 | | Book | | BARTORELLI ::• . . .. 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) | | reports whicl sometimes contain photos, maps and mine diagrams. This i: valuable information to have preserved...occur together and at one locality only —in a coal mine tunnel in Nesquehoning. Lansfordite was found some...some years ago by a college student (one of a group who had made Lansford its headquarters). When it was...magnetite mine near Peekskill, which is known as the Hopper mine, Travis Corners mine, Edison mine, Nelson...Nelson mine and Canopus mine. When this mine appears in print, its five names should be given. Another source |  | | Journal (issue) | | ..157 by C. Albertini Sellaite from the Brumado mine ..................................................frontiers for the formation of a mineraloriented group. It encompasses many interesting but relatively...expanding vista. On arrival at the American Nettie mine the superintendent, Mr. Kunz, permitted us to visit...into the valley, whence a road led to the Bachelor mine in Red Canon. Two members of the party, who were...porter of the hills.” When we reached the Bachelor mine the noon-day meal was ready, so we accepted the |  | | Book | | describing some of its chemical properties. Within each group the minerals are listed accord¬ ing to CIM; and...Keweenaw area of north Michigan; at the Copper Queen mine, Bisbee, Arizona and at Georgetown, New Mexico....deposits occur at the Klondike, Yukon Territory, in Nova Scotia and Ontario. Treatment. Gold is dissolved...mines being in the Madras area; in Brazil, from Diamantina, Minas Gerais; from South Africa in a number of...areas including Kimberley, Pretoria (the Premier mine is in this area), and Jagersfontein in the Orange |  | | | | surrounded ce ne white calcite, from!iheBluebell Mine; Riondel, Digitized by the Internet Archive...groups: Minerals that have oxygen tightly bonded in a group around a central non-metallic ion. Oxides or carbonate...feldspar, nepheline, zeolite, sodalite, bonded in a group around a central silicon atom. kyanite, topaz, titanite...titanite, zircon, amphibole, pyroxene, chlorite, talc, clay, chrysotile, chrysocolla, quartz, lazurite...planes. For example there is one plane in mica, chlorite, topaz; there are two planes in amphibole and |  | | Book | | Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous...ilmenite crystals as described here for the Dodo mine. In general, ilmenite crystals from the Subpolar | | | | | amianthus, blue 100 -amianthus, Cape 100 amphibole group 98 annabergite 73 arduinite 119, /2/ argentite...dialogite 42, 42 diamond 5, 6 galena 12, /3 garnet group 76 garnierite 107 gaylussite SO gehlenite 85 gismondine...97, 98 fayalite 75 feldspars 111 feldspathoid group 108 ferrierite 122 ferrimolybdite 63 fluoborite...119 metacinnabarite 13 meyerhofferite 54 mica group 104 mica, white 104 microcline 112, //3 millerite...102, /03 pyroxene group 96 pyrrhotite 12, /2 siberite 96 siderite 42 silica group 31 silicates 75 sillimanite |  | | 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...Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed...to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other |  | | Book | | Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes from...110 mm (47.6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets...of crystallized gold occurred in the Jamestow n mine. California, USA, where a cavity, which yielded |  | | Book | | Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates...many localities in California, USA (Colorado Quartz mine, Nigger Hill and others). Fine leaf gold comes from...mm (4 5/i6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets |  | | Book | | museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...rocks contain large crystals, often of the feldspar group and are known as porphyries. The individual crystals...other books that a serious attempt to describe and group minerals could be seen to be in progress. His De...pairs. Water is often present and in the zeolite group it can escape when the minerals are mined since...Diopside and jadeite are members of the pyroxene group; asbestos reflects the often fibrous form of the |  | | Journal (issue) | | Nineteen, Number Three Articles The Tonopah-Belmont mine, Maricopa County, A rizona by G. B. Allen & W. Hunt...........221 COVER: ANGLESITE from the Touissit mine, Morocco. The large crystal measures 4.5 cm. This...Chichibu mine” (by Kuniaki Kato and Hidemichi Hori), “ Collecting report: Hikagezawa gold mine, Shizuoka...Avenue Sun City, Arizona 85351 he Tonopah-Belmont mine is a micromounter’s paradise. An un common suite...sulfates, molybdates and chromates can be found at the mine. The abundance of species makes it an ideal introduction |  | | Book | | In the shafts and tunnels of a sixteenth-century mine INTRODUCTION arabic^groffcvinditaris.f} norrafludd9...of this here. Next we must consider a peculiar group of Magnesium (Mg) has two more electrons than elements...appropriate and, indeed, these are linked with an (Si04) group in the mineral forsterite. The chemical short¬ hand...valencies and a bracket around the dis¬ tinctive (Si04) group would result in forsterite symbolized thus: (Mg2)4...ion O2- is divalent, the (P04)3- group is trivalent; the (Si04)4~ group in merwinite is tetravalent because | | | Book | | of this here. Next we must consider a peculiar group of elements known as the imert gases. The first...appropriate and, indeed, these are linked with an (SiO4) group in the mineral forsterite. The chemical shorthand...about valencies tinctive (SiO4) and a bracket group would around the dis- result in forsterite ...because the phosphorus ion P°* the (PO,)3~ group the oxygen group in merwinite SOLUTION