 | | Journal (article/letter/editorial) | | CLASSIC PEGMATITE OCCURRENCES IN Delaware County, Pennsylvania JOSEPH J . PETERS Department of Mineral...collected from a few granite pegmatites in Delaware County, Pennsylvania, near Philadelphia (Figure 1). The quarries...specimens: Leiper's Upper and Lower Avondale quarries, Avondale; Leiper's quarry, Springfield Township; and...and Deshong's quarry, Ridley-Nether Providence townships (Figure 2). The fascinating history and mineralogy...for the manufac ture of snuff. Upper Avondale quarry (Figure 5), one mile south of Swarthmore where |  | | Journal (article/letter/editorial) | | New York, New York 10024 GARNETS from Delaware Coun Pennsylvania Figure 1: Spessartine (Sp Alm34Pyr )...muscovite, and gray quartz, from Sycamore Mill (Bishop's Mill), Delaware County, Pennsylvania. A M N H 10808...M E N S from pegmatites located in Delaware County, Pennsylvania. On the basis of microprobe analyses...analyses of two garnets from Springfield and one garnet from Leiperville, Peters (1984) recommended that "garnets..."garnets from Leiper's quarries at Springfield and Avondale that are not chemi cally analyzed be termed |  | | Journal (article/letter/editorial) | | COLLECTING THE MINERALS OF SOUTHERN PENNSYLVANIA By PAUL BROUGHTON American University, Washington 16...southern Pennsylvania was at the West Ridge Quarry at Blue Ridge Summit, Adams County. This quarry is of...quite shallow in the side of a mountain. At the quarry we were able to collect several specimens of malachite...milky quartz vein, which was uncovered near the entrance to the quarry. The bedrock of the quarry is a...a greenstone. The quarry is operated by the Rubberoid Corporation, Roofing Granule Division, Blue Ridge |  | | Journal (article/letter/editorial) | | large part of Philadelphia is covered with the Delaware River gravels and clays, but most of the streams...river this rock was largely quarried. The first quarry opened was irnmediately on the river bank. When...When the inclined plane was abandoned the Pennsylvania Railroad made a curved cut through these rocks extending...from about 30th Street to 34th Street, and a large quarry, or a series of quarries afterwards merged into...with that found on Ridley and Crum Creeks in Delaware County, contained segregated masses of coarse ort |  | | 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... Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville ; Philadelphia:...Philadelphia: Fairmount Park, Frankford, and Rit- enhouse quarry. SCOLECITE CaAl 2 Si3 Oi .3H 2 O MONOCLINIC |  | | Journal (article/letter/editorial) | | FROM W. Srnocr, AVONDA],E, PENNS}'I,VANIA DELAWARE COUNTY, Academy of Nafural, Sciences of philod,elphi...Creek one mile south of Swarthmore, Delaware County, pennsylvania.6 spar, muscovite, and occasionally...impurity were discarded; the main impurities being quartz, feldspar, and mica. These minerals occurred scattered...absent. AN.qr.vsrs or SPESsARTTTE Leiper's Quarry, Avondale, Delaware Co., Pa. Lester W. Strock, Analyst...Analyt. Chem.,l, 251, 1887. 5 Mineralogy of Pennsylvania, Samuel G. Gordon, 1922,page 197. 6 F. Bascom |  | | Report (issue) | | in regionally metasomatized areas. Association: Quartz, potassic feldspar, tourmaline, rhodonite, pyroxmangite...Islands, Greece. In the USA, in Leiper's quarry, Avondale, Delaware Co., Pennsylvania; the Rutherford mine |  | | Journal (article/letter/editorial) | | September 2017 East Mineralógica) Society of Pennsylvania October Field Trip. After a year of negotiation...run a society trip to the famous Leiper's quarry at Avondale, Delaware Co., Penn. Filling in the form below...said Company and The Mineralogical Society of Pennsylvania of and from all claims for damages of every...According to club geologist, Julie Reed, the Morrow quarry, presently in operation, is in granite gneiss,...autunite, uraninite, torbernite and gummite, in this quarry long known for the radioactive minerals it produced |  | | Journal (article/letter/editorial) | | I.; calcite from Meriden, Ct.; datolite from Springfield, Mass.; black tourmaline and cream-colord anthophyllite...mine. From Strickland's Quarry, Portland, Ct., terminated black tourmaline, quartz with albite inclusions...columbite