 | | 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...inquiries about the occurrence of minerals in Pennsylvania that cannot be answered by referring the inquirer |  | | 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 (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 (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) | | 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) | | Mineralogical Society of Pennsylvania The Mineralogical Society of Pennsylvania held its organization meeting...will discuss corundum, an oxide of the abundant of all metals— aluminum. Corundum Corundum, number 9 on...harder than any other mineral except diamond. Corundum occurs as compact, granular, or platy masses,...especially when large. The two' main varieties of corundum are ordinary and gem, with emery often referred...mineral variety, but rather a granular mixture of corundum and other minerals, chiefly magnetite. Emery, |  | | 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 (issue) | | 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;...Zeits. Deutsch Gem. Gess., 28, 69 (in German). (4) Hill, R.J. (1979) Crystal structure refinement and electron |  | | Report (issue) | | [4.61] Total 100.07 [100.00] (1) Unionville, Pennsylvania, USA; corresponds to (Ca 0: 75 Na0:21 K0:02...schists, and glaucophane-bearing rocks. Association: Corundum, diaspore, tourmaline, staurolite, glaucophane...(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) | | prismatic crystals from Corundum Hill, Newlin Township, Chester County, Pennsylvania, or the lavender tabular...tabular crystals from the emery mines near Chester, Hampden County, Massachusetts. Diaspore is most commonly...mineralization below 960°F in fractures and pegmatites (Hill 1979; Keller 1978; Klug and Farkas 1981; Loffler...(Little Pine Grove Hill) (fig. 3) and one nearby on Buyuk Camlik Tepe (Big Pine Grove Hill) (fig. 6). History...recent, and many Figure 3. The Little Pine Grove Hill pit. This photograph shows the older workings 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 other green stones (Smith, 1949, p. 175). Corundum was referred to as "oriental" because the first...pale-green beryl to blue, violet corundum to rose pink, and yellow corundum to colorless. Dyeing is another...as synthetic alexandrite is actually synthetic corundum. A stone of simple chemical composition generally |  | | Journal (article/letter/editorial) | | be the favorite district for investment I ' corundum at Mramorsk, in the Ural regions, where it occurs...the working of the rich telluride belt of Boulder county, cial value. aUll some improved method of working...his the inuustrial applications of emery and corundum has at- The ticket was one of that class which...interest. All, or nearly all, the deposits of corundum of any magnitude found in the world occur in the...of the conductor when required, etc. found at Chester, Mass., where, in a vein four feet in thick- - |  | | 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 |  | | Journal (article/letter/editorial) | | Rare Earth Minerals from Pennsylvania by RALPH G. W E L L S Colt Industries/Crucible Inc. Materials...Materials Research Center P. O. Box 88 Pittsburgh, Pennsylvania 15230 INTRODUCTION erals in which rare earth...species found in each county. Below, each of the 13 mineral species found in Pennsylvania is discus sed in...gave 11 locations, all in extreme southeastern Pennsylvania. In 1976, Geyer reported an occurrence in a...near Allentown in Lehigh County. Heinrich mentions an occurrence in Chester County. Another occurrence of |  | | 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 (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 | | 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 |  | | Journal (article/letter/editorial) | | each of California, Nevada, North Carolina, Pennsylvania, and Washington' The determined indices of refraction...south end, on the east side of Saline Valley, Inyo County'2 A thin section of a specimen,kindly furnished...375(1941). Connecticut At Haddam, in Middlesex County, on the top of Walkley llill' across the Connecticut...Murdoch, Joseph, and Webb, R. W., Bustamite from Inyo County, California : Atn. M ineral., 21, 69-70 (1936)...occurrenceof thulite at Stone Mountain in De Kalb County, was reported informally by Dr. Alfred C. Hawkins |  | | Journal (article/letter/editorial) | | for investment I J titnfifit �tutritan. ' corundum at Mramorsk, in the Ural regions, where it occurs...the working of the rich telluride belt of Boulder county, cial value. aUll some improved method of working...muzzle·loaders the inuustrial applications of emery and corundum has attractcd such general attention that the...interest. All, or nearly all, the deposits of corundum of any magni- provision that in consideration...of the conductor when required, etc. found at Chester, Mass., where, in a vein four feet in thick- - |  | | Journal (article/letter/editorial) | | recollections. Frank Atkins covered beryl from "Collins Hill, Connecticut; Herkimer "Diamonds," a fine pyritohedron...Society, is affiliated with both the University of Pennsylvania and the Academy of Natural Science of Philadelphia...he had recently mined on his property in Morgan County. He had with him a particularly attractive specimen...Dry Lagoon and Big Lagoon in northern Humboldt County, Calif., according to Field Trip Chairman Paul...Stanley Ryba's unusually fine collection of Pennsylvania Fern fossils ; cabochons and jewelry, including |  | | 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 |  | | 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 |
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Corundum Hill, Unionville, Newlin Township, Chester County, Pennsylvania, USA