 | | 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 (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 |  | | 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...famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...Apatite 6. 7. 8. 9. 10. Feldspar Quartz Topaz Corundum Diamond (hardest) This is a very old scale and...the other hand corundum is a more general classification. Rubies and sapphire are corundum stones. Despite |  | | Journal (article/letter/editorial) | | the commercial mining of these, such as gold, corundum, mica, and monazite. There have been, however...following: Diamond Spodumene Hiddenite Kunzite Corundum Ruby Sapphire Oriental Emerald Oriental Amethyst...westernPiedmont section of the state, and in Franklin County on the eastern edge of the Piedmont. They have...localities. Three diamonds have been found in Burke County, two of which were from near the "Ford of Brindletown...diamond is now in the State Museum. The Cleveland County diamond was found in 1893 near Kings Mountain, |  | | 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) | | 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 |  | | 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 |  | | 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) | | 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...Clinozoisite, Serpentine, Copper Rhyolite, Red Corundum in Amphibolite, Pyrite, Calcite, Howlite, Ulexite |  | | 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 | | Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee...listed by county and community, range and distance. Whenever the collector crosses a county line, he will...of the county he is entering posted alongside the highway. By looking up the state and county, the user...guide can determine the collecting sites in that county by range and distance from the major cities and...information to reach a specific spot within a particular county. Many old localities listed here have, literally |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...as hard as talc and more than twice as hard as corundum. TABLE A. MOHS' HARDNESS SCALE Talc 6. Orthoclase...Quartz 3. Calcite 8. Topaz 4. Fluorite 9. Corundum 5. Apatite 1. 10. Diamond HOWTO IDENTIFY...six-sided prism with a pyramidal termination but corundum, in the same system, takes a barrel-like shape;...(Cross-section ot right) CHRYSOBERYL (sixling) CORUNDUM DIAMOND CRYSTALS FLUORITE VV LAZULITE PERIDOT |  | | Book (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...ACKNOWLEDGMENTS 1-X I I PRINCIPAL GEMSTONES Diamond, Corundum, Beryl, Topaz, Opal. II 68 IMPORT ANT GEMSTONES...Gibson's Ruby mine, Cowee Creek, North Carolina 6. Corundum Hill, North Carolina 7. Eldorado Bar, Montana 8....of tourmaline crystal forms 38. Map of San Diego County, California gem sources 3 9. Stewart Lithia· and...View of Clear Creek, San Benito County, California 55. Monterey County jade-producing shoreline, California |  | | 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) |  | | Journal (issue) | | headed northward towards the gold mine in York County. It was a most enjoyable trip, the mine was reached...98004. Oct. 2, 1965—1st Rock Swap of the West chester Mineral & Gem Society will be held at McDowell...Rd., Ardsley, N.Y. Chairman—Gene Jacob, 10 Beacon Hill Rd., Ardsley, N. Y. Oct. 2. 3. 1965—Topeka Gem &...Monroe, Peru, Indiana. April 30, May 1. 1966—Dallas County Rock Club will hold its Rock Club Showcase at rhe...Federation of Mineralogical Societies. Host: Clark County Gem Collectors, Las Vegas Convention Center, Las |  | | Book (volume) | | 232 233 238 238 242 245 247 255 260 VOLUME II Corundum . Ruby Sapphire . Other varieties Spinel. Chrysoberyl... Amethyst ..... Citrine ..... Rose-quartz .... Prase .... Sapphire-quartz Quartz with enclosures . ...PLATE I. Fig. 4a. (Following p. 376.) DIAMOND, CORUNDUM, SPINEL, AND ZIRCON. Fig 1. V ,, ?! 