 | | 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 Stegerâs 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. Switzerlandâs best-known locality for hematite |  | | Catalog/List | | and crystal forms, particularly of Fluorite, Tourmaline and Calcite. His fascination with Fluorite was...fine, large, colorful Tourmaline specimens. He coveted the âSharon Stoneâ Tourmaline group for years â ever...Maria do Jetiba, Espirito Santo, Southeast Region, Brazil Smokey scepter Quartz with extreme development...TERMINATED QUARTZ ON QUARTZ Diamantina, Minas Gerais, Southeast Region, Brazil Double-terminated, water clear...âLEMURIANâ QUARTZ PHANTOM JequitaĂ, Minas Gerais, Southeast Region, Brazil Water clear Quartz prism with an |  | | Book | | 1982 Jules Roger Sauer â 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. âBrazil, Paradise of Gemstonesâ, by Jules Roger Sauer,...worldwide, and for his ownership of the Cruzeiro tourmaline and mica mine and the Jacobina amethyst mine |  | | Journal (issue) | | Top right: Topaz, 8.4 cm, from Ouro Preto, Minas Gerais, Brazil. Lower left: Phosphophyllite, 2 cm, from...Andrea Bartorelli: Minerals and Precious Stones of Brazil. Other important references (if any) for individual...da Cabeca mine, Parelhas, Rio Grande do Norte, Brazil. Will Johnson collection (I had to buy many unwanted...Morganite beryl, 7.5 cm, from near Araçuai, Minas Gerais, Brazil. The find predates the discovery of morganite...to get this specimen, a complete floater, for my Brazil collection); Tom Spann photo. Reference: Cassedanne |  | | Journal (issue) | | a n d Peter C. Keller Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Governador Valadares...Summer 1985 85 GEM P E G m T I 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...focused on tourmaline prod~~ction around the city of Araquai, i n northeastern Minas Gerais, and discussed...article turns to the major tourmaline mines i n s o ~ ~ ~ h e a s t eMinas rn Gerais, in the broad area surrounding...mines-all of which count among the most famous tourmaline mines in the world-are described. ABOUT THE |  | | Journal (issue) | | mine, Minas GĂ©rais, 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...from granitic pegmatites and detrital deposits. Tourmaline-bearing pegmatites, which commonly are lensshaped... as are the crystals that they contain. The tourmaline-bearing pegmatites mainly consist of K-feldspar...main area producing tourmaline is the 'Eastern pegmatitic province' of Minas Gerais. One general and three |  | | Journal (issue) | | mineral collectorâPart 3: Treasure-hunting in Minas Gerais since 2000. . . . . . . . . . . ....Mina manganese mine, Conselheiro Lafaiete, Minas Gerais, Brazil. Probably the worldâs finest crystal of...The same problem arose when we tried to remove tourmaline crystals, which were encountered frequently but...on. Only one large, 10-cm sheaf of dark green tourmaline could be removed intact, after the most careful...11. Quartz crystals to 11 cm, with traces of tourmaline and a small attached topaz crystal (right). Robert |  | | Journal (issue) | | CollectorâPart II Fify-nine treasure hunts in Minas Gerais, 1969â2005 . . . . . . . . . . . . . 207 by...field mineralogist for the Manhattan Project in Brazil in 1941, and served in the Army Signal Corp in...volume 37, MayâJune, 2006 203 Kunzite with Tourmaline, 24.4 cm, from Pech, Afghanistan. Obtained from...CollectorâPart 2: Fifty-Nine Treasure Hunts in Minas Gerais, 1969â2005 Guido Steger Nestroystrasse 15 2700...been visiting mines and mineral occurrences in Brazil for 36 years, and has seen many now-famous discoveries |  | | Journal (issue) | | Windmill-cut topaz from Namibia|Tourmaline from Masisi, DRC|Yellow tourmaline from Mavuco, Mozambique|Tremolite...Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By AurĂ©lien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...ct Swiss Blue topaz, 7.99 ct amethyst, 3.29 ct tourmaline, 2.40 ct aquamarine, 1.12 ct Imperial topaz and... honey-colour chrysoberyl and ParaĂba-colour tourmaline. Each includes a definition, history, research |  | | 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 |  | | Catalog/List | | and Trademark Office. 36190 GERHARD WAGNER TOURMALINE & FINE MINERALS COLLECTION, AUCTION 1 The Session...of the ground. Of the countryâs localities for Tourmaline, Momeik stands out for producing the instantly...to the outside world continues to grow. 73001 TOURMALINE Momeik Township, Kyaukme District, Shan State...group presents as a roughly pyramidal knob of Tourmaline composed of hundreds of radiating, subparallel...G., & Walker, J. (Eds.). (2015). The World of Tourmaline: The Gerhard Wagner Collection. Dallas, Texas: |  | | Journal (issue) | | herself. FRONT COVER: "Blue-Cap" Tourmaline, 13.2 cm, from the Tourmaline Queen mine, San Diego County,...143, 184 Sulfur 91 Topaz 39, 73, 87, 103, 152 Tourmaline 27, 67, 79, 97, 121, 155, 161, 169, 185, front...Tasmania (plate 27) The "Rabbit-Ears" Tourmaline from the Tourmaline Queen mine, California (plate 31) "The...minerals respectively. Steve Smale is proud of his tourmaline sub-collection (a centerpiece of his entire collection)...derives satisfaction from adding a small, cute blue tourmaline to his Namibian collection, or from adding one |  | | Catalog/List | | 101 X 78 X 72 23. HEMZ\TITExx :- Itatiaia, Minas Geraes, Brazil. Nice arrl. lustrous te.tminated intergra-...From a now closed locality. 17 x 13 x 10 li. 62. TOURMALINE- ELBAITE xx - Stak Nala, Gilgit, Pakistan. Verycolorful...partial xl. 110,00 63. TOURMALINE- ELBAITE xx - Santa Rosa Mine, Itambacuri, MG, Brazil. A large single terminated...sections in a quar~z matrix. 124 x 82 x 44 64. TOURMALINE- ELBAITE xx - Gretta d'Oggi, San Piere in Campo |  | | Journal (issue) | | & Diane Brownlee collection; Joe Budd photo. Tourmaline with cleavelandite, 4.3 cm, from Stak Nala, Haramosh...kunzite), 9 cm, from the Urucum mine, GalilĂ©ia, Minas Gerais, Brazil. Gus & Jane Eifler collection; Holly Smith...Gilgit-Baltistan, Pakistan. Paul Bordovsky photo. Tourmaline, 11.5 cm, from Azad Kashmir, Pakistan. Jeff Scovil...Topaz, 15 cm, from Hematita, Antonio Dias, Minas Gerais, Brazil. Tom Spann photo. (below right) Spinel...Aquamarine, 9 cm, from Corrego SĂŁo Francisco, Minas Gerais, Brazil. Tom Spann photo. Rhodochrosite on manganite |  | | 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 |  | | Journal (issue) | | and barbosalite from Lavra do Criminoso, Minas Gerais, Brazil ..........................................covered: Himalaya mine, Mesa Grande, California Tourmaline Queen mine, Pala, California Pala Chief mine...Uruguay Santa Rosa mine, Itambacuri, Brazil Fazenda Anglo mine, Itambacuri, Brazil Morro Agudoz mine, Piracicaba...Piracicaba, Brazil Conselheiro Pena area, Rio Doce, Brazil Virgem da Lapa District, Minas Gerais, Brazil Aricanga...Cruzeiro, Brazil Santa Maria mine, Diamantina, Brazil Morro Velho mine, Nova Lima, Brazil Dom Bosco/Saramenha |  | | Journal (article/letter/editorial) | | formed in the Neoproterozoic AraçuaÄ±Ì orogen (SE Brazil) during Western Gondwanaland assembly Eliza Peixoto...formed in the Neoproterozoic AraçuaÄ±Ì orogen (SE Brazil) during Western Gondwanaland assembly, Gondwana...formed in the Neoproterozoic AraçuaĂ orogen (SE T Brazil) during Western Gondwanaland assembly a SC R...Alkmimb,1, I.A. Dussina,1 Universidade Federal de Minas Gerais, CPMTCâIGC, Programa de PĂłsâGraduação em Geologia...Campus Pampulha, Belo Horizonte, 31270â901, MG, Brazil Universidade Federal de Ouro Preto, DEGEOâEM, Campus |  | | Journal (issue) | | later shifted his focus to Mexico, and traveled to Brazil, irnporting !arge Supplement to The Mineralogical...Brumado mine, Brumado, Serra das Eguas, Bahia, Brazil. Don and Laura Aaron photo. 