 | | Book | | the purpose of the writer to call attention to MAGNESITE, one of the many economic minerals of California...adhering to the rocks over which he passed." Magnesite takes its name from magnesia, and the words magnet...shows that the glass-makers tried to imitate rock-crystal by adding that mineral to their mixtures,-led...steatite were common in Los Angeles and Santa Barbara Counties and on the Channel islands. History of...DOLOMITE, EPSOMITE, HORNBLENDE, HYDROMAGNESITE, MAGNESITE, Meerschaum, SERPENTINE, STEATITE, TALC, Wagnerite |  | | Journal (article/letter/editorial) | | crystals of aragonite to 4 mm encrusting a galena crystal is in the Smithsonian collection. Massive banded...and Wheal Cock, St. Just district, as well as Wheal Edward, Callington district. The aragonite from these...all in Guadalajara (Jiménez 2010). Azure-colored crystal groups to 15 cm across have come from Eugui, Navarra...Natur in Salzburg, Austria. This example, from Erzberg, near Eisenerz, Styria, Austria, measures 49 × 39...11.5 cm high, from Erzberg, near Eisenerz, Styria, Austria. The specimen is in a private collection, Mark |  | | Book (edition) | | formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest X-ray powder...and opaque minerals. More attention is paid to crystal habit or aggregate development and their sizes...species must contain chemical formula, structure (crystal system, space group, and unit cell dimensions)...units (A), expressed differently according to the crystal system: only a for the cubic system, a,c for the...specifying the orientation of the crystal faces in relation to the crystal axes, a set of three or four numbers |  | | Journal (article/letter/editorial) | | from the text by simply using the code of each deposit in the chart. This code can be created by combining...commodity section corresponds to the common host rock lithologies (magmatic, sedimentary, and metamorphic)...research and training in geosciences. Metamorphic host rock lithologies and commodities are addressed by different... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and... . . . . . . . . 11.3. Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . | | | Journal (article/letter/editorial) | | from the text by simply using the code of each deposit in the chart. This code can be created by combining...commodity section corresponds to the common host rock lithologies (magmatic, sedimentary, and metamorphic)...research and training in geosciences. Metamorphic host rock lithologies and commodities are addressed by different... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and... . . . . . . . . 11.3. Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . |  | | Book | | rush, nevertheles. some nonmetallics came tro. deposit. comparable in value to the richer metal de- posits...metallurgical industries (e.g· beryl as a source of BeO, magnesite of MgO, and bauxite or Al-laterite as a source...also employed, for example, for asbestos, talc, magnesite and similar raw materials· Some raw materials...spaced pipes (Mitchell, Crocket, 1971). Diamond is a rock-forming accessory mineral of kimberlite (content...differentiation of ultrabasic magma· An olivine-bearing rock (dunite or peridotite) can also be brought up as |  | | Journal (issue) | | Arthur Roe Famous Mineral Localities: The Brumado District, Bahia, Brazil..................................M in e ra lo g ic a l R ec o rd is pu b lished b im o n thly by th e M in era lo g ic al R eco rd , Inc...San Jose, CA) Forrest Cureton II (Stockton, CA) Rock Currier (Jewel Tunnel Imports; Arca dia, CA) Wayne...Thomas Gressman (Delafield, WI) David R. Hahn (Crystal Habit; Portland, ME) Hamel Mining and Minerals...(Minerals America; Or lando, FL) Tony Jones (California Rock and Mineral; Temple City, CA) Dick Jones (Casa Grande |  | | Journal (volume) | | Geologist C. A. Logan, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...J. C. District Mining Engineer District Mining Engineer Mining Engineer O'Brien, District Mining...Mining Engineer George John District Sampson, Assistant Chas. V. Averill, Mining Engineer L. Gary,...Mines, by Walter W. Bradley SAN FRANCISCO FIELD DISTRICT Mines and mineral resources of 7 11 Santa...San Francisco Field District, by C. McK. Laizure 53 LOS ANGELES FIELD DISTRICT 58 Current notes on |  | | Report (issue) | | ROBERT WALLACE WEBB University of CcdifomicL Santa Barbara With sections by Ian Campbell and Eleanor M. Learned...from references to the geographic term ''Mining District," especially in the pre-1920 literature. Widespread...Douglas Woodhouse, University