 | | Report (volume) | | Deposits in Minas Gerais Brazil GEOLOGICAL SURVEY BULLETIN 964-C Mica Deposits in Minas Gerais Brazil...M. BARBOSA and RESK FRAYHA, DIVISSO DE FOMENTO, BRAZIL GEOLOGIC INVESTIGATIONS IN THE AMERICAN REPUBLICS...da Produgao Mineral, Ministerio da Agricultura, Brazil, under the auspices of the Interdepartmental Committee...__________-___---_____---_-________ Exports of sheet mica from Brazil, 1900-1945-___-__-_______----______ General statement...___________________ Mica-mining industry in Minas Gerais.______________________________ General stat |  | | Journal (article/letter/editorial) | | Aegirine, Arkansas, 181 Aguilarite, 27 Albite, Minas Gerais, 313 Alforsite, 367 Allanite-(Ce), Colorado...Atalaia (the Sentinel Quarry) near Governador Valadares, Minas Gerais, Brazil, C. P. Barbosa, R. V. Gaines...Atalaia (the Sentinel Quarry) near Governador Valadares, Minas Gerais, Brazil, 310-13 Barite: Colorado, 106;...Calcite: Colorado, 302, 332; Kentucky, 258, 327; Minas Gerais, 313; Pennsylvania, 260-70; Wyoming, 167 California:...Chalcopyrite: Colorado, 106; Kentucky, 258, 327; Minas Gerais, 313 Chestermanite, 367 Chips from the Quarry |  | | Journal (article/letter/editorial) | | transparent, faceted gem stones of rose quartz from Brazil, weighing 73.50 carats and 17.50 carats respectively...Engel donated an excellent faceted green gem apatite from Brazil. A beautiful jadeite statuette, about five...of pink and blue tourmaline from Tiofilo Otoni, Brazil, with the Bruce fund; and a large morganite from...The gift of a large rhodochrosite stalactite from Minas Capillitas, Catamarca, Argentina, was received from...apophyllite and stilbite crystals from Rio Grande do Sul, Brazil, now exhibited at the far end of the Morgan Hall |  | | Catalog/List | | grnnnular masses in matrix lxl £4 lx2 £7 2x2 £15 84 ■■ APATITE lmichil Morocco pale greenish translucent crystal...■■ HAINITE Bortolan Quarry, Pocos de Caldas Minas Gerais, Small fawn fibres in syenite. Larger ones with...across. Linopolis .Divino das laranjeiras, Minas Gerias Brazil £60 2. GLAUCOPHANE attractive very dark blue...nice miniature specimen Ipe Mine, Governador Valadares Mines Gerais Brazil 1.5 xl.5 inches £65 I! 4. CYR...good coverage !avra do Eduardo, Galileia Minas Gerais Brazil £45 5. SKUTTERUDITE excellent coverage |  | | Journal (issue) | | SEPTEMBER–OCTOBER 2019 Articles The Golconda District, Minas Gerais, Brazil ..........................................TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais, Brazil Brice Gobin (Mineral Art) and Emanuele Marini...China, South Africa, Namibia, Chile, Peru, Bolivia, Brazil and Mexico. His first exchange of specimens with...September–October, 2019 The Golconda District Minas Gerais, Brazil Carlos Cornejo1 Andrea Bartorelli2 Wendell...important specimen-producing districts in all of Brazil. INTRODUCTION The Golconda Pegmatite Field is a |  | | Book | | until he managed to reach the land of his dreams, Brazil. A specialist in the field of geology and mineralogy...crystals and the remarkable mineral treasures of Brazil, as well as the incredible adventures and difficulties...UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL Cyan Magenta Yellow Black 1 Delev Ilia Deleff...UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL SOFIA–MOSCOW 2004 3 Cyan Magenta Yellow Black...MINERAL TREASURES OF BRAZIL 76 85 AN OUTLINE OF THE MINERAL RESOURCES OF BRAZIL ORIGIN OF GIANT CRYSTALS |  | | 