 | | Journal (issue) | | Capelinha! L L The Mineralogical Record MAY–JUNE 2022 • VOLUME 53 • NUMBER 3 • $30 Wayne & Dona...Articles Capelinha: Titanite and epidote deposits of the Capelinha Region, Minas Gerais, Brazil .........and epidote on matrix, 4.4 cm, from Capelinha, Minas Gerais, Brazil. Gail and Jim Spann collection; Tom...w. FineMineral.com Tourmaline Cruzeiro Mine, Brazil. 19.5 cm Fine Minerals International proudly invites...2022 CAPELINHA TITANITE AND EPIDOTE DEPOSITS OF THE CAPELINHA REGION, MINAS GERAIS, BRAZIL Andrea Bartorelli1 |  | Moreira, Helen F., Danderfer, André, Costa, Alice F.O., Bersan, Samuel M., Lana, Cristiano C., Queiroga, Gláucia N. (2020) Record of Early Tonian mafic magmatism in the central Espinhaço (Brazil): New insights for break-up of the Neoproterozoic landmass ancestor of São Francisco-Congo paleocontinent. Geoscience Frontiers, 11 (6) 2323-2337 doi:10.1016/j.gsf.2020.02.007 | Journal (article/letter/editorial) | | Tonian mafic magmatism in the central Espinhaço (Brazil): New insights for break-up of the Neoproterozoic...Ouro Preto, Brazil Department of Geology, Mine School, Federal University of Ouro Preto, Brazil A R T I...and Ernst, 2006; Ernst et al., 2013). In eastern Brazil, the S~ao Francisco Province is the crustal fragment...University of Ouro Preto, Brazil, Campus Universitario, 35400-000, Ouro Preto, MG, Brazil. E-mail addresses:...Tonian mafic magmatism in the central Espinhaço (Brazil): New insights for break-up of the Neoproterozoic |  | | Book | | 1982 Jules Roger Sauer ” Foreword For years Brazil has been the major producer of colored stones in...metamorphic rocks, the variety of gem deposits in Brazil is almost infinite. In addition to the mineral...assemblage one might expect from pegmatite dikes, Brazil also produces a very significant output of diamonds...written in English, and beautifully illustrated. “Brazil, Paradise of Gemstones’, by Jules Roger Sauer,...Century. The book is a showcase ofthe best from Brazil and it makes a handsome evocation of what is beautiful |  | | Journal (issue) | | the CapelinhaMalacacheta Area (State of Minas Gerais, Brazil)..........................................Selection of Superb Gem Minerals recently acquired in Brazil. Also the Finest Dark Blue-Green Amazonite Groups...field, N. J. 07003 223 MINERAL COLLEC from the Capelinha-Malacacheta / by Jacques The Rio Doce Valley...towns lie on main highways and have airports. Capelinha, one of the great mineralogical centers, may be...Pote and Malacacheta (91 km) be fore reaching Capelinha in 5 hours (167 km). Numerous jeep roads cross |  | | Journal (article/letter/editorial) | | epidote as tufted crystals with unusually large actinolite crystals are reported from the Pewabic mine and...have been available periodically from Capelinha, Minas Gerais, Brazil. Well-formed, thick, terminated epidote...Doce area of Minas Gérais and in Mina Vereda do Meio, Lajes, Rio Grande do Norte, Brazil. Fanlike sprays |  | | Book (edition) | | Llallagua, Bolivia; and from Morro Velho Mines, Minas Gerais, Brazil. 31 SULFIDES AND SULFOSALTS Name:...Binnatal. Splendid crystals at Cerrado Frio, Minas Gerais, Brazil. 10X Rutile ( Long reddish- brown crystals...Bourg at Binnatal d’Oisons, crystals at Minas Gerais, Brazil. and France. St. Gotthard,~ Gem quality... England. Also at Minas Gerais, yellow clustered aggregates. 74 St. Just, Brazil, as Cornwall, orange-...crystals at Morro Velho gold mine, Minas Gerais, Brazil; many at Camborne, Redruth, and St. Austell |  | | | | Llallagua, Bolivia; and from Morro Velho Mines, Minas Gerais, Brazil. 30 2 X Pyrrhotite 31 SULFIDES AND...Binnatal. Splendid crystals at Cerrado Frio, Minas Gerais, Brazil. 66 Rutile (Long reddish-brown crystals...d’Oisons, France. Gem quality crystals at Minas Gerais, Brazil. occurrences: 68 Anatase (Large black...and St. Just, Cornwall, England. Also at Minas Gerais, Brazil, as orangeyellow clustered aggregates. ...shaped crystals at Morro Velho gold mine, Minas Gerais, Brazil; many at Camborne, Redruth, and St. Austell |  | | Journal (issue) | | deposits as remote and far apart as Afghanistan, Brazil, Kenya and Switzerland, and it appeared rather...a colourless beryl (a so-called goshenite) from Brazil, which had been cut so as to facilitate the inspection...