3. ...254 VOLUME II Fig. 53. Crystalline forms of corundum (a—d, ruby ; e—l, sapphire) „ 54. 55. . ....523 .... 523 94. Antique cameo.523 ‘ . CORUNDUM. Some of the most beautiful and valuable of precious |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...may be able to buy specimens. map of Keweenaw County. Mich- Part of the U.S. Geological Survey topographic...OF ROCK COLLECTING Suppose you are climbing a hill top of which at the only to avoid making ers...pegmatite (g) Mount Antero, 12.000 (h) Chaffee County, Colorado (i) from the Smith collection feet |  | | 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 |  | | Book | | SUPERSTITIONS EEGARDING GEMS BIRTH-STONES DIAMOND 50 CORUNDUM SPINEL 34 37 54 57 - 61 66 - 88 - - 95... A CONCENTRATION OF GEM MINERALS UPON A BEACH CORUNDUM MINE, NORTH CAROLINA CRYSTAL AXES CUBE, OCTAHEDRON...Sapphire, Opal, Topaz, Turquois. DIAMOND AND CORUNDUM - - 66 in matrix, Brazil; Diamond in matrix...Fire Opal in matrix, Mexico; Wood Opal, Idaho; Prase Opal, Germany. TURQUOIS (New Mexico) Indian Amulet;...under as, for example, ruby and sapphire under corundum; emerald and aquamarine under beryl, etc. It is |  | | Journal (issue) | | been found at the Copperopolis and at the Eureka Hill . At the latter mine there are also found very good...collectors , attested by the Judge and the Clerk of the County Court , and other reputable citizens , was collected...have been found in those mountains . At the Corundum Hill over one hundred beautiful sapphires have been...and upward . In the same State , in Alexandria county , beautiful speci mens of the emerald have been...specimen of crystallized molybdenite from 28th and Pennsylvania Avenue , also chlorite , pyrite and crystallized |  | | Journal (issue) | | DECEMBER, 1965 CONTENTS HISTORY OF ANDOVER - SULPHUR HILL IRON MINES, N. J. - Parc 2 — D. R. Swayze ........Tucson Gem and Mineral Society will be held at Pima County Fairgrounds, 4700 S. 6th Ave., Tucson, Ariz. Gc-n...844, Jackson, Miss. 39205. March 4-6, 1966—Gila County Gem & Min eral Show, Miami, Ariz. Chairman: Ernest...San Antonio Rock & Lapi dary Society and Bexar County Mineral Hobby Club. Chairman: Fred Stevenson, P...ROCKS AND MINERALS April 30, May 1, 1966—Dallas County Rock Club will hold its Rock Club Showcase at the | | | Book | | topographic map of the Delaware q uadrangle o f Keweenaw County, Michigan This ,s an example o f the more picturesque...OF ROCK COLLECTING Suppose you are climb ing a hill at the top of wh ich is a mineral deposit. If you'...(quarry, mine , canyon) district where found (township, county, state) how obtained (found , given , etc...in pegmatite Mount Antero , 12,000 feet Chaffee County . Colorado from the Smith co llection 1/10/74 ...Holbrook ; University of Arizona. Tucson . California· County Museum. University of California and University |  | | Book | | Felix, Alabama, meteoric stone The Fisher, Polk County, Minnesota, meteoric stone The Gopalpur, India...Africa Trenches in diamond-bearing peridotite, Pike County, Arkansas Uncut diamonds, Arkansas Glacial map...Palmadulla, Ceylon Sapphire mining, Judith Basin County, Montana Beryl and emerald crystals Beads of citrine...the Inhabitants dwelling within a Towne in the County of Barkshire The name of the Towne is Hatford,...of the Ayre^ about a place called The White Horse Hill, than in any other. . . . . . . . . . |  | | Book (edition) | | LIC MINERALS Copyright, 1925, 1951, by the McGra>v-Hill Book Company, Inc. Printed in the United States...Wliiting. Chromite. Clays and Clay Products. .. Corundum and Kinery. Cryolite. .. .. Diatomite or Diatomaceous...5. Apatite 6. Feldspar 7. Quartz 8. Topaz 9. Corundum 10. Diamond See also Appendix, Scale of Hardne...pertinent to this use will be fCorundum and Emery, Diamond, Diatoinaceous Earth, Feldsjmr...forms a very small industry at Brandon in Suffolk County. Grindstones and Pulpstones. The production of |
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