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 |  | | Journal (issue) | | Hawthorne & W. W. Pinch Fifty-nine treasure hunts in Minas Gerais . . . . . . . . . . . . . . . . . . . . . ....albite matrix, 6.6 cm, from Conselheiro Pena, Minas Gerais, Brazil. Sandor Fuss/ Stuart Wilensky specimen;...Jeff Scovil photo. For more on the minerals of Minas Gerais see Guido Steger’s memoirs in this issue. The...clusters of brilliant black, blocky or platy crystals (Brazil, South Africa); sharp crystals in groups with flashing...rhombohedral magnesite crystals, come from Brumado, Bahia, Brazil. Switzerland’s best-known locality for hematite |  | ARIMA, Hiroshi, KIDA, Yusuke, MIKOUCHI, Takashi, SUGIYAMA, Kazumasa (2018) The location of Mn (MnO: 2.0 wt%) in fluorapatite from Lavra da Golconda, near Governador Valadares, Minas Gerais, Brazil. Journal of Mineralogical and Petrological Sciences, 113 (3) 119-125 doi:10.2465/jmps.170928 | Journal (article/letter/editorial) | | from Lavra da Golconda, near Governador Valadares, Minas Gerais, Brazil Hiroshi ARIMA*, Yusuke KIDA*...fluorapatite (MnO: 2.0 wt%) from Lavra da Golconda, Brazil were investigated by a combined analysis of single...Single crystal X–ray diffraction INTRODUCTION Apatite structure with the two crystallographically distinct... the most common substituents for the natural apatite are Mn2+ and Sr 2+. In particular, the distribution...researchers because of the importance of Mn–doped apatite as a fluorescent activator and coactivator (e.g |  | | Journal (article/letter/editorial) | | Africa 817, Northwest Africa 998, Nakhla, and Governador Valadares Vincent CHEVRIER1*, Jean-Pierre LORAND2...sulfides in Northwest Africa (NWA) 998, Nakhla, Governador Valadares, and NWA 817 with optical microscopy, scanning...enclosed in postcumulus melt inclusions (e.g., Governador Valadares) in olivine. They exhibit a uniform low-Ni...flow(s): droplets in NWA 817; resorbed blebs in Governador Valadares; more massive, true intercumulus blebs in...– – – 0.875 – – 0.2 – [13] [10] [15] Governador Valadares T (C) ⁄ fO2 (Dlog units to FMQ buffer)a |  | | Report (issue) | | 97.93(9)◦ X-ray Powder Pattern: Sapucaia mine, Brazil; nearly identical to bearsite. 7.00 (10), 3.278...76 40.12 Total 100.25 100.00 (1) Sapucaia mine, Brazil; iron impurity as hematite; corresponds to Be2...hydroxylherderite, frondelite, triphylite, apatite, muscovite. Distribution: In Brazil, from the Sapucaia pegmatite...pegmatite mine, about 50 km east-southeast of Governador Valadares; at the Mulundu and Humaita pegmatites, along...and from the Almerindo pegmatite, Linópolis, Minas Gerais. At the Palermo #1 mine, near North Groton, |  | | Report (issue) | | originally determined as Al2 O3 . (2) Sapucaia mine, Brazil. (3) Gunnislake Clitters mine, England; BeO may...Association: Morinite, lacroixite, eosphorite, apatite, tourmaline (Greifensteine, Germany); frondelite...faheyite, beryl, muscovite, quartz (Sapucaia mine, Brazil). Distribution: On the Greifensteine, near Ehrenfriedersdorf... In Brazil, from the Sapucaia pegmatite mine, about 50 km east-southeast of Governador Valadares, and...