12 Supplement to...Spodumene, 9.5 cm, from Resplendor, Doce Valley, Minas Gerais, Brazil. Don and Laura Aaron photo. Malachite with...Conklin collection; Joe Budd photo. (Top right) Tourmaline, 9.5 cm, from the Dunton quarry, Newry, Oxford...photo. Heliodor (beryl), 11 cm, Padre Paraiso, Brazil. Joe Budd photo. OlmĂŒte, 7 cm, N'Chwaning mine |  | | Journal (issue) | | SEPTEMBERâOCTOBER 2019 Articles The Golconda District, Minas Gerais, Brazil ..........................................COVER: AUTUNITE on TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais, Brazil Brice Gobin (Mineral...China, South Africa, Namibia, Chile, Peru, Bolivia, Brazil and Mexico. His first exchange of specimens with...Pocket, Namibia 12.0 x 6.8 x 6.7cm Rhodochrosite Tourmaline with Cleavelandite N Chwaning I Mine, South Africa...SeptemberâOctober, 2019 The Golconda District Minas Gerais, Brazil Carlos Cornejo1 Andrea Bartorelli2 Wendell |  | | Book | | CLIFFORD >& VINCENZO de Janeiro, DE MICHELE, BRAZIL FRONDEL, >*%& Curator, Civic of Natural History...A second specimen, born in the back country of Brazil, started some millions of years ago as a glob of... Of unusual interest are the gem crystals of tourmaline, topaz, and aquamarine, and the 100-carat cut...companies own mines throughout the world, especially in Brazil. A very few dealers, knowing the location and quality...aquamarine or hemimorphite, jet-black cassiterite or tourmaline, or deepgreen pyromorphite or dioptase both have | | | Book | | curvello, Curator, National Museum, Rio de Janeiro, brazil ^ J. DELORME, mineral dealer, Tananarive, Malagasy...A second specimen, born in the back country of Brazil, started some millions of years ago as a glob of... Of unusual interest are the gem crystals of tourmaline, topaz, and aquamarine, and the 100-carat cut...own mines through out the world, especially in Brazil. A very few dealers, knowing the location and quality...aquamarine or hemimorphite, jet-black cassiterite or tourmaline, or deepgreen pyromorphite or dioptase both have |  | | Journal (issue) | | APRIL 1993 Cover Picture The Hematita mine in Minas GĂ©rais in 1987 - probably the richest alexandrite...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil' pp. 333-54) ISSN: 0022-1252 F.G.A. your key...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil JacquesCassedanne, Cassedanne, D.Sc.,* Maurice...Fundiio, FundĂŁo, 21,910, Rio de Janeiro, Janeiro, Brazil *Institute of Geosciences UFRJ-CNPq, Cidade Universitaria...Ipanema, 22,410, 22,410, Rio de Janeiro, Janeiro, Brazil **Maurice Roditi Jewellers, distinguished: Abstract |  | | Book | | BARTORELLI ::âą . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection...Fineart Print Inside cover photographs: "Parafba" tourmaline (25 x 6 mm), Sao Jose da Batalha, Parafba. Courtesy...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 |  | | Journal (issue) | | SeptemberâOctober, 2020 Aloe Family Trust Tourmaline, 10 cm, from the Malkhan pegmatite field, Krasnyi...Goldfield, Coolgardie Shire, Western Australia. Tourmaline, 13 cm, from Paprok, Kamdesh district, Nuristan...Yancowinna County, New South Wales, Australia. Tourmaline, 10 cm, from Paprok, Kamdesh district, Nuristan...California. Tourmaline, 11 cm, from the Santa Rosa mine, Itambacuri, Minas Gerais, Brazil. Aquamarine...Topaz, 8 cm, from Monte Alegre de Goias, Goias, Brazil. Supplement to The Mineralogical Record, SeptemberâOctober |  | | Book | | Topaz 190 218 Tortoise Shell 195 196 218 Tourmaline 201 219 Tsavorite 224 Onicolo Onyx 158...materials Quartz crystals from Corinto, Minas Gerais, Brazil. Height: 15 cm. Sorbonne collection using...crys- Washing diamond-bearing gravel in Minas Gerais, Brazil. Photo: tals of such minerals as quartz...phrase ââgem qualityâ to de- from Salinas, Minas Gerais, well as an ââornamental stone.â Amethyst...and a jeweler might then speak of a ârootâ as Brazil Length: 9 cm. K. Proctor collection, United States |
|
Santa Rosa Mine, Itambacuri, Minas Gerais, Brazil