of California, Santa Barbara; and the many individuals who generously wrote...Department of Geology, University of California, Santa Barbara, offered expert stenographic and technical 1966]...and 1950-1964, University of California, Santa Barbara. The results of these studies, although published |  | | Report (issue) | | ROBERT W. WEBB University of California, Santa Barbara College Goleta, California Price $3.00 LIBRARY...W. Webb of the University of California, Santa Barbara College, as part of a continuing- cooperative laroject...description includes the chemical composition, crystal form and habit if distinctive, cleavage, hardness...Douglas Woodhouse, University of California, Santa Barbara; and individuals who generously wrote comments...Angeles, California University of California, Santa Barbara College Goleta, California June 15, 1955 INTRODUCTION |  | | Book | | cleavage fracture morphology luminescence remark crystal crystals In the figure captions, always mentioned...particular minerals, acsthctic criteria such as size of crystal and color played a role in addition to their importance...chemical data, including chemical formula and crystal system. The data provided correspond mainly to...industrially important. Also common in Shunga deposit in Karelia, Russia; in Cesky Krumlov, Netolice...the silver-bearing veins, cross-cutting the U deposit Hajc near Paibram, Czech Republic, where prismatic |  | | Book (edition) | | the production of industrial minerals may differ in im- portant respects from those found in metal or coal...Minerals. By Russett W. Mumrorp .............. Magnesite and Related Minerals. By Raymonp E. Brrcu and... Nitrates and Nitrogenous Compounds. Phosphate Rock. By Cuester A. FULTON Rorasi By -HOWARD NL ORTH...BURGESS) aie hor, ener 756 reels ae Quartz Crystal) By ROBERT B.. NI@CORMIGE ge15 cet Refractories...mineral hardness of pure crystal almandite garnet is about 7.5 but if the crystal is crossed by incipient |  | | Journal (issue) | | i11 the 111i11eralogical business . . . AMIRHAN �IM AND MIN�RA1 � U f � 1 HR� A���� IAT I� N . . . and...program prepared and sponsored by the Four Corners Rock Club of Duran go, Colo. The weekly programs are...since that time has covered such sub jects as "Rock Hunting in the Rockies," Eddie Neuenschwander; "A...minerals. With all this activity the Four Corners Rock Club also participated in the Span ish Trail Fiesta...featuring a cut-away mountain won honorable men tion. A Rock and Hobby Show was also spon sored by the club |  | | Book | | cleavage fracture 1norphology luminescence remark crystal crystals Jn the figure captions. the bigger dimension...particular ninerals, aesthetic criteria such as size of crystal 1.nd color played a role in addition to their mportance...che1nical data, including chemical formula md crystal system. The data provided correspond nainly to...industrially important. Also common in Shunga deposit in Karelia, Russia; in Cesky Krumlov, Netolice...the silver-bearing veins, cross-cutting the U deposit Haje near P0ibram, Czech Republic, where prismatic |  | | Book | | vugs of crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Shelley Lambert extracted excellent loose ilmenite crystal clusters from a calcite vein-dike digging site...Chamberlain, 1982; Joyce, 2006a). Some of the ilmenite crystal faces are partly overgrown by a brown coating which...and is by far the largest known single ilmenite crystal from any locality worldwide. The crystals are blue-black |  | | Book | | and Dolomite; Ill. THE INDUSTRIAL Phosphate Rock; 156 Gypsum; Salt MINERALS 7. Igneous Minerals...Replacement Minerals Quartz Crystal; 229 Fluorspar; Barite; Magnesite v 269 vi CONTENTS 9. Metamorphic...given to the uses of limestone, dolomite, phosphate rock, gypsum, and salt. Part III of Bates includes chapters...Minerals” such as quartz, fluorspar, barite, and magnesite; “Sedimentary EDITOR’S INTRODUCTION ix Minerals...industrial diamonds, chiefly from the Bakwanga district of the Belgian Congo, where the placer operations |  | | Journal (volume) | | Chief Geologist Logan, District Mining Engineer W. Burling Tucker, District Mining Engineer Reid J....Assistant District Mining Engineer Chas. V. Averill, District Mining Engineer J. C. O'Brien, District Mining...Concrete Aggregate, by S. G. Dolman 131 Marketing Magnesite and Allied Products, by Charles L. Harness and...and, since July 1922, District Mining Engineer for the San Francisco District, died suddenly at his Alameda...Chapter. Life is a mill and men the ore Roughest of rock may hold in store The silver of love