 | | Report (issue) | | Mn2+ Mn3+ 6 SiO12 Braunite c 2001 ° Mineral Data Publishing, version 1.2 Crystal Data: Tetragonal...Madhya Pradesh, India. In Brazil, at Miguel Burnier, near Ouro Pr^eto, Minas Gerais. From mines in the Kalahari... 551{554. (2) Moore, P.B. and T. Araki (1976) Braunite: its structure and relationship to bixbyite, and...Manickavasagam (1981) Chemical and X-ray investigation of braunite from the metamorphosed manganiferous sediments...M. Fukuoka, and S. Roy (1984) Geochemistry of braunite and associated phases in metamorphosed non-calcareous |  | | Report (issue) | | Association: Rhodochrosite, pyrolusite, jacobsite, braunite, andradite, barite. Distribution: Many localities...crystals from the Miguel Burnier iron mine, near Ouro Prêto, Minas Gerais, Brazil. At the Iron Monarch |  | | Journal (article/letter/editorial) | | species are dolomite, calcite, barytocalcite, braunite, hedyphane, and rhodonite. Volume 93, May/June...crystals from the Miguel Burnier iron mine, near Ouro Preto, Minas Gerais, Brazil,” but no further details |  | | Book | | MINES AND MINERALS IN BRAZIL --= ··--· ··- ·-·=- MINES AND MINERALS IN BRAZIL J OSIAS LEAO (ECONOMIC...regarding water power and industry of electr·icity in Brazil were specially prepared at the Division of Waters........ 189 SUMMARY OF THE MINERAL RESERVES OF BRAZIL..... . ... ....... . .. 199 STATISTICAL TABLES...practically untouched, the mineral reserves of Brazil have already been a source of wealth to many and...without the discovery of the precious metals in Brazil the existence of the modern economic man would |  | | Report (volume) | | .......................................... 183 Brazil.......................................................................................... 183 Minas Geraes districts............................................... Miguel Burnier district..................................... Ouro Preto district.........Pretas mine, Brazil... 32. Typical section of the manganese-bearing series, Miguel Burnier.. 33. Section...manganese ore consumed in this country is imported from Brazil, India, and Cuba, smaller amounts being obtained |  | | Report (issue) | | Colombia and Panama ; Costa Rica; Cuba; Hayti; Brazil; Chile . 85 REFERENCES TO LITERATURE ON �fANGANESE...(Caucasus), Southern and Central India, and East-Central Brazil, which have hitherto furnished practically the...the war was Russia, followed closely by India, Brazil coming third. Owing to the closing of the Dardanelles...and 1915, when the imports of manganese-ore from Brazil, although con siderably increased, were not sufficient...States. In 1916, however, the export of ore from Brazil was increased nearly two-fold over that of 1914 |  | | Book | | Canada. Photography: Brian Boyle, MPA, FPPO, and Miguel Hortiguela, LPPO Illustrations: Crowle Art Group...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:...Bahia, Brazil * 5 x 3 x 0.6 cm Platy muscovite, José Pinto Mine, Jaguaracu, Minas Gerais, Brazil * 12 |  | | Report (issue) | | Porto Rico ••• United States ••• Argentina ••• Brazil ••• ••• Chile •• • • •• Ecuador ••• •• • Uruguay...containing ,~Then pure 63·2 per qent. of manganese; (2) braunite (3 i1n2O3 + MnSiOa), containing . .64·3 pe•r cent...Manganite contains only 49·44 per cent. Mn02 ; braunite, only 43· 11 per cent. ; hausmannite, only 37·99...British India (sot1thern and ,,central), Brazil (States of Minas Geraes and Bahia), and West Africa (Gold...bec·a me, important 1~e1atively t•o that of Russia. Brazil followed in order of importance, manganese ore |  | | Journal (volume) | | COSTA -SENA (J. da), ingénieur des mines, Ouro-Preto, Minas Geraës (Brésil). CUMENGE, ingénieur des mines...