 | | Report (issue) | | Geocronite Pb14 (Sb, As)6S23 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic...Siberia, Russia. From the Xanda mine, Virgem da Lapa, Minas Gerais, Brazil. In the Noche Buena mine, Mazapil...Douglass, R.M., M.J. Murphy, and A. Pabst (1954) Geocronite. Amer. Mineral., 39, 908–928. (3) Birnie, R....crystal structure and extent of solid solution of geocronite. Amer. Mineral., 61, 963–970. (4) Criddle, A |  | | Journal (issue) | | by R. J. King Famous mineral localities: The Virgem da Lapa Pegmatities .................................crystal, 7 cm tall, from the Virgem da Lapa district, Minas Gerais, Brazil. Sorbonne collec tion, photo...January-February, 1982 famous mineral localities: J/irqem da Lapa I pegmatites peamc by J. P. Cassedanne Instituto...University of Rio de Janeiro & C.N.Pq. Rio de Janeiro, Brazil and Jack Lowell Colorado Gem and Mineral Company...a small pegmatite area in northeast ern Minas Gerais, Brazil, began to produce uncommonly fine specimens |  | | 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...prospect, Minas Gerais, Brazil 21:405-408 --with J.P. Cassedanne: Crystallized rose quanz from Alto da Pitora...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 (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...from the Pederneira mine, Sao Jose da Safira, Minas Gerais, Brazil. Jeff Scovil photo. SCHEELITE on...twins found in 1940 at Itagua~u, Espirito Santo, Brazil. Jeff Scovil photo. Supplement to The Mineralogical |  | | Book | | historical diamonds from India (Golconda). Brazil (Diamantina, Minas Gerais), Congo. Angola and Namibia were found...from Sudbury, Ontario, Canada and Morro Velho, Brazil. Its large accumulations are important Cu ore Cubanite...Yunosawa mine, Japan. Geocronite, 70 mm. Pribram. Czech Republic Geocronite P b , 4 (Sb,As) 6 S 2 3...Crystals up to 90 mm (37.<, in) found in Virgem da Lapa, Brazil. Tabular crystals up to 40 mm (17is in)...cm were found in pegmatites in Jaguaragu, Minas Gerais, Brazil. Crystals up to 20 cm (77« in) in size reported |  | | Journal (issue) | | TourmalineGolconda mine, Minas Gerais, Brazil SHOWS r Houston-Se.9-11 Bisbee - Oct. 9-12 Detroit - Oct...Amethyst and other minerals from near Vitoria da Conquista (Brazil)................................382 by Jacques...crystal unless the faces are examined carefully. The Brazil twin (Figure 17) is an example. Notice that face...Figure 16. (above right) Rutile twinned on (031) (Brazil; very dark red; 2.8 x 3.7 cm; U.S.N.M. #C5985)...#C5985). Figure 17. (right) Diagram of the quartz Brazil twin. Figure 18. (below) Aragonite often shows a pseudo-hexagonal |  | | Book | | historical diamonds from India (Golconda), Brazil (Diamantina, Minas Gerais), Congo. Angola and I ,.,mibia were...from Sudbury, Ontario, Canada and Morro Velho, Brazil. Its large accumulations are important Cu ore ...and from Colquechaca, Bolivia. Pyrrhotite, 68 mm, Da/negorsk, Russia Pyrrhotite Fe1-xS (x = 0-0, 17)... Geocronile, 70 mm, P'Nbram, Czech Republic Geocronite Pb 14 (Sb,As)6S23 MONOCLINIC e e Properties:...Crystals up to 90 mm (3•/,. in) found 10 Virgcrn da Lapa. Brazil Tabular crystals up to 40 mm ( 1• u in) across |  | | Journal (issue) | | Ceylon. (3) Euclase crystal, 1.8 cm, from Minas Gerais, Brazil. (4) Humite, 2.3 cm, from Mount Somma, Italy...Italy. (5) Palladium, 2.1 cm, from Brazil. (6) Mellite, 2.5 cm, from Thuringia, Germany (?). (7) Aragonite...probably from the Jequitinhonha River area, Minas Gerais, Brazil. 4 Refined Elegance, a Supplement to The...Topaz, 2 cm, from Minas Gerais, Brazil. (10) Chrysoberyl, 2.4 cm, from Minas Gerais, Brazil. (11) Euclase...Euclase, 2.1 cm, from Minas Gerais, Brazil. (12) Olivine, 2.7 cm, from St. John’s Island, Egypt. given the |  | | 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 |  | | Journal (issue) | | Bad Ems, FRG Taouz, Morocco Good Rose quartz Brazil Calcite St. Andreasberg, Harz, FRG Prehnite, Axinite...they repreent a single series. Jordanite and geocronite have similar macroscopic characteris es and...possible to pecify only the series jordanite-geocronite; chemical data are enerally required for further...Orlandi and Bianchi also reported the presence of geocronite. In 1980 Bracci et al. reported two analyses...analyses, one of jordanite and one of geocronite. Figure 36. Jordanite crystal, 0.2 mm, Fantiscrit ti quarry |  | | Journal (issue) | | thumbnail and miniature-sized. But it was Minas Gerais, Brazil which turned out the two new discoveries...anatase/rutile from the fertile pegmatites of Minas Gerais-take the helvite first. In March 2003, a 3 x...Penha do Norte district, Conselheiro Pena, Minas Gerais, Brazil. The new anatase/rutile specimens offered...alluvial deposit in the Cuiaba district, Gouveia, Minas Gerais. At Costa Mesa Luiz had about 50 of the loose...