cryrstal. Mr. Knabe reported a trip to Leiper's quarry and Lenni, finding hematite at the latter....recent crystallographic work, and presented a split quartz boulder with tourmalines on its surfaco to the |  | | Journal (article/letter/editorial) | | crystal forns. A renewal of activity in the basalt quarry of the Wilson Crushed Stone Cornpany, now operated...by Mr. C. Lewis, at North Plainfield, Somerset County, has recently supplied a large number of calcite...face only. In the basalt quarry at Mifington (Lyons Station), Somerset County, microscopic transparent...an investigation of the garnet of Avondaie (Leiper's Quarry). An analysis showed the latter to consist...a partially melted granite fusion began at the quartz-felspar contacts. It is suggested that the temperature |  | | Book | | in. ) high from Tourmaline Queen Mine, San Diego County, Pala, California. Back Cover: Azurite and Malachite... kunzite, spodumenc and citrine. Page 5: Left: Quartz (Variety Amethyst); Hopkinton, Rhode Island; Scepter...aquamarine, morgan ite, chrysoberyl, peridot, smoky quartz, citrine, calcite, rbodochrosite, and fluorite...latter; an example is he1natite on quartz. Hen1alite " with" quartz indicates adjacent crystals of the...the two species. Hematite "in" quartz signifies that the qt1artz encapsulates the hematite crystal or crystals |  | | Journal (article/letter/editorial) | | fairly nice specimens in an old road bed in Lee County, Alabama, about 10 miles north of Auburn, Ala....near the old HaleWalker Quarry —perhaps a third of a mile from the Strickland Quarry. Chalcopyrite is disseminated...malachite is usually present as an alteration. Quartz veins, traversing the Glastonbury gneiss, are liable...green coating on pegmatite, at the Hale-Walker Quarry itself, was seen a few years ago. It was probably...colors in any other feldspar from this region." DELAWARE—In a large excavation along the right hand side |  | | Journal (article/letter/editorial) | | spoke of the discovery of rhodochrosite in Park County, Colorado, and of the finding of the rare nickel...Cripple Creek' Mr' F' I' Allen spoke of the new quarry at Bedford as producing a yellow nineral which...OF AMEMCA 93 From ttre West Paterson quarry: calcite, quartz, pectolite, prehnite, chabazite, datolite...and thomsonite. From the prospect park quarry: calcite, quartz barite, prehnite, datolite, pectolite,...advantage. The limonite which frequently encrusts quartz may be removed by 1 :1 HCl, the addition of tartaric |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...4B^ Diamond M Tourmaline ^P Ruby. Sapphire O Quartz crystal ^J^ Garnet __ Azurite, Malachite, Chrysocolla...with respect to one another. gem minerals The quartz gems, such as amethyst, form crystal prisms with...another at 60 degrees and intersected by a fourth Quartz and vertical axis at right angles to the other...other, light) FELDSPAR TWINS I J PHENACITE QUARTZ CRYSTALS ffrl (^h /&> ^& \b^ ^ VESUVIANITE |  | | Journal (article/letter/editorial) | | difficulties in the processing of gem stones. Mr. Leiper's letter served to get my thoughts together on this...represented by such common lapidary raw materials as quartz, topaz, tourmaline, sodalite, etc. The common amorphous...fingers sense a rise in temperature. A piece of quartz heated gently over a flame transmits heat so quickly...than a few seconds. To show how the same piece of quartz can be converted into 628 a poor conductor by...glass dish which is made almost entirely of fused quartz. An article of pyrex can be held in the fingers |  | | Journal (article/letter/editorial) | | deposition from solutions after the formation of the quartz-porphyry. objections to both theories were presenteil...exhibits a specimen showing parallel crystals of rose quartz from Bedford, N. Y., was displayed by Mr. Weidhaas'...visits to the Chester Springs graphite mine, Leiper's quarry, and Mineral Hill. Seuun . NEWARK MINERALOGICAL... is less than l/2o0thot the efiect observed in quartz cut perpendicular to the electric axis. Mn. J. |  | | Book | | Red and gray sandstone shale, and limestone. PENNSYLVANIA 40 I 60 50 Ml I 80 KM 76° -, I II --...l0000unse THE GEOLOGY OF PENNSYLVANIA COMMONWEALTH OF PENNSYLVANIA Mark Schweiker, Governor