Énio pegmatite mine, northeast of Galiléia, Minas Gerais. In the USA, at the Davis mine, North Groton |  | | Report (issue) | | (Sapucaia mine, Brazil); in type IIIAB iron meteorites. Association: Graftonite, apatite, jahnsite, phosphosiderite...tourmaline, microcline, albite, quartz (Sapucaia mine, Brazil). Distribution: From near the entrance to Glen...about 50 km east-southeast of Governador Valadares, Minas Gerais, Brazil. At the Kiluli pegmatite, Rwanda...phosphate métamicte dans la pegmatite du Sapucaia (Minas Gerais). Anais da Academia brasileira de Ciências |  | | Report (issue) | | te, tavorite, robertsite, jahnsite, carbonate-apatite, laueite (Tip Top mine, South Dakota, USA). Distribution:...about 50 km east-southeast of Governador Valadares, Minas Gerais, Brazil. Well-crystallized from the Bendada...Riacho, ~90 km north of Belo Horizonte, Minas Gerais, Brazil. Name: To honor Frank C. Tinsley (1916-1996)...in the archaeological site of Santana do Riacho, Brazil. Amer. Mineral., 86, 1053-1056. (3) Marincea, S |  | | Journal (issue) | | Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Governador Valadares District Keith Proctor...T E S OF MINAS G E M S , BRAZIL: THE T O U R W L I N E S OF THE G O V E R N m O R VALADARES DISTRICT...around the city of Araquai, i n northeastern Minas Gerais, and discussed 20 important mines in that area...eMinas rn Gerais, in the broad area surrounding the gemstone capital, Governador Valadares. Specifically...Institute of America 86 Gem Pegmatites of Minas Gerais A lthough hundreds of mines in the broad region |  | | Book (volume) | | Claim, Teller Co., Colorado, 43 Apatite Golconda Mine, Minas Gerais, Brazil, 13 Laghman, Nuristan, Afghanistan...Nigeria, 15 Medina Mine, Minas Gerais, Brazil, 36 Teofilo Otoni, Minas Gerais, Brazil, 27 Azurite (with Malachite)...Corrego do Urucum, Minas Gerais, Brazil, 29 Conselheiro Pena, Minas Gerais, Brazil, 8 Painera Mine, Virgem...Virgem Da Lapa, Brazil, 24 Phosgenite Touissit, Oujda, Morocco, 19 Phosphophyllite Unificada Mine, Cerro...Itatiaia, Conselheiro Pena, Brazil, 41 Pederneira Mine, Minas Gerais, Brazil, 10, 17 Paprok, Nuristan, |  | | Journal (issue) | | mine, Minas Gérais, Brazil. See 'The location, geology and mineralogy of gem tourmalines in Brazil' on...location, geology and mineralogy of gem tourmalines in Brazil Jacques P. Cassedanne, Dr. Sc. *, and Maurice Roditi...tourmaline is the 'Eastern pegmatitic province' of Minas Gerais. One general and three detailed maps of specific...Tourmaline, pegmatite, eluvial deposits, gem mining, Brazil © Gemmological Association and Gem Testing Laboratory...the most remarkable coloured gemstones mined in Brazil where, erroneously, for a long time it was marketed |  | | Catalog/List | | twinned crystal ( Telino Mine, Linopolis, Minas Gerais Brazil) £25 3. GOETI-TITE on QUARTZ small golden...laranjeiras, Minas Gerais Brazil 1.5 x 1.5 inches £48 - i 7. 8. Jocao Mine, Galileia, Minas Gerais Brazil...crystals Ix 1.5 inch Golconda Mine, Governador Valadares, Minas Gerais £48 ARAGONITE lustrous reddish-brown...smaller rhombs round the edges. (Brumado, Bahia, Brazil) £60 (see left) CASSITERITE pure brown masses,...(Linopolis district, Divino das Laranjeiras, Minas Gerais, Brazil) £ 18 29. FLUOCERITE rich orange brown mass |  | | Journal (article/letter/editorial) | | The Pederneira Mine São José da Safira, Minas Gerais, Brazil Dedication This article is the culmination...Pederneira Mine ▲ ▲ São José da Safira, Minas Gerais, Brazil Daniel Trinchillo Fine Minerals International...Tallis). Introduction The Pederneira mine in Brazil qualifies as one of the world’s greatest tourmaline...specimen recently recovered at the Pederneira mine in Brazil. It was handed to me by long-time mineral dealer...parents’ home on his way back from a two-month tour of Brazil. The photo knocked my socks off! The dialog went |  | | Journal (article/letter/editorial) | | DETERMINATeION OF QUARTZ PEGMATITES IN VEINS AND BRAZIL. DJALMA GUIMAR•ES. CRITICAL ASPECTS OF AGE...quartz deposits.in the quartz-producingareas of Brazil. They have found that in the northeasternand m...as well as someof the depositsin the State of Minas Gerais,occurin Algonkian and Silurian (Bambui Series)...paper. 