(to my knowledge, or Luiz's) from any locality in Brazil or elsewhere. A few Russian dealers were in attendance |  | | Journal (issue) | | had great connections for mineral specimens in Brazil. Taking Larry's place as Romanella's protege was...Beszterczebanya. Nr. GeologJcke odd elen le SBM v Da n s. kej StiavnlcJ uL~ J, Loe.: ' ·/ J?~~ Inv...Tourmaline" Tourmaline on Quartz Cruzeiro Mine, Minas Gerais, Brazil Ex-collections D. Wilbur, K. Proctor, S...mineral; prices range from $600 to $5,800. To come to Brazil, as we now do, is to check out what must be considered...the famous Cruzeiro mine near Sao Jose da Safira, Minas Gerais (see the article by the Cassedannes back |  | | Book | | Watson, Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized...Laguna da Salinas near Arequipa, Arequipa Department. Around 2000, active mining at the Laguna da Salinas...KARIBIBITE LATIN AMERICA BRAZIL C6rrego do Urucum pegmatite, Galileia, Minas Gerais. The rare iron arsenite...KOSNARITE LATINAMERICA BRAZIL Genipapo [Jenipapo] district, Itinga, Minas Gerais. The very rare K-Zr phosphate...montebrasite/kosnarite specimens, attribute them to the Virgem da Lapa pegmatites, which lie only about 35 km west |  | | 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...mine. Edwards. St. blue masses at Brumado Bahia, Brazil. At SchneeLawrenceco.. NewYork.andon LakeHarbour...Mts., Germany. ~n Au veins_at Mo1To Velho. Minas Gerais, Brazil. With tourmaline, muscovite-fuchsite,apatite |  | | Journal (issue) | | : 0 89 16 13 47 11 Munich Show Munich Show Minas Gerais Oct. '84 Oct. '85 '85 • ADVENTURE CENTER •...Lockey Wood Rd. Beacon, N.Y. 12508 D irect from Brazil m g i i w j P.O. Box 222 Oceanside, N.Y. 11572...1967). Arthur E. Smith Jr. Houston, TX FLUORITE, GEOCRONITE, SYLVITE AND STOLZITE Reading through my issues...the Virgem da Lapa pegmatites (vol. 13, p. 27) the authors describe a V-shaped twin of geocronite which...each about 7.5 cm long . . . by far the finest geocronite ever found.” Crystals slightly larger (to 8 cm) |  | | Journal (issue) | | Mineral Localities: Pedra Preta (Magnesite) mine, Brazil Special feature: the Bosch collection, now in the...ARIZONA \1 ___________85701___________ Direct from Brazil M G llD P O filS ,! P.O. Box 9 8 2 Hawthorne...Tisnova, Western Mora via, Czechoslovakia), geocronite (Falun, Sweden), thoreaulite (Manono pegmatite...thumbnail to cabinet size imported directly from Brazil, South-West-Africa and Tasmania. Specializing...388—Apt. 91 Caixa Postal 2.206 01000—Sao Paulo, Brazil Dear sir, I would like to establish contact with |  | | Book (edition) | | (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...cm ol 8 ew xl) near 0S)5Gs—s Linopolis, Minas Gerais, 5805 of 109°29' SB = 197-46 tye 062sTT 3 |  | | Journal (issue) | | rivers. The gold pictured was found in Serra Pelada, Brazil. Below: Stand ing an kle-deep in water, miners...American Gold Rush. ·~... , I·' -=. ;.·-- J_.• , Brazil has vast mineral wealth. Its deposits include coal...diamonds, manganese, plutonium and uranium. The Minas Gerais region north of Rio de Janeiro has mines that...amazonite is found in the following locations: Minas Gerais (Brazil); Baffin Island, Ontario and Quebec (Canada);...following locations: Rauris (Austria); Bahia and Minas Gerais (Brazil); Bourg d'Oisans, lsere (France); Hardangervidda |  | | Journal (volume) | | the best quality rose quartz comes from Minas Gerais, Brazil; Madagascar; South Africa; and Maine and...however, a blue tourmaline gemstone from Paraiba in Brazil can be worth more than a ruby. Similarly, a t,mzanite...variety of quartz. The best examples come from Brazil, the Ural Mountains of Russia, the islands of Sri...with yellowish calcite from Rio Grande do Sul in Brazil. CHARACTERISTICS The amethyst is a purple or violet-blue...amethysts is found is the Rio Grande do Sul region of Brazil. Other significant deposits of amethysts are found |  | 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...Canada, Short Course, Vol. 1 Marine Geology Memorias da Academia das Ciencias de Lisboa, Classe de Ciencias... and Ecuador; Morro Velho mine, Nova Lima, MG, Brazil. sm DI:90, R:321, P&J:281, ABI:189, MR 13:323(1982) |
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