 | | 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) | | 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...Beryl, Cyanite, Epidote 47 Gems, Greenockite, Tourmaline 48 49 50 Uranium-bearing minerals Mineral resources |  | | 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) | | 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) | | Apatite . 6. 7. 8. 9. 10. Orthoclase Quartz Topaz Corundum Diamond The numbers preceding each mineral indicate...rated as 10, is many times harder than corundum, rated as 9. Corundum is placed next to diamond only because...all red stones: spinel, ruby, garnet, and rose tourmaline; the term "sapphire," to lapis lazuli and other...all other green stones (Smith, 1949, p. 175). Corundum was referred to as "oriental" because the first...beauty of irregularly colored stones, such as tourmaline. UNIT OF WEIGHT The carat, meaning one-fifth |  | | Journal (article/letter/editorial) | | pohwatp@si.edu Muscovite Shannon Canyon, Inyo County, California R ocks are made up of minerals. Some...the littleknown locality of Shannon Canyon, Inyo County, California. The specimen is 3 × 4 cm and was collected...from the Strickland quarry, Portland, Middlesex County, Connecticut. This is typical of the specimens...Santo Niño mine, Patagonia district, Santa Cruz County, Arizona. Barbara Muntyan specimen, Jeff Scovil...localities are the pegmatites around Newry in Oxford County. Newry muscovite crystals in the collection exhibit |  | | 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 |  | | Journal (article/letter/editorial) | | correct spelling. East Mineralogical Society of Pennsylvania Lapidary Meeting The pouring rain and howling...following Pennsylvania localities: GROSSULARITE: Berks County: Fritz Island, Dauphin County: Hummelstown...Hummelstown. Delaware County: Leipers Quarry, Lehigh County; Limeport. Philadelphia County: Cobbs Creek Valley...Bucks County: Eden, Finney's Quarry, Hulmville, Mt. Misery, Newportville and Trevose. Chester County: Avondatel...Avondatel, Corundum Hill (Newlin), Craig's Farm (Pennsbury) Goshenville, Johnson and Patterson's Quarry |  | | Report (issue) | | [4.61] Total 100.07 [100.00] (1) Unionville, Pennsylvania, USA; corresponds to (Ca 0: 75 Na0:21 K0:02...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 |  | | Journal (article/letter/editorial) | | their products. This service is free. As the Pennsylvania Dutch would say it, "1954 iss abot all". Merry...no law against moving parts of New England to Pennsylvania. Dr. Arthur Hopkins and Frank Hankins are trying...the President of The Mineralogical Society of Pennsylvania, Dr. Arthur Hopkins, for her superb collection...some years ago at the old Brinton Quarry in Chester County, Pa., a Dana locality now prety well caput...All three minerals have been found in Chester and/or Delaware County, Pa. While on the subject, hitting |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |  | | 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 |  | | Report (volume) | | value. Some minerals, such as the copper ores of Pennsylvania, are included in the list not because they occur...North Carolina.. .Dr. Joseph Hyde Pratt, Chapel Hill. North Dakota... .Dr. A. G. Leonard, Grand Forks...Oregon............Prof. A. J. Collier, Eugene. Pennsylvania.... .Mr. R. R. Hice, Beaver. Prof. Florence...Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found in...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | | Book (edition) | | ONYX • PERIDOT* • ZIRCON • CARNELIAN TOURMALINE OPALS • AOATI • • AMETHYST URINE • •...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... lOLITE k:^ RUBY /^^ RUTILE SAPPHIRE 1^ TOURMALINE CRYSTALS TOPAZ CRYSTALS 4 GEM hunter's GUIDE...right) CHRYSOBERYL EPIDOTE PERIDOT SPHALERITE CORUNDUM FELDSPAR ^ PHENACITE SPODUMENE DANBURITE |  | | Report (volume) | | .....................^. .........'....' 58 Tourmaline.........-...-..---..----.----.---------.-------...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 (volume) | | ........................................... Pennsylvania...............................................value. Some minerals, such as the copper ores of Pennsylvania, are included in the list not because they occur...and Ehrenfeld, Frederick, Minerals of Pennsylvania: Pennsylvania Top. and Geol. Survey Comm. Kept. No...Albany. North Carolina_.Dr. Joseph Hyde Pratt, Chapel Hill. North Dakota_.Dr. A. G. Leonard, Grand Forks. Mr...Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found in |  | | 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...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 |  | | Journal (article/letter/editorial) | | (manganoan) varieties are found at the Harding mine, Taos County, New Mexico (Jahns and Ewing 1977). Fuchsite is...topaz, scheelite, tourmaline, and fluorite. A classic association from El Paso County, Colorado, is well-crystallized...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 |  | | 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...IMPORTANT GEMSTONES The Feldspar Group, Spodumene, Tourmaline, Sodalite and Cancrinite, Olivine, Turquois, |  | | Book | | as mica, apatite, sphene, zircon, fluroite and corundum are associated with light-colored igneous rocks...combine to form Minerals - " Rubies and Sapphires (Corundum) which combine with Biotite Mica to form R°ck...such minerals as quartz, feldspar, mica, garnet, tourmaline, magnetite, zircon, gold, platinum, topaz, beryl...famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...possibility. such other minerals as hematite, garnet, tourmaline, gold, etc. Inclusions in diamonds, emeralds |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such... *' ^ *D * D } '<&*=> 4B^ Diamond M Tourmaline ^P Ruby. Sapphire O Quartz crystal ^J^ Garnet...TOPAZ CRYSTALS TOURMALINE CRYSTALS (Cro»$-$«ction ot righl) ^ \b7 CHRYSOBERYL CORUNDUM DIAMOND CRYSTALS...of feldspar that make parallel to is and tourmaline, and the pearly cleavage unmistakable. Kunzite...aquamarine, topaz, tourmaline, cyanite, or apatite. Conversely, such a chameleon as tourmaline may be found |  | | 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 |
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