 | | 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,...gemstones worldwide, and for his ownership of the Cruzeiro tourmaline and mica mine and the Jacobina amethyst |  | | 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 (article/letter/editorial) | | .BERYLLIUM MINERALS LUCIANO IN BRAZIL. âą J. MORAES. THE recentdevelopments in metallurgicalre...brief noteson the occurrence of berylliummineralsin Brazil. Thesenotesarebasedin part or mainlyonmy own observations...occurrences and most productive depositsof beryl mineralsin Brazil are found in the contiguous regionsof southernBahia...geologicalage--perhapslate Tertiary. In the state of Minas Geraes,beryl and aquamarineare also found at the followingplacesfarther...considerableproductionof beryl and aquamarine,as well as of tourmaline. Beryl is reportedfrom various |  | | Book | | BARTORELLI ::âą . . .. 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) | | 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 | | Books Edited by Peter G. Read Amber Helen Fraquet Beryl John Sinkankas Corundum Richard W. Hughes Garnet...Egypt 132 Argentina 132 Australia 133 Austria 135 Brazil 135 Bulgaria 155 Canada 156 Commonwealth of Independent...familiarity with Brazil and the importance of the 'Imperial' topaz deposits at Ouro Preto, Brazil, in the world...of Beryl by Sinkankas and Read in the Butterworth-Heinemann Gem Books series. Because both beryl and...assumed importance) in the trade of deposits in Brazil and the former USSR, particularly those of pink |  | | Book | | world mineralo- authority provides cultural beryl: and mineral collectors. here sciences, yet...material causes of to jewelry on the and beryl uses the techno- fora mineral only for and...cultural mineralogical once events. languages for beryl emerald logical to and part, Sinkankas explores...jewelsâand relatives, beryl is a of the ago, the fabled Table golden beryl medicine years of...Queen 5500 Egypt the part is anywhere an beryl deposits, of fine crystal Sinkankas has in the |  | | Book | | source of chromium; without it the corundum and beryl minerals, of which ruby and emerald are special...indicating a carbonaceous material. Emeralds from Brazil are usually full of thin liquid films and there...described some inclusions found more recently in beryl. Beryl of greenish and bluish colours, as well as some...of the cubic system. In a Brazilian colourless beryl, particularly prominent was a large brown mineral...also been noticed in a goshenite (colourless beryl) from Brazil and in the same crystal a manganese apatite | | | Book | | source of chromium; without it the corundum and beryl minerals, of which ruby and emerald are special...indicating a carbonaceous material. Emeralds from Brazil are usually full of thin liquid films and there...described some inclusions found more recently in beryl. Beryl of greenish and bluish colours, as well as some...of the cubic system. In a Brazilian colourless beryl, particularly prominent was a large brown mineral...also been noticed in a goshenite (colourless beryl) from Brazil and in the same crystal a manganese apatite |  | | Catalog/List | | BERTRANDITE:Bier1ann Quarry Nicrosingle, twinnedxis filling beryl casts in 1atrix. 1 CT[âą 3.00 l.55 lBINDHEINITE:Cornvall... S1all pieces. 1.75 BRAZillANITE:Ninas 6er1as, Brazil; Singlt light green, transparentto translucentxi...rhOlbicxis. PhosFl 3.75 2.00 6.50 l,00 S. Dakota;VAR1 lufa. Wt1rdli1t1tont rtplacin9soat ta-ular ,1ut (likt...in aragonih xl lined nodules. . . 3.50 1.75 Gerais, Brazil; Singletranspartnt/ transluscentxi stct1ons |  | | Catalog/List | | Nostlywhitephenakitexis; so1eapatite, pyrite pseudo's,scheelite, beryl. WOLF CREEK PASS:CO; Nice1ordenite,nontronite,celedonite...rhOlbicxis, PllosFL 3.50 1.95 1.00 S. Dakota;VAR: lufa, Weirdliaes onereplacingso1etabular flant (like...speci1ens,Theseare as goodas Cu1berland pieces, I Brazil· Thickblockylusteroussingle xls, 1.00 $ 10/ 15...aragonitexl lintd nodules. . 1,75 3.50 6erais, Brazil; Singletr111spart11t/ tr111slu1ct11t xl stcti01s...NA6NESITE:Bahia rhoabicxis. little/ no aatrix. 1 Brazil; S~arptransparent2-611intergrown 5.00 2.50 iNAlACHITE:Ajo |  | | Catalog/List | | tBERTRANDITE:Bieraann Quarry,CT;"icro single~ twinnedxis filli11~beryl casts in 1atrix. 2.00 BERYL:Savtooth "tns., ID;...with covellite. 1.75 BRAZILIAN! E:NinasGtrias, Brazil; Single light green, transparentto translucent)1...acuterhollbicxis. Phosfl 2.00 .90 S. Dakota;VAR: lufa. Wtirdli1ts onertplacingso1t tabularplant (like...speciaens,soâąe with euxenite. CHILDRENITE:hinas 6erais, Brazil· Abagof a1berxis &xi sections, up to 1/2' in length |  | | Book (edition) | | Fig. L32. 1'his con1bi11n.tio11 is obi:;crved on beryl Fig. 1:33. T ABLJ;; I Symmetry, 6 2 2 4 Planes...spherical triangular outline. San Fig. 308. AgaLe. Brazil. Diego County, California. In allochromatic minerals... Diamond. .5. .i\.patite . M ineralogy 102 Beryl, 7.5 to 8 in hardness, is often substituted for...ral Basnl Prismatic Calcite, dolon1itc, siderite Beryl, apatite, nepheline Apntite, nepheline 'l'ETRAGOKAL...these planes, as Fig . -t}5. Laue photograph of beryl ho\vn by the spots in the photograph, taken parallel |  | | Report (issue) | | mineralogically in teresting occurrences such as beryl-fluor ite-scheelite veins in the Mount Wheeler area...Wheeler Peak Mine in the Washington district, where beryl, phenakite, bcrtrandite, scheelite, and pyrite occur...(McCulloughs Butte) deposit in the Fish Creek c.ltstrict, beryl, sphalerite, scheelitc, and molybdenite occur in...Mountains of Clark County have yielded specimens 0 1 beryl, chrysoberyl, and other pegmatite n1inerals. Handsotne...turquoise. BERYL Beryl is an important gemstone; some varieties, such as emerald and red beryl, rank with |  | | Journal (issue) | | Utah'sWah Wah Mountains produce choice, gemmy red beryl in well-formed crystals. of the selected deposits...each packing about 100 In his travels to India and Brazil, he grown ,vith trees and brush, was the porpounds...or tumbler PREPARING THE TUFA From a piece or LUfa about 2Vâ inch· es by 3 inches by 2Yi inches, I... Amethy5U rlril & Urupy, Bmiian Aplr, Quartt· Brazil & Chin.l. app,ol 200 llalS of Mme! A11nffals, Poliwd |  | | Book (edition) | | green1sh-blue transparent gem variety of the minera l beryl 1 ,ak Wd ma'ren 1 Aquent A suborder of the soil...hexagonal system. the rare scandiurn ana log of beryl { 'ba,zTt} b-c fracture A tensĂon fracture parallel...1kes, used as a gem Also known as chrysopal, gold beryl { 'kris a,ber al } chrysocolla CuS10, 2H 20 A s1...\ bnll1anc-green to grass-green gem variety of beryl that crystalhzes in the hexagonal system, green...Also known as xanthosiderile ( 'g;:i,tTt} gold beryl St. d·rysoberyl l 'gold ,ber .:il l goldschmidtine |
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