 | | Report (issue) | | DESCRIPTIVE MINERALOGY OF PENNSYLVANIA 104 Na 2Al 2 Si3 Oi .2H 2 O; SiO 2 47.4, A1 2 O 3 26.8, Na...Na 2 O 16.3, Lenni, Delaware County. Crystals. Eyerman, 1911, 11. Composition: Analysis: Fe 2 O3 CaO...Sp.gr LOCALITIES: Berks County: Birdsboro, and Gickerville; Delaware County: Leiperville, Lenni (druses...colorless crystals), Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville...cut east of Reading (probably Birdsboro), Berks County. White, Smith, 1910, 540. silky mass of radiating |  | | Report (issue) | | Serpentine Rocks Of the Piedmont Upland Maryland, Pennsylvania And Delaware By NANCY C. PEARRE and ALLEN V...talc, asbestos, magnesite, sodium-rich feldspar, corundum, and serpentine UNITED STATES GOVERNMENT PRINTING...districts ______ -._-_____-_____-___._. Montgomery County, Md_-_-_---_---_-_-----------_-__--_-_-_Soldiers...----.._-_-_-------_-----_-----------_----West Chester district...-_._.. --__- .. .._.__ Philadelphia.....____.___._... Cedar Hill (Geiger) quarries._--_.-_-----__.____ West Chester district...___.____-________ |  | | Report (volume) | | GEOLOGICAL SURVEY - CHARLES D. WALCOTT, DIRECTOR CORUNDUM ITS OCCURRENCE AND DISTRIBUTION IN THE UNITED...__..-.._.__.--...- -18 Physical properties of corundum ......................................... 1.5...composition of corundum ........................................ Determination of percentage of corundum in an...---..-.-..-..-...-,.-..--..-.....Sapphire or gem corundum ........_...'.................--..-.-. .........--.-.... Corundum......-....-.-.......--.......-......--......--........_... Block corundum......... |  | | Report (volume) | | DIRECTOR THE OCCUIIRENCE AND DISTRIBUTION CORUNDUM IN THE UNITED STATES BY JOSEPI-I HYDE PR.ATT...Modes of occurrence of corundum ...... ................,_................ Corundum in peridotites...._ ...... Corundum in biotite, contact on saxonite .............................. U 1.1 19 Corundum in enstatite.....1. 20 Corundum in serpentine . _.........._....__...........__....-_..--.._.. Corundum in chlorite-schist.... 20 21 Corundum in amphibolite ................................. ........ 21 Corundum (emery) in |  | | Report (volume) | | https://archive.org/details/corundumperidoti01prat CORUNDUM AND THE PERIDOTITES OF WESTERN NORTH CAROLINA...SURVEY J. A. HOLMES, STATE GEOLOGIST VOLUME I CORUNDUM AND THE PERIDOTITES OF WESTERN NORTH CAROLINA...GEOLOGIST J. A. Holmes Chapel Hill. LETTER OF TRANSMITTAL Chapel Hill, N. C., April 1, 1905. To His...Carolina Geological Survey, a description of the Corundum and the Peridotite Deposits of Western North Carolina...I.—The corundum belt of North Carolina. General geology of the State. Geology of the corundum belt. Rocks |  | | Report (volume) | | ............'--.-.................. 79 80 Clinochlore....-........-..--------.----.--.-.-.-.....-....From the Silver King mine, Calico, San Bernardino County, Cal. Specific gravity, 6:28. Analysis by W. H...From .Teocalli Mountain, Brush Creek, Gunnison County, Colo. Specific gravity, 7.400 at 14.5°, corrected...vol. 3, pt. 1, p. 46. From the Rose mine, Grant County, N". Mex. Specific gravity, 6.644 at 20°. Probably...impurities. From the Missouri mine, Halls Valley, Park County, Colo. Analyses, by Hillebrand, of three different |  | | Report (issue) | | In addition, chlorite from Australia and a clinochlore from Tanganyika have been found to possess excellent...typically found in association with sucl1 minerals as corundum, apatite (particularly fluor-apatite), asbestos...considerations. Larsen, for example, from a study of corundum and albitite bodies in such widely separated areas...On the other hand, the vermiculite in tl1e Corundum Hill mine is reliably reported to persist at least...11·25 11·36 11·0 (1) Jefferisite, West Chester, Pennsylvania. G.J. Brush, Amer.J.Sci., 1861, 31. 369 |  | | Book | | Jersey: L a k e Hopatcong, Greenwood L a k e Pennsylvania: S c h u y l k i l l R i v e r Vi r g i n i...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and...visited the well known old Rutherford mine in Amelia County, Virginia, and found bright spessartine garnets...Excited collectors took home from old quarries in Pennsylvania and Maryland, pieces of apple green precious...green gem spodumene, was discovered in Alexander County, North Carolina, in 1880 and named for one of its |  | | Book (volume) | | chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford...cuts, cut banks, breaks, draws and washes, gullies, hill slopes, etc.chalcedony roses, Celestite crystals |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Report (issue) | | Prochlorite. . . . Clinochlore .... Klementite .... 0 5 4 4 3 2 2 1 1 4 Clinochlore .... 18 Leuchtenbergi...leuchtenbergite, Sheridanite, diabantite, and clinochlore appear in 2 areas, A-20 SHORTER CONTRIBUTIONS...25 and Si 2.763.10 (see fig. 9) is called the clinochlore area, as about half the chlorites falling in...by Dana (1892) under clinochlore and penninite fall in these respective clinochlore and penninite areas...remaining area in figure 9, which contains only Clinochlore, (Ali.3B-.7oFe.oo-.so Fe*0o-.so Mg3.es-5.io) |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (edition) | | expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage. The collected data on optics...