 | | Journal (article/letter/editorial) | | Hydroxyl-fromherderitc Brazil and a Guide to Species Nomenclature for the Herderite/Hydroxyl-herderite... r recent years two Brazilian localities, Virgem da Lapa and the Golconda mine, have produced remarkable...alteration ofberyllonite (Palache and Shannon, 1928), or beryl (Yatsevich, 1935; Perham, 1964; Ginzburg and Shatskaya...Hydroxyl-Herderite. Virgem da Lapa, Minas Gerais, Brazil (3)* Golconda mine, Minas Gerais, Brazil (6) Waldstein...collectors. In recent years, however, two localities in Brazil have produced exquisite hydroxyl-herderite with |  | | 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... 5.5 cm, from the Alto da Cabeca mine, Parelhas, Rio Grande do Norte, Brazil. Will Johnson collection...2023 Figure 6. Morganite beryl, 7.5 cm, from near Araçuai, Minas Gerais, Brazil. The find predates the...to get this specimen, a complete floater, for my Brazil collection); Tom Spann photo. Reference: Cassedanne |  | | Journal (issue) | | 3 FEATURE ARTICLES Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Araquai Districts...tourlnaline thon anywhere else in the world-Minos Gerais, Brazil; the other with (I new locality for red tourmaline-Zcrmbia...thousand miles south, to the "Gem Pegmatites of Minas Gerais." THe first in a series (which Cdntinues in...his extensive travels in the mining regions of Brazil. Mr. Proctor received an M.S. in molecular biology...graduate gemologist. GEM PEGMATITES OF MINAS GERAIS, BRAZIL: THE TOURMALINES OF THE ARACUAI DISTRICTS |  | | Book (volume) | | Co., South Dakota, 16 Beryl (see also Aquamarine, Emerald, Morganite) (Red Beryl) Harris Claim, Wah Wah...Madagascar, 51 (with Magnesite) Brumado, Bahia, Brazil, 22 Cavradi Gorge, St. Gotthard Region, Graubunden...Hydroxylherderite (with Tourmaline) Xanda Mine, Virgem Da Lapa, Minas Gerais, Brazil, 23 Ilvaite (on Calcite) Huanggang... China, 33 Rhodonite Morro da Mina, Belo Horizonte, Minas Gerais, Brazil, 48 Scapolite Uluguru Mts.,...inclusions) Diamantina, Jequitinhonha Valley, Minas Gerais, Brazil, 60 Spessartine Garnet (on Smoky Quartz) |  | | Journal (article/letter/editorial) | | mystical source of exceptionul specitiiens-Minus Gerais. So muny ditverenl things hud coiiie from this...then I huve hud the opportunity to visit Minus Gerais six times und ulso the greut pleusure of yetting...1986: Maklng Connections Hyman had already been to Brazil three times and had made several good contacts...the third largest city in Brazil and the capital of the state of Minas Gerais. In Belo we were happy to...from the San Diego area who made frequent trips to Brazil. He knew the dealers, he knew the gems, and he |  | | Journal (article/letter/editorial) | | variety sericite replaces feldspars, spodumene, beryl, topaz, and tourmalines in pegmatites. Muscovite...growth, are 2â3 cm across, and are associated with beryl, albite, and quartz. Plumose muscovite has been...rosettelike habit. Associated minerals include beryl, albite, fluorapatite, and quartz. In nearby New...associated minerals include albite, fluorapatite, beryl, and quartz, to name but a few. Also in Grafton...produced muscovite books to 25 cm across as well as beryl altering to the fine-grained muscovite called sericite |  | | Journal (article/letter/editorial) | | 1967 in the Pioneira mine, Teofilo Otoni, Minas Gerais, Brazil. Downloaded by [Stockholm University Library]...de Salinas mine, Aracuai-Itinga district, Minas Gerais, Brazil. Although the owner did not wish to sell...specializing in colored gemstones. Keith's travels in Brazil in search of gems and crystal specimens have added...gemmy red tour malines from the Jonas mine in Brazil have sold for several hundred thousand dollars...from the Jonas pocket was said to have sold in Brazil in 1982 for close to $5 mil lion. This is in addition |  | | Journal (issue) | | Species Index: Azurite 41, 71, 141, 182 Barite 53 Beryl (Aquamarine) 59, 31, 73, 77, 89, 109,127,139,165...Chalcocite, Cornwall, England (p. 38-39) Heliodor Beryl, Ural Mountains, Russia (p. 48-49) Bournonite, Cornwall...1980's my interest had shifted to minerals from Brazil, Pakistan and Afghanistan, and the array of great...suppose the fragments of a lost painting by Leonardo Da Vinci were discovered in an excavation in Florence...private