 | | Journal (issue) | | mm uit de Das Antas tunnel, Veranópolis, Rio Grande do Sul, Brazilië. Verzameling en foto © Stefan Koch...2015 Zeolieten uit de Das Antas Tunnel, Rio Grande do Sul, Brazilië Paul Van hee Voor wij vanaf de...Indische zeolieten was de 'Das Antas tunnel' in Rio Grande do Sul, Brazilië een van de interessantste vindplaatsen...markt met als vindplaats 'Das Antas Tunnel', Rio Grande do Sul, Brazilië, soms zonder matrix maar meestal...dat de eerste zending agaat uit de staat Rio Grande do Sul in Idar-Oberstein er reeds aankwam in de herfst |  | Gilg, H. Albert, Morteani, Giulio, Kostitsyn, Yuri, Preinfalk, Christine, Gatter, Istvan, Strieder, Adelir J. (2003) Genesis of amethyst geodes in basaltic rocks of the Serra Geral Formation (Ametista do Sul, Rio Grande do Sul, Brazil): a fluid inclusion, REE, oxygen, carbon, and Sr isotope study on basalt, quartz, and calcite. Mineralium Deposita, 38 (8) 1009-1025 doi:10.1007/s00126-002-0310-7 | Journal (article/letter/editorial) | | of amethyst geodes in basaltic rocks of the Serra Geral Formation (Ametista do Sul, Rio Grande do Sul...Sul, Brazil): a fluid inclusion, REE, oxygen, carbon, and Sr isotope study on basalt, quartz, and calcite... Abstract In the Ametista do Sul area, Rio Grande do Sul, Brazil, amethyst-bearing geodes are hosted...cavity. Fluid inclusions in colorless quartz and amethyst are predominantly monophase and contain an aqueous...University of Rio Grande do Sul, Oswaldo Aranha 99/504, 90035-190 Porto Alegre (RS), Brazil rare. Some |  | | Report (issue) | | of America PHOTO CREDITS Cover: Quartz variety amethyst, 10.5 cm tall Goboboseb Mountains, Erongo Region...collection, Jeff Scovil photo Title (facing) Page Amethyst mouse with gold tail, 130 grams, 6.3 cm wide Carved...Brazilian amethyst Private collection, Robert Weldon photo © 2009 GIA Page 2 Quartz variety amethyst, 3.5...3, Table of Contents Insets Top: Circa 212 CE amethyst intaglio bearing the portrait of Roman Emperor...Marie-Lan Nguyen photo Upper middle: Quartz variety amethyst (Japan-law twin), 1.6 cm tall Andilamena, Toamasina |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais...(Camara Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo...pedras preciosas do Brasil Bibliography 1. Gemology 2. Geology 3. Minerals - Brazil 4. Minerals- Classification... Mineralogy 6. Mineralogy - Brazil - History 7. Precious stones - Brazil I. Bartorelli, Andrea. II. Title |  | | Journal (issue) | | Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By Aurélien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...morganite, 12.73 ct Swiss Blue topaz, 7.99 ct amethyst, 3.29 ct tourmaline, 2.40 ct aquamarine, 1.12...material was initially thought by some dealers to be amethyst. The first parcel that Hashmi learned about (through...Saint-Clair Fonseca Junior (BC Gemas do Brasil, Governador Valadares, Brazil), and heating to 500°C in air was |  | | Book | | CONSTITUIÇÃO E EVOLUÇÃO 7 - COMPARTIMENTAÇÃO GEOLÓGICA DO BRASIL Yociteru Hasui 8 - QUADRO GERAL DA EVOLUÇÃO...BRASIL-ÁFRICA Yociteru Hasui 9 - ESTÁGIOS EVOLUTIVOS DO BRASIL NO FANEROZOICO Celso Dal Ré Carneiro, Fernando...Cratônicas 10 10a - CRÁTON AMAZÔNICO: PROVÍNCIAS RIO BRANCO E TAPAJÓS Yociteru Hasui 10b - SERRA DOS CARAJÁS...SERRA DO URUCUM Andrea Bartorelli 10d - MONTE RORAIMA E PICO DA NEBLINA, PONTOS CULMINANTES DO BRASIL...memorian) 11c - SERRA DO ESPINHAÇO E CHAPADA DIAMANTINA Fernando Flecha Alkmim 11d - BACIA DO SÃO FRANCISCO Pedro |  | | Journal (issue) | | diamond table with trigons • “Burmite” • Cat’s-eye amethyst Brownish red to orange gems from Afghanistan/Pakistan...amber imitation • Assembled diamond imitations from Brazil • Enamel-backed quartz as a star sapphire imitation...our authors and staff invested in every issue to do the research, write and refine the articles, and...treasure chest of information. But how do you access it? How do you find what you need? We are pleased...X-radiographic struc- Figure A-5. Natural pearls typically do not show evidence of a nucleus, only the structures |  | | Report (issue) | | adverb Argentina Arizona Baja California Bolivia Brazil California Central America Chile chemistry Colombia...varies according to country: Argentina Bolivia Brazil Chile Colombia Costa Rica Cuba Curacao Ecuador...the arroba is called arobe. In Spain a tonelada grande is 2,240 libras. In some areas of Spain there were.../ifcra varies from country to country: Argentina Brazil Central America Chile Colombia Costa Rica Cuba...de plata [Me"x] silver ingot of 75 pounds | b. de rio shoal, bar | b. prelitoral longshore bar | b. viuda |
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