/letter/editorial) | | Auburn, Alabama 36849-5305 cookrob@auburn.edu Crocoite Downloaded by [University of Windsor] at 20:49...vauquelinite, phoenicochroite, uvarovite, and crocoite. Of these, crocoite is perhaps best known, though not for...on the island of Tasmania, Australia. As such, crocoite is a fitting Connoisseur’s Choice topic coincident...Minerals from Down Under. As previously mentioned, crocoite occurs in a variety of reddish hues ranging from...fracture is conchoidal to uneven, and it is sectile. Crocoite is relatively soft with a Mohs hardness of 2.5 |  | | Catalog/List | | 00. 39. BERYL-AQUAMARINE Teofilo Otoni, Minas Gerais, Brazil. Choice single terminated lustrous transµi...$150. 00. 40. BERYL-GOLDEN Aqua Vermelha, Minas Gerais, Brazil. Superb lustrous highly modified single...crystalline crust ½" cubic 50. CROCOITE Congonhas do Campo, Minas Gerais, Brazil. Select dull orange terminated...11 $350. 00. 63. ROSE QUARTZ Taquaral, Minas Gerais, Brazil. Superb deep pink lustrous l¾x2½" crystallized | | | Catalog/List | | 00. 39. BERYL-AQUAMARINE Teofilo Otoni, Minas Gerais, Brazil. Choice single terminated lustrous transµi...$150. 00. 40. BERYL-GOLDEN Aqua Vermelha, Minas Gerais, Brazil. Superb lustrous highly modified single...crystalline crust ½" cubic 50. CROCOITE Congonhas do Campo, Minas Gerais, Brazil. Select dull orange terminated...11 $350. 00. 63. ROSE QUARTZ Taquaral, Minas Gerais, Brazil. Superb deep pink lustrous l¾x2½" crystallized |  | | Book | | Pyromorphite . . Mimetite 80 82 Vanadinite .... 84 Crocoite 84 Chervetite 86 Wulfenite 88 Copper Native Copper...Chervetite 84 Cinnabar 68 Cooper arsenates . . . .100 Crocoite 84 Corundum/Ruby 32 Cumengeite 94 Crysoberyl 34...Beryl/Aquamarine (Teofilo-Otoni, Minas Gerais, Brazil): 12 cm. 2 - Muscovite (Minas Gerais, Brazil): 30 cm. 20 r.v-^’...emeralds, beryls are minerals from pegmatites. In Brazil, a geode measuring 45 x 25 x 15 yards has been...1 - Beryl/Morganite (Corrego-do-Urucum, Minas Gerais, Brazil): 25 cm. 2 - Beryl/Heliodorus (Siberia, | | | Book | | HydroMagnesitor as areas SUIDRUT ee Native Sulphur 48 .. Crocoite. .. Chervetite........ Wulfenite Copper Native...(Teofilo-Otoni, Minas Gerais, 2 — Muscovite (Minas Gerais, Brazil): 30 cm. 20 Brazil): 12 cm. Beryl...emeralds, beryls are minerals from pegmatites. In Brazil, ageode measuring 45 x 25 x 15 yards has been found...feet. 1 — Beryl/Morganite (Corrego-do-Urucum, Minas 2 — Beryl/Heliodorus (Siberia, USSR): 2 cm. 3— Beryl/Emerald...Beryl/Emerald (Muzo, Colombia): 1 cm. 22. Gerais, Brazil): 25 cm. Topaz Topaz is primarily an orthorhombic |  | Farkaš, Juraj, Chrastný, Vladislav, Novák, Martin, Čadkova, Eva, Pašava, Jan, Chakrabarti, Ramananda, Jacobsen, Stein B., Ackerman, Lukáš, Bullen, Thomas D. (2013) Chromium isotope variations (δ53/52Cr) in mantle-derived sources and their weathering products: Implications for environmental studies and the evolution of δ53/52Cr in the Earth’s mantle over geologic time. Geochimica et Cosmochimica Acta, 123. 74-92 doi:10.1016/j.gca.2013.08.016 | Journal (article/letter/editorial) | | and L. Cretaceous (100 Rep. harzburgite)13 Ma) Brazil Layered intrusion, Faulted shield margin (stratiform...Niqueland. Minas Gerais Country Brazil Brazil Brazil Brazil Brazil Ceara, Pedra Brazil Bran Geotectonic...metamorphic and hydrothermal Cr-rich minerals such as crocoite, fuchsite, chrome chalcedony, chrome diopside...