collector jump at the chance to own a real Da Vinci, the only one in private hands, even if only |  | | 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...tourmaline is the 'Eastern pegmatitic province' of Minas Gerais. One general and three detailed maps of specific...Tourmaline, pegmatite, eluvial deposits, gem mining, Brazil © Gemmological Association and Gem Testing Laboratory...the most remarkable coloured gemstones mined in Brazil where, erroneously, for a long time it was marketed |  | | Report (issue) | | [100.03] 100.00 (1) Paris, Maine, USA. (2) Virgem da Lapa, Brazil; by electron microprobe, H2 O by the Penfield...pneumatolytic origin; may form from the alteration of beryl or beryllonite. Association: Elbaite, topaz, cassiterite...Ungursuay, Kazakhstan. In Brazil, large crystals from the XandaÌ mine, Virgem da Lapa, and at the Golconda...Golconda mine, near Governador Valadares, Minas Gerais. Name: For predominance of hydroxyl over fluorine in...and W.E. Wilson (1979) Hydroxyl-herderite from Brazil and a guide to species nomenclature for the he |  | | Journal (issue) | | left) Elbaite, 4.5 cm, Sapo mine, Goiabeira, Minas Gerais, Brazil; Gus Eitler collection; Joe Budd photo....collection; Jeff Scovil photo. (lower right) Aquamarine beryl, 10.5 cm, Braldu Valley, Skardu, Northem Areas,... Kunzite spodumene, 11 cm, Urucum mine, Minas Gerais, Brazil. Ex Steve SmaJe collection. Joe Budd photo...albite, 12 cm, Telirio mine near Linopolis, Minas Gerais, Brazil. Joe Budd photo. Gold, 8 cm, St. Johns,...14.5 cm, Pederneira mine, Sao Jose da Safira, Minas Gerais, Brazil. Joe Budd photo. Pyromorphite, 12 |  | | Journal (article/letter/editorial) | | 407-carat teardrop; both stones are from Minas Gerais, Brazil. A n  other featured strength of the gemstone...of silicates on display are several specimens of beryl that show the variety of colors found in this popular...5-cm-thick sea-green crystal of aquamarine from Minas Gerais, Bra zil, catches the eye as does an emerald...calcite. A red beryl crystal in matrix from the Wah Wah Mountains, Beaver County, Utah; pink beryl (morganite)...California; Minas Gerais, Brazil; and Kunar, Afghanistan; as well as yellow beryl (heliodor) from Minas Gerais |  | | Journal (issue) | | Design Feature articles Hydroxyl-herderite from Brazil and a guide to species nomenclature for the he...known, with albite and elbaite, from Virgem da Lapa, Minas Gerais, Brazil. The crystal is 14.1 cm in height...20715 n recent years two Brazilian localities, Virgem da Lapa and the Golconda mine, have produced remarkable...of beryllonite (Palache and Shannon, 1928), or beryl (Yatsevich, 1935; Perham, 1964; Ginzburg and Shatskaya...End-Member 54â63% Virgem da Lapa, Minas Gerais, Brazil (3)* 71-90% Golconda mine, Minas Gerais, Brazil (6) 53% |  | | Book (volume) | | Co., Colorado, 43 Apatite Golconda Mine, Minas Gerais, Brazil, 13 Laghman, Nuristan, Afghanistan, 31 Panasqueira...Nigeria, 15 Medina Mine, Minas Gerais, Brazil, 36 Teofilo Otoni, Minas Gerais, Brazil, 27 Azurite (with Malachite)...Tsumeb, Namibia, 16, 20 Beryl (see also Aquamarine, Morganite, Emerald) (Red Beryl), Violet Claim, Wah Wah...Corrego do Urucum, Minas Gerais, Brazil, 29 Conselheiro Pena, Minas Gerais, Brazil, 8 Painera Mine, Virgem...Virgem Da Lapa, Brazil, 24 Phosgenite Touissit, Oujda, Morocco, 19 Phosphophyllite Unificada Mine, Cerro |  | | Journal (article/letter/editorial) | | AND MINERALS Figure 12: Light blue crystals of beryl Figure 15: Lustrous pearly grey leiteite, Tsumeb...light yellow, twinned crystal, Linopolis, Minas Gerais, Brazil (7.4 cm). 18: Deep blue, doubly terminated...crystals on albite, Jonas mine, Itatiaia, Minas Gerais, Brazil (5 cm). Figure 23: Cherry red proustite...40: Light blue beryl crystals (variety aquamarine), Rio Jequitinhonha, Minas Gerais, Brazil (8 cm). M A...crystals of cleavelandite with muscovite, Minas Gerais, Brazil (18 cm). Figure 64: Bright blue azurite |  | | Journal (article/letter/editorial) | | Laboratory, Carlsbad, California BRAZIL IMPRESSIONS: I have only been to Brazil twice, but 1 did see a lot...most expensive real estate. While on a tour in Brazil in the early 198Os, our bus was stopped by the...begging everyoneâs forgiveness. My second trip to Brazil was in 1987 as a member of the International Gemological...Conference group. I had a wonderful time on both trips. Brazil is a beautiful country, one full of contrasts....Fallbrook, California FIRST TRIP TO BRAZIL: I have a number of memories of Brazil, but perhaps the most vivid |  | | Catalog/List | | HELIODOR, Volinia, Ukraine. Singly terminated striated beryl SX.D. 26x7x5mm. 44 ÂŁ18.00 NATIVE SILVER & COPPER...00 HELIODOR, Volinia, Ukraine. Attractive gemmy beryl SX showing dissolution surface etching. Free of...