(Henri), ancien directeur de l'École des Mines de Ouro Preto, à Mont-sur-Vienne, par Bujaleuf (Haute-Vienne)...professeur au lycée de Ponta Delgada, ile de San -Miguel (Açores) . PISANI, chimiste, 8 , rue de Furstenberg...d 'oxydes de manganèse étrangers, pyrolusite , braunite, etc . On n 'y a pas trouvé de quantités notables...difficile de se procurer des spécimens purs de braunite cristallisée. Les deux échan tillons que j'ai |  | | Book (edition) | | Salinas, Peru, H Variscite, xx 5 mm, Iturnbiara, Brazil, H Rhodocbrosite, polished, 50 mm, Capillitas,... China, H Page 1: MuscO\ite. 45 mm, Linopolis, Brazil, H Page 2: Vivianite, I 00 mm, Huanzala, Bolivia...Ethiopia, G Page 12: Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California...1993. Abswurmbachite Cu2+M~Hro~l(SiO4J] (9.A, braunite group). Tetragonal, /4/acd, a,c 9.41, 18.55, Z...mine. Edwards. St. blue masses at Brumado Bahia, Brazil. At SchneeLawrenceco.. NewYork.andon LakeHarbour |  | | Journal (article/letter/editorial) | | Pt metals in the Bushveld Complex; Nb in Araxa, Brazil; rare earths in Bayan Obo, China), and is approximately...657 2937 l 12,742 584,336 5.45 0.03 1.31 6.79 Brazil Chile others South America 206,725 8690 58,705...exhalative Lahn-Dill ores have 0.12% Mn and the Minas Gerais itabirites have 0.18% Mn. The West Siberian...rhodochrosite veins or sedimentary-diagenetic braunite beds. These are uniform products of a single-stage...1988 ) and also the important deposits (Urucum, Brazil; Haralyi and Walde, 1986 ) and occurrences (e.g |  | | Book (edition) | | Occurs in manganese ore deposits associated with braunite, hausmannite, and other minerals. Found in Sweden...(cleavelandite). Also in Canada (peristerite), Brazil (cleavelandite), England, Nor- SELECTED REFERENCE:...near Richmond, Massachusetts; and at localities in Brazil, Sardinia, Germany, and Japan. Crystalline allophane...Other notable occurrences are found in Canada, Brazil, Uruguay, Greenland, Norway, Sweden, Austria, Sri...p. 468-469, New York, Wiley, 1951. AMBLYGONITE Brazil [wwB] Ga= AMAZONITE = Green variety of microcline | | | Book (edition) | | Tsurneb, Namibia, (lower, right) gold, Amazonas, Brazil All specimens from the collection of Eugene and...Occurs in manganese ore deposits associated with braunite, hausmannite, and other minerals. Found in Sweden...near Richmond, Massachusetts; and at localities in Brazil, Sardinia, Germany, and Japan. Crystalline allophane...Other notable occurrences are found in Canada. Brazil, Uruguay, Greenland, Nor,,·ay, S,veden, Austria...AMBLYGONITE (4.2 cm xl) near linopolis, Minos Gerois, Brazil [WWJBj a = 5.18, b = 7.03, c = 5.03 a = 109°29' |  | | Journal (volume) | | Brakpan Mines Report .... 240 63 Brakpan Reserves Brazil. Manganese Ores of E. C. Harder {m.d.) .... *345...Deposits of Brazil 307 304 Manganese in West Africa Manganese Ore in Wales 149 Manganese Ores of Brazil E. C...unit for 50% Indian ores and 4s. per unit of 50% Brazil ores may be taken as a probable quotation. Iron...particularly unfamiliar to laymen, and its sig- Brazil, We have ; cause a fall in the yield of placer...Brentor in western Devon. sources of the Caucasus, Brazil, and India have quite eclipsed the British deposits |  | | Report (volume) | | shown in Plate.IV, A. Described on page 96. Br, Braunite; R, romeite; A+P, albite and piedmontite. FIGURE...is by no means as good as that of romeite from Brazil (the so-called atopite). The density was given...Atopit aus den Manganerz-gruben von Mignel Burnier, Minas Geraes, Brazilien: Centralbl. Mineralogie,...where minute veins of romeite lie between the braunite and the aggregate of albite and piedmontite. The...also found as nests and veins in the associated braunite, albite, piedmontite, etc. The nests seem to be |  | | Journal (issue) | | on two sides of rock. 3 x 3 ... . BRAUNITE, Miguel Burnier, Brazil. Small xis. in mass. 2 x 2 ...... |  | | Journal (volume) | | Newfoundland—Costa Rica—Nicaragua—Argentina — Bolivia — Brazil — Chile—Colombia—Ecuador—Peru—Uruguay—Venezuela—Russia...Island—South Dakota—World’s Produc¬ tion of Graphite—Brazil—Canada—Ceylon—Germany—Italy Assay of Graphite...Countries (by Frank Drake, p. 462)—Brazil —The Miguel Burnier, Ouro Preto and Lafayette Districts—Canada—...Asia, Africa, Virginia — Wyoming— Argentina — Brazil—Chile—Peru— Algeria—Austria—Burma—China—Dutch...Austria-Hungary.. Gold [Gold Belgium. Silver Bolivia. Gold Brazil. Gold Canada . Central America... Gold Costa Rica |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Connecticut. Luiz A. D. Menezes: Belo Horizonte, Minas Gerais, Brazil. William C. Metropolis: Mineralogical Museum...Potosi SLP Mato Grosso Sul MS Sinaloa SIN Minas Gerais MG ee abasco Tamaulipas Tlaxcala Veracruz...Wokitecas eel TMPS Tia VER YUC ZAC States, Brazil Acre Alagoas Amapa Amazonas Bahia Ceara Para... and Ecuador; Morro Velho mine, Nova Lima, MG, Brazil. sm DI:90, R:321, P&J:281, ABI:189, MR 13:323(1982)... Cauca, ABI:410. Bom Sucesso, near Serro, MG, Brazil. 