100 AGE DETERMINATION OF QUARTZ VEINS IN BRAZIL. 101 This distribution appears to indicate a...the less deeply buried quartz veins of Central Minas Gerais, Bahia and Southern Goyaz, which occur in upper |  | | Report (issue) | | c = 7.09{7.13 Z=3 X-ray Powder Pattern: Mt. Apatite, Auburn, Androscoggin Co., Maine, USA. (ICDD 26-964)...lepidolite, microcline, garnet, muscovite, beryl, apatite, Distribution: Many localities; some for exceptional...Grande districts, San Diego Co., California. In Brazil, from a large district around Ara»cua¶³-Itinga-Salinas...inas, and the Itatiaia district, Governador Valadares, Minas Gerais; at S~ao Jos¶e da Batalha, Para¶³ba |  | | Journal (issue) | | epidote deposits of the Capelinha Region, Minas Gerais, Brazil ......................................315...epidote on matrix, 4.4 cm, from Capelinha, Minas Gerais, Brazil. Gail and Jim Spann collection; Tom Spann...w. FineMineral.com Tourmaline Cruzeiro Mine, Brazil. 19.5 cm Fine Minerals International proudly invites...EPIDOTE DEPOSITS OF THE CAPELINHA REGION, MINAS GERAIS, BRAZIL Andrea Bartorelli1 Carlos Cornejo2 Mario...mid-1960s, the Capelinha region in the State of Minas Gerais, Brazil, has become world-famous for producing beautiful |  | | Catalog/List | | (6cm x 5cm x 3cm) Golconda Mine, Governador Valadares, Minas Gerais, Brazil. Chalky white cookeite with one... £35 6. APATITE & CALCITE. (6cm x 5cm x 2cm) Slyukyanka, Russia. 30 x 10mm sea green apatite crystal...CLEAVELANDITE with TOURMALINE (8cm x 5cm x 3cm) Minas Gerais, Brazil. Terminated quartz crystal (5cm long) with...TOURMALINE (7cm x 6cm x 4cm) Governador Valadares, Minas Gerais, Brazil. Pale greenish white to translucent...coverage). £40 15. PYRITE (3.5cm x 4.5cm x 5cm) Minas Victoria, Navajun, Spain. Bright undamaged specimen |  | | Journal (issue) | | Collector—Part II Fify-nine treasure hunts in Minas Gerais, 1969–2005 . . . . . . . . . . . . . 207 by...field mineralogist for the Manhattan Project in Brazil in 1941, and served in the Army Signal Corp in...Collector—Part 2: Fifty-Nine Treasure Hunts in Minas Gerais, 1969–2005 Guido Steger Nestroystrasse 15 2700...been visiting mines and mineral occurrences in Brazil for 36 years, and has seen many now-famous discoveries...the gemstone mines and marketing centers of Minas Gerais, I sought first to learn about recent discoveries |  | | Journal (issue) | | and Anthony R. Kampf Gem Pegmatites of Minas Gerais, Brazil: Exploration, Occurrence, and Aquamarine...the northeastern section of the state of Minas Gemis, Brazil. The history of gem exploration and m i n...Te6filo Otoni-Marambaia pegmatite district of Minas Gerais. As is common with most aquamarines, the stones...gem pegmatite regions of the 20th century: Minas Gerais, Brazil. With these articles, we hope to take you...what pegmatite gems have meant historically in Brazil and the production of one very important pegmatite |
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Golconda pegmatite field, Governador Valadares, Minas Gerais, Brazil