ÂŁ75 00 GREEN TOURMALINE, Barra De Salinas, Minas Gerais, Brazil. Pretty striated terminated SX of zoned...matrix. R/D.C. i 73. ÂŁ85.00 ROSE QUARTZ, Minas Gerais, Brazil. Large part quartz xtl. with interal white...105x62x20. 38E110.00 TOURMALINE, Virgem de Lapa, Minas Gerais, Brazil. Beautiful dark geen striated terminated |  | | Journal (issue) | | malachite, rhodochrosite, silver, azurite, dioptase, beryl, copper, cerussite, etc. . . . 136 mineral specimens...Aesthetics Underground - Canada Alvaro Lucio M inerals - Brazil Ana Arruda - Azores Arizona M inerals Artifactual...Artifactual Im port Ausrox - Australia Barbosa, Carlos - Brazil Barcelona - US Im porters - Spain Ben David, Claude...Megaw, Peter M inerals Menezes, Luiz M inerals - Brazil M ercer M inerals M idwest M inerals M ikon M ineralien...ineralien Kontor - Germany Min - Geo - Czech Republic Minas Victoria - Spain M iner-W a - Poland Mineral Cabinet |  | | Journal (article/letter/editorial) | | Germany. Figure 4. Beryl (variety Heliodor), Teofilo Otoni, Minas Gerais, Brazil; 2002; painted actual...5. Elbaite on Lepidolite: Coronel Murta, Minas Gerais, Brazil; 2007; painted actual size of specimen (9...Mine, Itatiaia District, Conselheiro Pena, Minas Gerais, Brazil; 2007; painted actual size of specimen (9...Hydroxyherderite (twinned crystal), Xanda Mine, Virgem da Lapa, Minas Gerais, Brazil; 2002; painted actual size of specimen...de Dada, Pederneira Mine, SĂŁo JosĂ© da Safira, Minas Gerais, Brazil; 2007; painted actual size of specimen |  | | Report (issue) | | = 8.3909(5) Z=4 X-ray Powder Pattern: Minas Gerais, Brazil; Durango, Mexico; Thomas Range, Utah, USA;...heavy detrital mineral. Association: Tourmaline, beryl, microcline, albite, °uorite, cassiterite, zinnwaldite...Japan. From Ouro Preto and near Virgem da Lapa, Minas Gerais, Brazil. In the USA, at Devils Head, Douglas |  | | Journal (issue) | | by R. J. King Famous mineral localities: The Virgem da Lapa Pegmatities .................................people: COVER: BERYL crystal, 7 cm tall, from the Virgem da Lapa district, Minas Gerais, Brazil. Sorbonne...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 |  | | Journal (issue) | | Hawthorne & W. W. Pinch Fifty-nine treasure hunts in Minas Gerais . . . . . . . . . . . . . . . . . . . . . ....COVER: BERYL crystal (variety morganite) on albite matrix, 6.6 cm, from Conselheiro Pena, Minas Gerais...Gerais, Brazil. Sandor Fuss/ Stuart Wilensky specimen; Jeff Scovil photo. For more on the minerals of Minas...Minas Gerais see Guido Stegerâs memoirs in this issue. The Mineralogical Record (ISSN 0026-4628) is published...clusters of brilliant black, blocky or platy crystals (Brazil, South Africa); sharp crystals in groups with flashing |  | | 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,...Century. The book is a showcase ofthe best from Brazil and it makes a handsome evocation of what is beautiful |  | | Report (issue) | | elbaite, amblygonite, columbite, cassiterite, topaz, beryl, micas. Distribution: At Ro·zn¶a, near Byst·rice...Hazaribagh, Bihar. From the Virgem da Lapa pegmatite, Minas Gerais, Brazil. Name: From the Greek lepidos |  | | Journal (issue) | | Pegmatites, Limoeiro Mine, Virgem da Lapa, Ara~uaf Pegmatite District, . Minas Gerais, Brazil, Michael A. Menzies...Specimen: Elbaite from the Cruzeiro Pegmatite, Minas Gerais, Brazil: At the Natural History Museum of Los Angeles...72.5 cm, Limoeiro mine, Virgem da Lapa, Ara<;uar district, Minas Gerais, Brazil; private collection, Jeff...Heliodor, 5.5 x 14.2 cm, Minas Gerais, Brazil; B: Topaz, 8 x 10.5 cm, Minas Gerais, Brazil; C: Aquamarine, 6...6.5 x 14.1 cm, Pioneer mine, Minas Gerais, Brazil; D: Elbaite, 8.9 cm high, Himalaya mine, Mesa Grande |
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Xanda mine, Virgem da Lapa, Minas Gerais, Brazil