DEPARTMENT...Geology Slippery Rock University Published by PENNSYLVANIA GEOLOGICAL SURVEY PITTSBURGH GEOLOGICAL SOCIETY...from Hyner View, Hyner Run Slate Park, Clinton County, showing accordant ridges in the Appalachian Plateaus...of the Ridge and Valley province in Huntingdon County. Flooded meanders of Raystown Lake on the Raystown |  | | Journal (issue) | | THE BAD LANDS ' BARITES , TIGER - EYE AND ROSE QUARTZ , GREATEST MINING SHAFT IN THE WORLD , TURQUOISE...four miles of the little town of Moab, in Grand county, near where the Grand River finds a tortuous way...seen the natural limestone bridge of Rockbridge county, Va., he will likely make comparisons that will...the first place, Southeastern Utah, where Grand county lies, has never been thoroughly explored ; then...GRANITE QUARRIES, WITH THAT KNOWN AS THE SWARTHMORE QUARRY. By Henry Clat Bordkn. [Read before the Students' |  | | Book (volume) | | Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill 0. Murphy...Geology, Missoula, MT; Carl Scott, Scott's Red Rose Quartz, Custer, SD; Sharon Skalko, The Amber Co., North... 15 Figure 6. Dallas Gem Mine in San Benito County, CA........................................... |  | | Book | | Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana...Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee...Size Categories Dana's Classification of Minerals Quartz Family Gemstones The Various Names and Forms of...ancient gems), calcite, fluorspar, jadeite, pyrite, quartz family minerals ( agate, carnelian, chalcedony...C. from mines in Kenya. This amorphous form of quartz, with its brilliant flickering of rainbow colors |  | | Book (edition) | | pure ore. Ore, 202. ; Oxyd, 73. XI Containing quartz Quartzose. a principal ingredient. Radiated, 53...Silicate, 74. Consisting of, taining silex, or quartz. Silky, 56. Siliceous. A Silurian. fossiliferous...(feldspar) will be easily distinguished from others (quartz) that have a glassy appearance. It is a popular...these gems of nature's workmanship. The mineral quartz sometimes occurs in crystals consisting of two...but opaque crystals occur a foot or more long. Quartz crystals attain at times extraordinary dimensions |  | | Book (edition) | | Oxydating flame, 68. XI Quartzose. Containing quartz as a principal ingredient. Radiated, 53. Rake-vein...Siliceous. Consisting of, or con- taining silex, or quartz. Silky, 56. A term applied to the fossiliferous...(feldspar) will be easily distinguished from others (quartz) that have a glassy appearance. It is a popular...these gems of nature's workmanship. The mineral quartz sometimes occurs in crystals consisting of two...but opaque crystals occur a foot or more long. Quartz crystals attain at times extraordinary dimensions |  | | Book (edition) | | pure ore. Ore, 202. ; Oxyd, 73. XI Containing quartz aa Quartzose. a principal ingredient. Radiated...Consisting Siliceous. of, or con- taining silex, or quartz. Silky, 56. A Silurian. term applied to the...(feldspar) will be easily distinguished from others (quartz) that have a glassy appearance. It is a popular...of these gems of nature's workmanship. mineral quartz sometimes occurs in crystals consisting of two...but opaque crystals occur a foot or more long. Quartz crystals attain at times extraordinary dimensions |  | | Book (edition) | | very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names...polished mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage...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...purine-porphyrine group). a nickel porphyrine. With quartz. rutile, piemontite, sursassite, ardennite, Triclinic |  | | Book (edition) | | oxygen. Oxydating flame, 68. Q.uartzose. Containing quartz as a principal ingredient. Radiated, 53. Rake-vein...Siliceous. Consisting of, or con• taining silex, or quartz. Silky, 56. Silurian. A term applied to the fossiliferous...(feldspar) will be easily distinguished from others ( quartz) that have a glassy appearance. It is a popular...these gems of 11ature's workmanship. The mineral quartz sometimes occurs in crystals consisting of two...but opaque crystals occur a foot or more long. Quartz crystals attain at times extraordinary dimensions |
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