(Russia, Kazakhstan, Armenia) South/Central America (Brazil, Costa Rica, Columbia, Cuba, Dominican Rep.), Indo-Australia...e., the chromite samples from Albania, Bosnia, Brazil, Columbia, Costa-Rica, Cuba, Dominican Republic |  | | Book | | CLIFFORD >& VINCENZO de Janeiro, DE MICHELE, BRAZIL FRONDEL, >*%& Curator, Civic of Natural History...A second specimen, born in the back country of Brazil, started some millions of years ago as a glob of...companies own mines throughout the world, especially in Brazil. A very few dealers, knowing the location and quality...Malagasy Republic, Mozambique, Switzerland, Canada, Brazil, and Chile. Areas such as the Pacific Islands,... Legrandite Perovskite Anhydrite Cassiterite Crocoite Proustite Ludlockite Blue Topaz Sperrylite Amethyst | | | Book | | curvello, Curator, National Museum, Rio de Janeiro, brazil ^ J. DELORME, mineral dealer, Tananarive, Malagasy...A second specimen, born in the back country of Brazil, started some millions of years ago as a glob of...own mines through out the world, especially in Brazil. A very few dealers, knowing the location and quality...Malagasy Republic, Mozambique, Switzerland, Canada, Brazil, and Chile. Areas such as the Pacific Islands,...o "j ' " i ! : . 15 O'^ 7 ••• ! *v e j BRAZIL BOLIVIA M-VV 72 I CHILE; ''o « |30 7 45 i | | | Book | | CURVELLO, Curator, National Museum, Rio de Janeiro, BRAZIL J. DELORME, mineral dealer, Tananarive, MALAGASY...A second specimen, born in the back country of Brazil, started some millions of years ago as a glob of...companies own mines throughout the world, especially in Brazil. A very few dealers, knowing the location and quality...Malagasy Republic, Mozambique, Switzerland, Canada, Brazil, and Chile. Areas such as the Pacific Islands...(Pseudomorph) Peroyskite Uvarovite Anhydrite Euclase Crocoite Azurite Cassiterite Proustite Galena Cinnabar |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection of Alvaro Lucio. Photograph taken...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite |  | | Book | | (garnets), emerald, hiddenite, verdelite; orange—crocoite; red—ruby, spinel; red with green—alexandrite...Angola, elsewhere in Africa, and in Minas Gerais and Bahia, Brazil. 42 and Diamond is separated out...minerals are proustite, pyrargyrite, cinnabar, and crocoite. Orpiment As,S, Monoclinic; H. 1.5—2; Sp.gr...and south Brazil. Around turn of the century, a geode of 10 x 5 x 3 m was found in Mar, Brazil; it yielded...druses were found in 1971 ahy-Jeguitinhonha, Minas Gerais, Brazil. the Sierra do quality. coarsely in Arssu- |  | | Book | | (garnets), emerald, hiddenite, verdelite; orange-crocoite; red-ruby, spinet; red with green-alexandrite...Angola, and elsewhere in Africa, and in Minas Gerais and Bahia, Brazil. 6 42 Diamond is separated out...minerals are proustite, pyrargyrite, cinnabar, and crocoite. Orpiment As2S3 Monoclinic; H. 1.5-2; Sp.gr...FRO; Kozakov, Czechoslovakia; Uruguay; and south Brazil. Around the turn of the century, a geode of 10...10 x 5 x 3 m was found in Sierra do Mar, Brazil; it yielded 70,000 kg of druse crystals of the best quality | | | Book | | (garnets), emerald, hiddenite, verdelite; orange-crocoite; red - ruby, spinel; red with green-alexandrite...Angola, and elsewhere in Africa, and in Minas Gerais and Bahia, Brazil. 