8m DI:106, R:340, P&J:302, 1.2.1.2 Iridium Ir |  | | Book (edition) | | Occurs in manganese ore deposits associated with braunite, hausrnannite, and other minerals. Found in Sweden...( cleavelandite). Also in Canada (peristerite), Brazil (cleavelandite), England, Norway, Sweden, France...Other notable occurrences are found in Canada, Brazil, Uruguay , Greenland, Norway, Sweden, Austria,...in France, Gennany, Czechoslovakia, Sweden, and Brazil. BEST REF. IN ENGLISH: Palache, et al., "Dana's... and North Carolina. lt also occurs in Canada, Brazil, England, Wales, Norway, France, Italy , Switzerland |  | | Book (volume) | | CONTENTS. ix PAGE Manganese Ore Deposits in Minas Geraes, Brazil (B) Manganese Ores in Normal Sediments (a).... . Trace. 100.09 Total An occurrence in Brazil, which possibly may be much younger in age, most...Am. Geol. O. A. Derby: 'On Nepheline Rocks in Brazil.' Quart. Journ. Geol. Soc., 1891, VII, p. 251....particularly in the ancient schistose rocks of Brazil form of strata and Antonio a series at Itabira...at Itabira, Villarica, and other localities in Brazil, associated with specular hematite schists. It |  | Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. | Book (volume) | | crystals occur in pegmatite at Bom Jesus dos Meiras, Brazil. Huge deposits of stratified, coarsely crystalline...Constantine, Algeria. At Choand the Morro Velho mine, Minas Geraes, in Bolivia, In large cleavable masses...Ulster County, New York; Hill, Roxbury, Connecticut. Brazil. and in talcose slate at Plymouth, Windsor County...Siberia. In the Queluz district and at Miguel Burnier, Minas Geraes, Brazil, and at Casapalca, Peru. In Catamarca...(Ann. gM. helgiqxie, Teruelite Maestre (Anales de Minas, 3, 264, 1845). Normal34, B 118, 1908). Codazzite |  | | Book | | Hematite Group 3. Bixbyite-Manganite Group 4. Braunite-Hausmannite Group 5. Pyrolusite-Psilomelane Group...of Porcupine in Ontario; Morro Velho in Minas Gerais, Brazil; Kalgoorlie in Western Australia ; Kochkar...'pipes' are also found in Yakutia, India, Minas Gerais in Brazil, and Czechoslovakia. Placer deposits occur...India; the Vargas, 726 carats. found in Minas Gerais, Brazil; the Tiffany, a yellow diamond, 128 carats...in Yugoslavia, Trentino in Italy, Morro Velho in Brazil, etc.). Considerable deposits are known from the |  | | Book | | state 62'4 per cent, of metallic manganese. 5. Braunite is a combination of the monoxide and sesquioxide...covered by three countries, Georgia, India, and Brazil, the first one of which interests us specially...countries producing manganese ore only India and Brazil have to be considered as serious competitors with...manganese the Province of Minas Geraes, in the districts of Miguel Burnier and Queluz, about 300 miles...de Janeiro, which is the shipping port for all Brazil mining is fields are situated in the ore from |  | | Book (edition) | | Two of the more important are Brazil twins and Dauphiné twins. Brazil twins (optical twins), with {1120}...interpenetration of two right-hand crystals. (b) Brazil twin, twin plane {1120}, interpenetration of a... Pyrolusite Psilomelane Manganite Hausmannite Braunite NONMETALLIC Soluble in HCl with of chlorine...about 1730 India was the only source of diamonds. Brazil became the chief producer from that time until... gold mine Mexico; and in Minas Geraes, at the Bluebell Brazil; at the mine, British pyrrhotite |  | | Book (edition) | | these twins are recognized by pyro-electrical the Brazil law phenomena. In Fig. 429 the twinning-plane is...right- and left-handed individuals (according to the Brazil law) which show these spirals of Airy. With cinnabar...grayish black. Opaque. Obtained chiefly from Bahia, Brazil. Comp. Pure carbon; the variety carbonado yields...itacolumite, which rock occurs at the mines of Brazil and the Ural Mts.; and also in Georgia and North...famous "Golconda mines." The diamond deposits of Brazil have been worked since the early part of the 18th |
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