 | | 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 |  | | Report (issue) | | from some pegmatites. This specimen, from Minas Gerais, Brazil, is housed in the Deutsches Edelstein Museum...crystals are found in soils and stream gravels in Brazil. On the other hand, at high temperatures and pressures...phosphate type pegmatites, beryl is associated with quartz, microcline, albite, muscovite, biotite, ferrocolumbite...Alpine and hydrothermal veins, it is found with quartz and feldspar. In topaz rhyolites where red beryl...beryl is found, topaz, high-temperature quartz, and bixbyite are common associates of beryl. Alteration |  | | Journal (issue) | | Calcite-Kevin & Mark Brown collection, page 52; Smoky quartz gwindel-Brent Lockhart collection, page 175;...unearthing many fine specimens of gadolinite, smoky quartz, fluorite, feldspar in crystals to five feet...Streeter, R. L. Parker found a piece of "heavy quartz" in a stream bed. lt proved to be topaz from a...medium-violet arnethyst crystal specimens from quartz veins. And textbook-sharp, colorless and transparent...minerals found in Texas. Top row (from left): Smoky quartz, 5.5 cm, from Llano County; Bill Morgenstern |  | | 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 |  | | Journal (issue) | | Proustite 107 Pyrargyrite 49, 117 Pyromorphite 65, 184 Quartz 45, 67, 73, 79, 85, 87, 121, 143, 169, 173, 183...(plate 31) "The Dragon" Gold from the Colorado Quartz mine, California (plate 41) The Ludlockite from...1980's my interest had shifted to minerals from Brazil, Pakistan and Afghanistan, and the array of great...(beautiful but common): Calcite Galena Microcline Quartz Smithsonite Fluorite Seventh Caste (unattractive...exquisite piece with two blue-cap crystals on a quartz crystal in the Canadian Museum of Nature in Ottawa |  | | Journal (issue) | | left) Elbaite, 4.5 cm, Sapo mine, Goiabeira, Minas Gerais, Brazil; Gus Eitler collection; Joe Budd photo....photo. (lower left) Amazonite microcline with smoky quartz, 8.5 cm, Tree Root pocket, Two Point claim,... Kunzite spodumene, 11 cm, Urucum mine, Minas Gerais, Brazil. Ex Steve SmaJe collection. Joe Budd photo...2009 7 RICHARDSON BEARD COLLECTION Pyrite on quartz, 11 cm, Spruce Ridge, King County, Washington....Bruce Oreck collection. Joe Budd photo. Pyrite on quartz and siderite, 8 cm, Simplon Tunnel, near Brig, |  | | Journal (issue) | | com Frontcover Smoky quartz with amazonite, 11.8 cm, from the "Smithsonian packet," Smoky Hawk claim, Florissant...most farnous collector species like amazonite, smoky quartz, rhodochrosite, fl uorite, gold and silver minerals...this cabinet by a characteristic sample of wbite quartz, interspersed with gold, but the owner of the mine...another in wbich the weight of gold was equal to the quartz. This shows how easy it is for a royal cabinet...three-fourths of an inch lang. Another wonder is a quartz crystal, tipped with sbining gold; and other mineral |  | | Journal (issue) | | Magdalensburg (Carinthia, Austria), where a series of quartz crystals were found at a settlement that can be...(Lombardy, northem Italy), a transparent and perfect quartz crystaldoubly terminated and about 2.5 cm in diameter-was...foothills of the Lombardy Alps (Pezzotta, 1999), where quartz occurs in a deposit very similar to that of the...the Sicilian sulfur deposits; so-called "fenster quartz" of Porretta Terme; gypsum and other minerals of...Valley and the Siusi Alp; druses of orthoclase and quartz with associated minerals from the pegmatite geodes |  | | 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) | | twins from Schlaggenwald in Bohemia, a large smoky quartz crystal from the Tyrolean Zillertal and a large...totally clear topaz crystal, grown on a group ofsmoky quartz and cleavelandite from Alabashka pegmatite field...totally clear topaz crystal is grown on a group of smoky quartz and cleavelandite, with original label. Photo:...Crystal size up to 9 mm. Mibladen, Morocco Photo 2. Quartz druza, 9 cm high. Pelengichei River, Nether Polar...Berezovskoe Deposit Urals, Russia Photo 9. Intergrowth of quartz crystals (up to 1.5 cm) on actinolite-byssolite |  | | Journal (issue) | | Virgem da Lapa, Ara~uaf Pegmatite District, . Minas Gerais, Brazil, Michael A. Menzies Signature Specimen:...Specimen: Elbaite from the Cruzeiro Pegmatite, Minas Gerais, Brazil: At the Natural History Museum of Los Angeles...mine, Virgem da Lapa, Ara<;uar district, Minas Gerais, Brazil; private collection, Jeff Scovil photo....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 |  | | Journal (issue) | | small black micro crystals of manganbabingtonite, quartz, calcite, datolite, and inesite (identity confirmed)...(8 cm) tall, and J5/g inches (4 cm) thick. The quartz from here can also be nice; I had one large clear...by a quantity of glistening '·Herkimer diamonds" quartz crystals, in which she specializes. Most of them...France. Also, he had small trays holding small clear quartz crystals, one tray with pale green inclusions of...have been seen to date. Associations include smoky quartz and feldspar. The locality, I believe, is a |  | | 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 |  | | Catalog/List | | Caroline Ervin 17509; David Boozer 17510; Marina Medina 17512; Holly Culbreath 17513; Gary Fournerat 17514...