6 42 Diamond is separated out...minerals are proustite, pyrargyrite, cinnabar, and crocoite. Orpiment As2 S3 Monoclinic; H. 1.5-2; Sp.gr...FRG; Kozakov, Czechoslovakia; Uruguay; and south Brazil. Around the turn of the century, a geode of 10...10 x 5 x 3 m was found in Sierra do Mar, Brazil; it yielded 70,000 kg of druse crystals of the best quality |  | Guimarães, Frederico Sousa, de Freitas, Monica Elizetti, Rios, Francisco Javier, Pedrosa, Tércio Assunção (2019) Mineralogical characterization and origin of uranium mineralization in Witwatersrand-like metaconglomerate of the Moeda Formation, Quadrilátero Ferrífero, Brazil. Ore Geology Reviews, 106. 423-445 doi:10.1016/j.oregeorev.2019.01.016 | Journal (article/letter/editorial) | | of the Moeda Formation, Quadrilátero Ferrífero, Brazil Frederico Sousa Guimarães, Monica Elizetti de Freitas...of the Moeda Formation, Quadrilátero Ferrífero, Brazil, Ore Geology Reviews (2019), doi: https://doi.org/10...of the Moeda Formation, Quadrilátero Ferrífero, Brazil Frederico Sousa Guimarãesa,b (fredsgguimaraes@gmail...Federal de Minas Gerais-UFMG, Campus Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil. b Corresponding...is the basal unit of the Minas Supergroup in the Quadrilátero Ferrífero, Brazil, and has quartz-pebble |  | | Journal (issue) | | Crystal 25x 17x 17mm. J& 60/13411. Agate (onyx) ?Brazil]. 6x 5 CM.N2 636/3292. Hofmann collection. All...Hungary, the Harz, Italy, Tirol, Saxony, Switzerland, Brazil, North America, Sitka Island, and Manila (Philippines)...Buena; Huallapon 104- Huanzala 105- Cerro de Pasco; Minas Ragra; M orccocha 106- Huancavelica 107- Corocoro...specimen. Photo: N. Pekova. 6. Euclase. Minas Gerais, Brazil. Crystal 8 mm tall. 1.V.& N . Pekov specimen...sveite — Autana Cave. 29. SOUTH AMERICA (WITHOUT BRAZIL) Argentina: beryl; *1968 —be unite — Los Aleros |  | | Book | | Pb s[CII(V0 4)31 Orange-red Chrome Uvarovite Crocoite Ca3Cr2[Si04h PbCr04 Green Yellow-red MnC0 3...large as 5 t. The largest crystals come from Minas Gerais, BraziI. Today Brazii is the most important...important supplier of rock crystal; apart from Minas Gerais, important deposits may be found in the states of...Switzerland, and crystais of over 3 t come from Minas Gerais, BraziI. Amethyst, because of its attractive...in great quantities in the states of Bahia, Minas Gerais, Rio Grande do Sul, aii in Brazii; and near |  | | Book | | cm Page 251: Calcite, Irai, Rio Grande do Sul, Brazil * 12.5 x 10 x 10.5 cm Page 252: Gypsum rosette...environment. solidified. In some basalts of India and Brazil, these cavities are large enough for a person...before it ABOVE: Imperial topaz, Ouro Preto, Minas Gerais, Brazil * 3.3 x 2.7 x 1.8 cm, 159.10 ct RIGHT: Round...Fluorapatite Topaz Topaz, Téofilo Otoni, Minas Gerais, Brazil - 14.5 x 14x 13.5 cm Hardness 6 Hardness...Bahia, Brazil + 5 x 3 x 0.6 cm Platy muscovite, José Pinto Mine, Jaguaragu, Minas Gerais, Brazil + 12 | | | Book | | cm Page 251: Calcite, Irai, Rio Grande do Sul, Brazil * 12.5 x 10 x 10.5 em Page 252: Gypsum rosette...environment. solidified. In