and gold of |  | | Journal (article/letter/editorial) | | desired. Please send them in. Abbreviations: xl—crystal xled—crystallized fl—-fluoresces ALABAMA—The...Murfreesboro, Pike Co., Ark. This is in the cinnabar district of Howard, Pike, and Clark Counties, Ark. This...suggestions?" A nice six-inch doubly terminated rock crystal, and a beautiful rutilated quartz cabochon (colorless...xls of rutile) have been donated by the Ken Dor Rock Roost (The McClures), 419 Sutter Ave., Modesto,...picked up on land lots, 199 and 200, 10th Land District, six miles northeast of Greenville (Meriwether | | | Book | | (Continued) 156 Limestone and Dolomite; Phosphate Rock; Gypsum; Salt Ill. THE INDUSTRIAL MINERALS 7....and Replacement Minerals Quartz Crystal; Fluorspar; Barite; Magnesite Vv 1341714 269 V1 CONTENTS...given to the uses of limestone, dolomite, phosphate rock, gypsum, and salt. Part HI of Bates includes chapters...Minerals” such as quartz, fluorspar, barite, and magnesite; “Sedimentary EDITORS INTRODUCTION ix Minerals...industrial diamonds, chiefly from the Bakwanga district of the Belgian Congo, where the placer operations |  | | Book | | EDITING Courtesy of Ian McReath Spine photograph: Crystal of multicolored tourmaline (84 x 26 mm), Lavra...Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite (25 mm), muscovite and feldspar...302 Calcite and its ex-u-:iordinary vJ.riety of crystal h:ibits 311 Siderite 313 The discovery of mar,nesite...Lavra da Pederneira 526 District of Santa Rosa, Francisc6f olis 534 District o Golconda, Governador Valadares...539 District of Coronel Murra, Rubelita, Salinas, Virgem da Lapa, Ara(uaf and ltinga 554 District o Conselheiro |  | | Journal (issue) | | peaks indicate that the impurities are in the crystal structure. The chemical analyses for the orange...four channels may radiate from an unidentified crystal (Figure 2). © Gemmological Association and Gem...the last phase all was covered by colourless rock crystal so this quartz-tourmaline stone is a sort of...nephrite jade production in the Jordanow Slaski district appears to have commenced in Neolithic times....NASLAW ICE ~ .~ a 1km L--J SCALE Nephrite Jade Deposit JORDAN6 w SLASK I • D ALL UVI UM .. GRAN ITE |  | | Book | | project, and who also prepared the majority of the crystal drawings for publication. H. Earl Pemberton Lake...mol Molecular. norite A coarse-grained plutonic rock containing labradorite as a chief component and...phenocrysts Relativlely large , conspicuous crystals in rock with a finer groundmass. pillow basalt Pillow-shaped...mineral A mineral formed at the same time as the rock enclosing it; see secondary mineral. pseudomorph...secondary mineral A mineral farmed, later than the rock enclosing it; see primary mineral. skam Tactite |  | | Journal (issue) | | A. Volzhankin 0 Text (origi nal), sketches, crystal drawings belong to authors, 2022. Text (translated)...6.5 x 5 cm. Indicolite Mine, Shabry talc-magnesite deposit, Central Urals, Russia. Specimen: Dmitry V...GorbunoYskoe quartz occurrence, Gornouralsk Urban District, Central Urals, Russia. Specimen: Igor V. Peko...Exhibition" Report 70 (Q) (;;60u@!Mlfl0u@!100 (s@IM) GORBUNOVSKOE QUARTZ OCCURRENCE, CENTRAL URALS...Specimens: Gorbunovskoe occurrence, Gomouralsk Urban District, Central Urals, Russia. 2. Quany of the Gorbunovskoe | | | Book | | support for also prepared the majority of the crystal drawings for publication. H. Earl Pemberton ... Molecular. A norite coarse-grained plutonic rock containing labradorite as a chief component and... is Relativlely large, conspicuous crystals in rock with a finer ground- phenocrysts mass. Pillow-shaped...packing. mineral formed at the same time as the rock enclosing it; secondary mineral. A pseudomorph...zoisite or epidote. mineral formed later than the rock enclosing it; see pri- mary mineral, skam Tactite |  | | Book (edition) | | well as 104 black-and-white photographs 45 new crystal drawings of rare species the most complete now...all entries include the mineral’s formula, its crystal system, locality, and physical property data, as...sizes: ‘‘xl’’ refers to the size of the largest crystal, ‘“‘sph’’ refers to the diameter of the largest...undergraduate student with a source for mineral formulas, crystal systems, and locality data. It will also provide...propertie an accuuntil least at or known is structure crystal Chemical Formula: Until the more present may formula |
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Magnesite deposit, Sattlerkogel, Veitsch, Sankt Barbara im Mürztal, Bruck-Mürzzuschlag District, Styria, Austria