(phlogopite, muscovite and niobite) in a goshenite from Brazil. 25 x Detail of Figure 1: cluster of pseudohexagonal...internal paragenesis of the second goshenite from Brazil. We recognize large brownish pseudohexagonal crystals...goshenite. Another goshenite, also excavated in Brazil, looked very similar to the afore-mentioned specimen |  | | Book | | several tons each are known from pegmatites in Brazil and Madagascar as weil as from Alpine type veins...dispersed on our planet and particularly deposits in Brazil and Madagascar are famous and researched in detail;...protogenetically formed scapolite, anhydrite, biotite, actinolite ("amiant"}, rutile, tourmaline, epidote and ilmenite...inclusions. l n Brazil quartz veins and Alpine type veins are particularly known from Minas Gerais, Bahia and...cm. Above. Unknown white fibres in quartz from Brazil. Height 4.5 cm. Oben links. Arsenopyrit im Quarz |  | | 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,...Junior (BC Gemas do Brasil, Governador Valadares, Brazil), and heating to 500°C in air was successful in...consistent with the calcic amphiboles tremolite-actinolite, and the RIs correspond to a tremolite-rich composition...Cr. Although the presence of Fe suggests the actinolite end of this isomorphous series, Mg is only marginally |  | | Journal (issue) | | Erythrite Mimetite Scorodite Thometzekite Silicates Actinolite Albite Andradite Apophyllite Chlorite group Chrysocolla...recovered at the Verchniy mine. Actinolite Ca2(Mg,Fe)5Si80 22(OH)2 Actinolite is a rare accessory mineral...(1999 to present). Pink quartz, Pitorra mine, Brazil Nomenclature of Quartz Color Variations— Pink...the origin of the pink color of the crystals from Brazil is related to a trace amount of phosphorus in the...childrenite with the pink quartz crystals from Brazil. It is proposed, based on this information, that |  | | Journal (issue) | | cm, from near Galileia, Rio Doce Valley, Minas Gerais, Brazil. Roberto Appiani photo. IIEMATITE with... from the Santa Rosa mine, Doce Valley, Minas Gerais, Brazil. Jeff Scovil photo. Supplement to The Mineralogical...terminated scepter from the Medina mine, Minas Gerais, Brazil. Jeff Scovil photo. (above left) ELBAITE...the Pederneira mine, Sao Jose da Safira, Minas Gerais, Brazil. Jeff Scovil photo. SCHEELITE on muscovite...twins found in 1940 at Itagua~u, Espirito Santo, Brazil. Jeff Scovil photo. Supplement to The Mineralogical |  | | Catalog/List | | _ � - CRYSTALS NOT PISTOLS DELIGHTFUL 2 ACTINOLITE See AMPHIBOLE Fl/R. MM LB. ADAMITE A basic arsenate.... AMPHIBOLE Calcium magnesium iron silicate. ACTINOLITE California San Bernardino Co., Wrightwood. Green...pink clea vable with quartz and m ica . . . Brazil Minas Gerais, Arassuahy. -----rransparent brown- green...50 1.50 2 . 50 10- 1 " Teofilo Otoni, Minas Gerais, Brazil Single blue hexagonal crystal prisms. These...microcline or quartz . .. . .. . .... : .. . Brazil Minas Gerais, Teofilo Otoni. -v.ile blue single transparent |  | | Book | | 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...and platinum from C6rrego Born Sucesso, Minas Gerais, Brazil 23:471-474 AMARGOSA DESERT Hydroboracite |  | | Journal (article/letter/editorial) | | several centimeters long are associated with actinolite, variety byssolite, and numerous other species...yellow-green titanite, from the Capelinha mine, Minas Gerais, Brazil, are relatively inexpensive and...skarn. Associated minerals include magnetite, actinolite, albite, epidote, and titanite (Gonzales del |  | | Catalog/List | | AMBLYGONITE Sodium lithium aluminum phosphate Brazil Minas Gerais, Governador Valaderas Single pale yellow...50, $8. 50 and $10. 