some basalts of India and Brazil, these cavities are large enough for a person...before it ABOVE: Imperial topaz, Ouro Preto, Minas Gerais, Brazil ° 3.3 x 2.7 x 1.8 om, 159.10 ct RIGHT: Round...Bahia, Brazil * 5 x 3 x 0.6 cm Platy muscovite, José Pinto Mine, Jaguaracu, Minas Gerais, Brazil * 12...South Wales, Australia * 7 x 6 x 6 cm Epidote, Brazil * 7 x 75 x Reniform In this habit, minerals form |  | | Journal (issue) | | & C. A. Francis P yrop h yllite from Ibitiara, Brazil ................................................./# 3 Knappenwand, Laurium, Tucson Show, Senaite-Brazil, New Zealand, Italy $9 v.1 6 /# 5 $9 N e w M...Universitaria, Ilha do Fundao 21.910 Rio de Janeiro, Brazil S. de O. Menezes Departamento de Geociencias, UFRRJ...UFRRJ Seropedica 23851 Rio de Janeiro, Brazil INTRODUCTION Some outstanding “pseudoleucite” pseudomorphs...(1979) Pseudoleucites from Rio de Janeiro State, Brazil. American Mineralogist, 64, 733-735. ffl The Mineralogical |  | | Book | | - rhodonite; U-yellow - autunite; Cr-orange - crocoite; Fe-yellow - goethite; Co-pink - erythrite. 3...colour of their streak, such as hematite - blood, crocoite - saffron and xanthocone - yellow. The powder...crumbles, so keep in dark • Similar minerals: crocoite (133), cinnabar (76), cup rite (209) • Distinguishing...up to 5 cm (USSR), Routivaare (Sweden), (USA), (Brazil), (France), (Yugoslavia), (Hungary)• Application:...aggregates partly coloured by Fe hydroxides; Gamba (Brazil) 2. Brucite - massive aggregate of indistinct platy |  | | Book | | 21:2-4 ADELAIDE M1NE On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A....crandallite from the Alto Benedeto pegmatite, Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto) 22: 183-185 ALTO...Burian goyazite from [Alto Bernardino, Paraiba,] Brazil (by J. S. White, Jr.) 12:379 ALUMOHYDROCALCITE...and muscovite from the Ze Pinto prospect, Minas Gerais, Brazil 21:405-408 --with J.P. Cassedanne: Crystallized...Pitora, Minas Gerais, Brazil 21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil | | | Book | | — rhodonite; U—yellow — autunite; Cr—orange — crocoite; Fe—yellow — goethite; Co—pink — erythrite. 3...colour of their streak, such as hematite — blood, crocoite — saffron and xanthocone — yellow. The powder...crumbles, so keep in dark e Similar minerals: crocoite (133), cinnabar (76), cuprite (209) e Distinguishing...upto 5 cm (USSR), Routivaare (Sweden), (USA), (Brazil), (France), (Yugoslavia), (Hungary) e Application:...aggregates partly coloured by Fe hydroxides; Gamba (Brazil) 2. Brucite — massive aggregate of indistinct platy |  | | Book | | Pena, Minas Gerais, Brazil 9 Werfen, Salzburg, Austria 9 Virgem da Lapa, Minas Gerais, Brazil 9 Schemnitz...Galena Hattdorf, Hessen, FRG Conselheiro Pena, Brazil Joplin, Missouri, USA Good Silver Hematite, Adularia...Ludlamite Sphene Shikoku, Japan Rio Grande do Norte, Brazil Grube Georg, Horhausen, FRG Achmatovsk, Zlatoust...Zai're 14a/154 Vera Cruz, Mexico 14a/155 Minas Gerais, Brazil 14a/157 Tanzania 14a/157 Alemklovdalen,...Namibia Table-c.3 Siderite, Quartz Nova Lima, Brazil 10 Crocoite Dundas, Tasmania, Australia Good (of local |
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João Pereira mine, Congonhas, Minas Gerais, Brazil