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...Rare-with scorodite in U-bearing lignite in the Caves Hill and Slim Buttes areas, both Harding Co .. South |  | | Journal (issue) | | single township and a county, or a village and a state have the same...city 1s not 1n the county of the same name nor even in the state. For example, Chester and Delaware are...counties in Pennsylvania noted for minerals. Chester is also a large city in Delaware County. We have frequently...minerals recorded from Chester, Penn. Was the locality the city of Chester or Chescer County ? Worse still, we...Lancaster County, Penn. Another instance are the frequent references to chondrodite and clinochlore as coming |  | | Book (volume) | | 1. Muscovite (clear flawless crystal), Methuen Township, Ontario (Hurlbut, 1956). Anal. F. A. Gonyer....conglomerate in staurolite zone of metamorphism, Acworth Township, New Hampshire (Clifford, 1957). Anal. J. Ito...components). 10. Mariposite, Ross Mine, Hislop township, Ontario (Moore, 1936). Anal. Moorehouse. 2-R...zone, Lake Hammersley, Clove quadrangle, Dutchess County, New York (Barth, 1936). Anal. T. F. W. Barth (Recalculated...represented by the curve (Fig. 7) above which sanidine, corundum and water vapour are the stable phases. 2M, 1M |  | | Report (volume) | | ...................... 1. Rocks from Aroostook County..... ^..................'........... 2. Miscellaneous.............................................. Pennsylvania...... .^......................................1. Elliott County dike............................................... 2. Crittenden County dike............................................. 3. Colfax County................ I................................142 3. Plumas County............................................... 144 4. Butte County.............. |  | | Report (issue) | | Olary, southern Australia. Sass (1965). Broken Hill, N.S.W., Australia. Moral and Slmmons (1969). Feldspar... 32 32 50 50 Sample from E.C. Robertson. Corundum Hill, N.C. 15.2 13.2 II 1 Hortonolite dunite (Mg...Stone). 170 25 Prochlorite Mg^FejAUSiOnfOH).. Clinochlore Mg$ Al 2Si,0 le (OH).. White X-ray. Clark (1966...100 25 100 2.58 2.58 Southbury, Conn. Wards. Chester, Vt. Dark green, massive; X-ray; 15$ magnetite...diameter. <5> Impurities. 5. 22 5. 22 33 26 693 Corundum A1 2 0,. Birch (1951, p. 10), Harvard Min. Museum |  | | Book | | Buffalo, New York 14205 66 Leek Crescent Richmond Hill, Ontario L4B 1H1 Design and Layout: Joseph Gisini/PageWave...be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 om MINERALS: PRODUCTS OF A CHANGING...zeolites. Calcite (septarian nodule), San Juan County, Utah, USA * 18 x 24x Bem 14 | MINERALS: PRODUCTS...sapphires and rubies are actually the same mineral, corundum. The difference between the two is at the atomic...9 Microcline Corundum encke Madagascar e(2x23x3em Quartz, Mount Ida, Arkansas, USA ° 14x 15 x 10 cm |  | | Book (volume) | | Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill O. Murphy...sne-aseseeateeCounty, Can tess ccraccacaerscsascn enaeantsrse Figure |  | | Book | | commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...cities, and many of today’s prosperous western county seats began as mining-boom camps. trating sand...you such as those listed alphabetically by county, township, and range in Part II of this book. Where... that he may know first of all what mountain or hill, what valley or plain, can be prospected most profitably...Adapted from Frederic H, Lahee, Field Geology, McGraw-Hill Book Company, 1952). * fifth ed. (New York: |  | | Book (volume) | | Plains state varies from nearly level farmland to hill ridges, increasing steadily in elev. From 1,000’...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles |  | | Book (edition) | | Diffracrio11 File, 1601 Park Lane. Swarthmore, Pennsylvania, USA. Introduction This volume is the third edition...Green River Formation in (TL) Uintah Co .. Utah. USA. Named for P.H. Abelson. 20.7.3 AbernalhJile. K(U00As0...26 A. Z=4 [PDF 1 6-386]. (TL) Temple Mts. Utah. USA. Named for J . Abernathy. Abhurite. S n 30(0HhCl... 4 Aca Acanthicone. syn . of epi.dote. A.H. Chester ( 1896) Diet. Names Mi11 .. p. t . Acanthite. Ag2...A.H. Chester ( 1 896) Diet. Names Min., p. I . Acanticonite. variant of acanticone. A.H. Chester ( 1 896) |  | | Book (volume) | | read 99.72. 345 23, down for Goat Hill read Great Hill. 80 read 81 3313 Colusite,for Cu3(Sn,Te...in the third StiUweU, Crystal Chemistry, McGraw-Hill Book Co., New York, 1938. R. C. Introduction to...V . {hnkJn), then from equation 5 . — X2) — hill hhix'i = hih x'o . = — x' h [7] , jp'o...variations. In some special instances (as in quartz and corundum), however, long usage has established varietal...of chemical elements used as varietal 2' A. H. Chester, A Dictionary of the Names of Minerals including |
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