ânormalâ habit, often in conjunction with euhedral Quartz crystals. The potential for new discoveries and...sideways as well as up. This form is sometimes seen in Quartz, but very rarely in Tourmaline. The rough exterior...matrix and is accompanied by a partially euhedral Smoky Quartz crystal. The Phenakite, measuring 0.9 inches...sub-parallel prisms of a uniform pink with minor smoky coloration on exterior surfaces and terminations |  | | Journal (article/letter/editorial) | | Figure 7 (above). Gold, 7.6 Ă 4.4 cm, Colorado Quartz mine, Mother Lode Belt, Mariposa County, California...aquamarine, 22.9 Ă 3.8 cm, Medina, Jequitinhonha Valley, Minas Gerais, Brazil. Catalogue no. 87229. Figure...very good friend of mine! Figure 19. Rose quartz on smoky quartz (âLa Madona Rosaâ), 39 Ă 20 cm, Lavra Berilo...Berilo Branco, Sapucaia do Norte, GalilĂ©ia, Minas Gerais, Brazil. Catalogue no. 87153. One of the highlights...fabulous rose quartz, âLa Madona Rosaâ (fig. 19), from the pegmatites near Sapucaia do Norte, Brazil. It was |  | | Catalog/List | | Lewis 17881; Jennifer Jayne Marsh 17105; Marina Medina 17512; Bob Merrill 13408; Paul Minshull 16591;...In the early 1980s Rock began to concentrate on Brazil and Peru with occasional trips to Uruguay, Chile...RRUFF Project. Another was the 7,500+ quartz in Minas Gerais, Brazil: a micromount collection. And of course..............................................196 Brazil..................................................online, visit HA.com/5445 72018 Chrysocolla & Quartz var. âGemâ Chrysocolla Live Oak Pit, Inspiration |  | | 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...apatite in spinel and corundum, and biotite in quartz. Conclusion Although the inclusion in spinel focused...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 |  | | 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...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...the gemstone mines and marketing centers of Minas Gerais, I sought first to learn about recent discoveries |  | | Journal (issue) | | Vitdlos The minerals of Alum Cave Bluff, Great Smoky Mountains, T ennessee.............................very complex, much as it is on a Dauphine-twinned quartz crystal. As stated before, dodecahedra of sodalite...Similarly, while the two halves of Japan twins of quartz may have undistorted, hexagonal cross sections...Minerals McCullough Fossils Menezes, Luiz, Minerals - Brazil Midwest Minerals Mineral Exploration Services Mineral...S. JEM, Inc. Usman Imports Valadares Minerals - Brazil West Coast M ining Wolfe, Tom, Minerals Wright's |  | | Catalog/List | | Madrigale 18232; Jennifer Jayne Marsh 17105; Marina Medina 17512; Sarah Miller 18098; Rochelle Mortenson 17898;...âclassicâ Rhodochrosite with associated Pyrite and Quartz from the Sweet Home Mine in Colorado An unusually...Iron. When Gold occurs with a matrix rock like Quartz, a Specific Gravity test is often performed to...exquisite formations often atop matrix rock like Quartz. Gold nuggets are typically valued at some multiple...localities including: Alaska Canada Australia Nevada Brazil Romania California Venezuela This catalog proudly |  | | Catalog/List | | Kramer 17439; Jennifer Jayne Marsh 17105; Marina Medina 17512; Bob Merrill 13408; Paul Minshull 16591;...meteorites that contains a rare form of shocked Quartz called Stishovite. The irst remnants of Muonionalusta...due to its metallic luster and patches of drusy Quartz crystals. This medium-sized sphere has been carved...com/5386 72054 Blue Calcite Sphere Stone Source: Brazil This huge orb appears almost as a group of lufy...Source: Brazil This Rhodonite sphere has a rich dark red coloration as it was mined in Brazil. This type |  | | Book | | Natural, Cultured and Imitation Alexander E. Fam Quartz Michael O'Donoghue Also availablefrom Butterworth-Heinemann...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...assumed importance) in the trade of deposits in Brazil and the former USSR, particularly those of pink...for this research. Information on the Ouro Preto, Brazil, deposits would not have been as complete without |  | | Journal (issue) | | Ferruginha district, Conselheiro Pena, Minas Gerais, Brazil . . . . . . . . . . . . . ....Pena Minas Gerais, Brazil Luiz Menezes Rua Esmeralda, no. 534 Bairro Prado, Belo Horizonte Minas Gerais...Gerais, Brazil 30410-080 Email: lmenezesminerals@uol.com.br The Sapo mine exploits a thick sub-horizontal...discovered in 1985 and has produced large pockets of quartz crystals, several important pockets of tourmaline...found at Brazilâs Sapo mine, near Goiabera, in Minas Gerais. The specimens show green and yellow color-zoned |  | | Book | | Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic, plutonic and...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...Watson, Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized...major associations of Swiss hematite iron roses are quartz, ortboclase, albite, rutile, and zeolites (especially |  | | Book | | Staurolite 179 Steatite Pyrope WA Succinite Quartz 180 Sugilite Rhodizite 186 Rhodochrosite Rhodolite...owner's rank. Gems as Trademarks and Tokens Intaglio quartz scarab with the cartouche of the Egyptlan king...that separated materials Quartz crystals from Corinto, Minas Gerais, Brazil. Height: 15 cm. Sorbonne...diamond-bearing gravel in Minas Gerais, Brazil. Photo: tals of such minerals as quartz, fluorite, and calcite...phrase ââgem qualityâ to de- from Salinas, Minas Gerais, well as an ââornamental stone.â Amethyst |
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Medina, Minas Gerais, Brazil