00 ............. BrazLI Minas Gerais, Governador Valaderas ~ow cleavages, sections.... AMPlilBOLE Calcium magnesium iron silicate ACTINOLITE California San Bernardino Co. , Wrightwood Green...clea\'able mass ANDALUSITE Aluminum silicate Brazil Minas Gerais, Arassuahy ~nsparent to translucent brown-green...rnicrocline ...................... . AQUAMARINE Brazil Minas Gerais, Tcofilu Otani ~ blue transpa1:ent :;lassy |  | Brotzu, P., Gomes, C.B., Melluso, L., Morbidelli, L., Morra, V., Ruberti, E. (1997) Petrogenesis of coexisting SiO2-undersaturated to SiO2-oversaturated felsic igneous rocks: The alkaline complex of Itatiaia, southeastern Brazil. Lithos, 40 (2) 133-156 doi:10.1016/s0024-4937(97)00007-8 | Journal (article/letter/editorial) | | The alkaline complex of Itatiaia, southeastern Brazil P. Brotzu a, C.B. Gomes b, L. Melluso a3*, L. Morbidelli...Geocihbas, Universidade de Skio Paula, Siio Paula, Brazil ’ Dipam’mento di Scienze della Terra, Universith...augitic to aegirine-rich pyroxenes, hastingsite and actinolite to richterite and arfvedsonite amphiboles, sodic...Cretaceous-Tertiary alkaline province of southeastern Brazil, that is distributed around and * Corresponding...melluso@unina.it. 0024-4937/97/$17.00 Itatiaia; Brazil within the Pam& basin (Ulbrich and Comes, 1981; |  | | Journal (issue) | | Spessartin aus Brasilien. Orange-red spessartite from Brazil. Zeitschr. d. deutsch. Gemmol. Gesellschaft, 1970...Garnets of various colours have always been found in Brazil. A new type of garnet was found in the Golcanda... Le gite de sphene-gemme de Capelinha. Gem quality sphene from Capelinha. Bui. Ass. Française de Gem...municipality of Capelinha, 134 km. from Diamantina and 157 km. from Teofilo Otoni, in the state of Minas Gérais...6050 and 5050Â. T h e stones show inclusions of actinolite similar to those displayed by Siberian and South |  | | Journal (issue) | | some really nice epidotc specime ns from Capelinha, Minas Gerais. at very modes prices. They are shiny....Rica 190, CEP: 30320-030, Belo Ho ri zonte . MG. Brazil , phone 553 1-285-45 17. emai l gems@br.homeshopping...etc. There was no loca lity given except M inas Gerais. The wonderful color is due to hematitic dust inc...Gudzhivass, Pamir Mountains Sanarka Mine Quartz Actinolite, axinite. calcite, epidote, garnet, quartz Quartz...pyrite. q uartz. s idcrite. sphalerite, wurtzite Actinolite, epidote , magnetite, quartz numerous minera |  | | 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 |  | | 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 |  | | Catalog/List | | . AMPHIBOLE Calcium magnesium iron silicate ACTINOLITE California San Bernardino County, Wrightwood...specimens .. ANDALUSITE Aluminum silicate Brazil Minas Gerais, Arassuahy Transparent brown-green pleochroic............ . GIBBSITE Aluminum hydroxide Brazil Minas Gerais - Ore of aluminum Botryoidal banded mass...pyrophyllite ......................... . Brazil Minas Gerais, Capelinha ~cted bright blu·e transparent to translucent..._. ............... . MARTITE Iron oxide Brazil Minas Gerais, Itabira ~dish to yellow brown octahedral |  | | Book | | Twinning in quartz is virtually universal; Dauphine, Brazil and Japan twins are the most common types and twinning...Harrowbarrow, Calstock, Cornwall (England). Actinolite Ca2(Mg,Fe)5Si8022(0H)2 Amphibole group Hardness...actinolite's fibrous nature frequently twinned Actinolite forms a series with tremolite and with ferroactinolite...-61- jade mineral nephrite consists largely of actinolite. Most transparent specimens from Madagascar and...features May show weak orange fluorescence LWUV Brazil Name From Greek word Crystal system, form and |  | | Journal (issue) | | Plumboan crichtonite from the Fazenda Guariba, Minas Gerais, Brazil ..........................................calcite. Other gangue minerals include chlorite, actinolite, talc, mica, garnet, epidote, graphite, augite...paragenetic sequence is (1) garnet and augite; (2) actinolite; (3) epidote as an alteration product of garnet;...awr College collection. Actinolite Ca2(M g,Fe2+)5Si80 22(0 H )2 Fibrous actinolite is a common constituent...constituent of the orebody. Actinolite forms pale to olive-green, felty, matted, compact aggregates of acicular |
|