ion O*~ Notice...take the pure magnesium and iron members of the group of minerals known as olivines. These are called |  | | Book | | are: the tungsten ores of China; the quartz of Brazil; the diamonds of Africa; the gold of the Transvaal;...natural quartz, most of which is imported from Brazil. Synthetic minerals at times cost more than natural...GROUPS. The unique arrangement of atoms in such a group provides a characteristic mineral structure. A few...of giant crystals reported are: 200-ton crystal; Brazil. Crystal 19 feet long and 5 feet in diameter; Black...000; Brazil. BERYI..: SPODUMENE: Crystal over 40 feet long; weight estimated at 90 tons; Etta Mine, Black |  | | Book (edition) | | deals with the descriptive mineralogy of a selected group of species representing those most likely to be...one species only, or even specimens only from one mine. Whatever limits the collector imposes on himself...educated collector and connoisseur. In the latter group may be, for example, alexandrite twins from the...packing prevails in the metals of the platinum group. A few semi-metals, so named because they have some...structures. Soro is derived from the Greek word for “group.” Pairs of tetrahedra are linked by one oxygen ion | | | Book (edition) | | vvith the descriptive mineralogy of a selected group of species representing those most likely to be...one species only, or even specimens only from one mine. Whatever limits the collector imposes on himself...educated collector and connoisseur. In the latter group may be, for example, alexandrite twins from the...packing prevails in the metals of the platinum group. A fe,.v semi-metals1 so named because they have...uctures. Soro is derived from the Greek word for "group." Pairs of tetrahedra are li nked by one oxygen |  | | Journal (issue) | | 602-299-5274 Articles The Jacupiranga mine, Sao Paula, Brazil .........................................coated with malachite, 5 cm across, from the Onganja mine, Namibia. Collection of the Sorbonne, University...the back is a 15-page compilation of minerals by group. This is the most recent edition (1983) containing...known Brazilian mineral collector, gem dealer and mine owner. $24.00 postpaid, (foreign orders 50C additional...Record, September-October, 1984 THE JACUPIRANGA MINE S a o T a u lo , T 3 r a z il Luiz Alberto Dias |  | | Book (edition) | | text most used by an increasingly large and active group of gemstone collectors who are fascinated by the... CRYSTAL STRUCTURES AND PROPERTIES types. A group of atoms held together by bonds in such a way form...sodium may amounts! In such cases it member of a group of about eight minerals with essentially the same...important groups of gem found on page 241. The group concept of relating similar gem species has been... it of mineral species to the discovered in Brazil. Usually, however, a recognized only with great |  | | Book (edition) | | extensively rewritten by the book’s distinguished group of authors in the light of new research and important...Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary |  | | Journal (issue) | | the first book on the subject: Early Underground Mine Lamps', it became the “bible” of lamp collecting...of learning and research on all types of antique mine lamps. He was truly a pioneer in his field. 0 The...(Franke, 1930; Hinthome, 1974), and the La Madrelena mine, Baja Califor nia, Mexico (Hinthome, 1974). The...deposit, Fresno County, and at the La Madrelena mine, Baja California, Mexico. At all the known localities...obtained from the type locality, the Noda-Tamagawa mine, Iwate Prefecture, Japan, de scribed by Yoshii |  | | Book (edition) | | Vesuvius, Italy (12, column 2) and SEMSEYITE, Julcani mine, Huancavelica, Peru (#3, column 2). Color, page...column 1) and TENNANTITE, Dresser quarry, Walton, Nova Scotia, Canada (13, column 2). .. ' FOREWORD...attempt a complete description of a small mineral group to uncover the unsatisfactory state of our present...well render the volume difficult to use by a large group of potential readers not familiar with structural/chemical...with the inherent problems of end-member names vs. group names and related aspects of nomenclature. Rather | | | Book (edition) | | extensively rewritten by the book's distinguished group of authors in the light of new research and important...Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...Tsurneb, Namibia, (lower, right) gold, Amazonas, Brazil All specimens from the collection of Eugene and...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary |  | | Journal (issue) | | ... 566 ST. BARBARA AND THE MINERS-A MEMOIR OF BRAZIL. By Margaret D. Be11s11san ......................writer took advantage of collecting at the numerous mine dumps in the vicinity of Champion. It is hoped that...Michi1a11 The Beacon Mine, operated by the North Range Mining Company, is the only active mine in the Champion...numerous aumps and ruins in th e vicinity of the Beacon Mine, however, attest to the former activity in the area...of Champion, Michigan (Figure 1. ) ~ The Beacon Mine and its accompanying dumps are located in an area |  | | Book (edition) | | terms (see also explanations chapter): - Strunz Group (Strunz (2001; version 9); this provides the mineralogical...optical characteristics or shapes. - The Point Group illustrates how symmetrical a particular mineral...minerals which appear within a particular Strunz sub-group (listed here) or in mineral assemblages of a closely...fast overview and reflect the abbreviated Strunz group. • Where necessary, abbreviations for important...scheme reflects compositional systematics; the main group is colour-coded on the top right page of the descriptions; |
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