 | | 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) | | BULLETIN No. 2 A Preliminary Report on the Corundum DEPOSITS OF GEORGIA BY FRANCIS P. KING Assistant...Geologist BULLETIN No, 2 A PRELIMINARY REPORT Corundum Deposits or GEORGIA FRANCIS P. KINO Assistant...OF CORUNDUM 9 9 Early History History of Corundum in the Eastern Hemisphere History of Corundum in...Nomenclature of Corundum CHAPTER VARIETIES OF . . . . 11 . 13 21 II. CORUNDUM 23 23 Introductory...Remarks Sapphire Corundum Emery Physical Properties Artificial Production of Corundum CHAPTER 24 26 |  | | Report (issue) | | PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES Bulletin M 18-C THE MINERALS of PENNSYLVANIA NON-METALLIC...Introduction Asbestos Barite Franklin County Fulton and Bucks Counties Corundum Page 1 1 5 5 8 10 Feldspar...Magnesite Phosphate minerals Cumberland County Juniata County 18 23 25 25 26 Potash 29 Quartz-Mint...Quartz-Mint 32 Rock salt 36 Crawford County Elk County 36 37 Erie and Forest Counties 38 McKean, Potter...inquiries about the occurrence of minerals in Pennsylvania that cannot be answered by referring the inquirer |  | | Journal (article/letter/editorial) | | Albany, New York 12230 sccham2@yahoo.com A Gem Diaspore Occurrence near Pinarcik, Mugla, Turkey Figure...The red square indicates the location of the gem diaspore occurrence near Pinarcik on the southwest Aegean...the region of the Menderes Massif where the gem diaspore occurrence is located in southwestern Turkey....marbles at Campolongo, Switzerland, displayable diaspore specimens have been few and far between. Collectors...prismatic crystals from Corundum Hill, Newlin Township, Chester County, Pennsylvania, or the lavender tabular |  | | 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 (issue) | | Diaspore AlO(OH) c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Orthorhombic. Point Group:...X-ray Powder Pattern: Springfield, Massachusetts, USA. 3.99 (100), 2.317 (56), 2.131 (52), 2.077 (49),...mineral in some alkalic pegmatites. Association: Corundum, magnetite, margarite, chloritoid, spinel, chlorite...Africa. In the USA, at Chester, Hampden Co., Massachusetts; on Corundum Hill, Newlin, Chester Co., Pennsylvania;...(4) Hill, R.J. (1979) Crystal structure refinement and electron density distribution in diaspore. Phys |  | | 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 (issue) | | [4.61] Total 100.07 [100.00] (1) Unionville, Pennsylvania, USA; corresponds to (Ca 0: 75 Na0:21 K0:02...and glaucophane-bearing rocks. Association: Corundum, diaspore, tourmaline, staurolite, glaucophane, chlorite...(Sverdlovsk), Ural Mountains, Russia. In the USA, from Chester, Hampden Co., Massachusetts; Cruger's Point...Franklin and Sterling Hill, Ogdensburg, Sussex Co., New Jersey; on Corundum Hill, Chester Co., and Village...Village Green, Delaware Co., Pennsylvania; at Bull Mountain, Patrick Co., Virginia. In California, from Meadow |  | | 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) | | ---.-. -....--...-.....---...----.---....-.... Diaspore. ............................... ..---..---.....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 |  | | Journal (article/letter/editorial) | | (manganoan) varieties are found at the Harding mine, Taos County, New Mexico (Jahns and Ewing 1977). Fuchsite is...and fluorite. A classic association from El Paso County, Colorado, is well-crystallized zinnwaldite with...the 50:50 composition. The Morefield mine, Amelia County, Virginia, has produced many excellent large crystals...blue calcite from the Crestmore quarry, Riverside County, California, are typical of the species; a recent...Diego County, California. Figure 9. Dark zinnwaldite crystal in albite, Rockport, Essex County, Massachusetts |  | | Report (volume) | | of 76° 30', from Tompkins County, New York, to Bradford County, Pennsylvania, by Henry S. "Williams. 1884...cents. 16. On the Higher Devonian Faunas of Ontario County, New York, by John M. Clarke. 1885. 8°. 86 pp....57 pi. Price 25 cents. 38. Peridotite of Elliott County, Kentucky, by J. S. Diller. 1887. 8°. 31 pp. 1...Knowledge of the Geology of Texas, by Robert T. HilL 1887. 8°. 94 pp. Price 10 cents. 46. Nature and...5 cents. 58. The Glacial Boundary in Western Pennsylvania, Ohio, Kentucky, Indiana, and Illinois, by George |  | | Book (volume) | | chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, 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 qualityagatized 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) | | references, among them may be mentioned: Vermont, Pennsylvania, North Carolina, Oregon, Kansas, Alabama, Ohio...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...Optical Effects. PRINCIPAL GEMSTONES Diamond, Corundum (Ruby and Sapphire), Beryl, Topaz, Opal. IMPORTANT...Amblygonite, Brazilianite, Lazulite, Cassiterite, Diaspore, Enstatite, Hypersthene, Zircon, Algodonite and |  | | 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 (edition) | | Orthoclase 1. Talc 2. Gypsum 7. Quartz Topaz Corundum 10. Diamond 3. Colcite 8. 4. Fluorite 9. ...actually 42.4 times harder than talc hard as corundum. field rests, the following information is...right) CHRYSOBERYL EPIDOTE PERIDOT SPHALERITE CORUNDUM FELDSPAR ^ PHENACITE SPODUMENE DANBURITE...elements such as diamond (carbon), oxides such as corundum (aluminum oxide), carbonates such as malachite...with tiny golden flakes of mica, and quartzites. Corundum, — — spinel and garnet are associated with |  | | Journal (article/letter/editorial) | | and RUBIES in sit5 with CO~UNDUH,at the CULSXGE~CORUNDUM-~IIN]~,~_KCONCOUNTY,NORTH CAaoLr~X. By Colonel...mineralogieally considered, merely coloured crystals of corundum, which mineral species has been shown by chemical...waterworn pebbles ; and although the existence of corundum in small quantities in granular limestone in Asia...numerous fragments of corundum on the surface and in the river-beds of Macon County, North Carolina, which...deposits of corundum now known as the Culsagee Corundum Mine. The locality of this mine is a hill, situated |  | | 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 |  | | 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 (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 |  | | 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.............. |  | | 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 |
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