 | | 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...tor Index, A-310, Registrar of Deeds, Delaware County, Pennsylvania). The Springfield quarry may have been...been de- Figure 1: Map of Pennsylvania showing location of Delnware County. The quarries are located...map of selected pegmatite quarries in Delaware County, Pennsylvania, adapted from Hall (1885). Deshong's |  | | Journal (article/letter/editorial) | | Natural History in Pittsburgh, Pennsylvania, has acquired the former Pennsylvania collection of the Academy...received all of the approximately five thousand Pennsylvania specimens. The new acquisitions improve the...the breadth and depth of Carnegie’s Pennsylvania holdings by filling in important localities that were not...Phoenixville district of Chester County, beautiful amethyst and smoky quartz, beryl, “garnet,” and schorl...schorl crystals from Delaware County, and magnetite and calcite from the mines of French Creek, also in Chester |  | | 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:...cut east of Reading (probably Birdsboro), Berks County. White, Smith, 1910, 540. silky mass of radiating |  | | 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...map of selected pegmatite quarries in Delaware County, Pennsylvania, adapted from U.S.G.S. Chester Quadrangle...Microprobe Analyses of Garnets from Delaware County, Pennsylvania (wt. %) MnO MgO FeO* CaO Na 0 Ti0 Cr |  | | Report (issue) | | PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES Bulletin M 18-C THE MINERALS of PENNSYLVANIA NON-METALLIC... CONTENTS Introduction Asbestos Barite Franklin County Fulton and Bucks Counties Corundum Page 1 1 5...Phosphate minerals Cumberland County Juniata County 18 23 25 25 26 Potash 29 Quartz-Mint 32 Rock salt ... 36 Crawford County Elk County 36 37 Erie and Forest Counties 38 McKean, Potter, Susquehanna and...inquiries about the occurrence of minerals in Pennsylvania that cannot be answered by referring the inquirer |  | | Book (volume) | | 375 9 f-2. 162 fiQl c, THE MINERALOGY OF PENNSYLVANIA PART TWO JOHN ETEKMAN < 1 > w Q O UJ 5...>CQ uf S B o i s UJ THE MINERALOGY OF PENNSYLVANIA PART TWO CHEMICAL ANALYSES JOHN EYERMAN EASTON... CONTRIBUTIONS TO THE MINERALOGY OF PENNSYLVANIA THE MINERALOGY OF PENNSYLVANIA: PART 1 490: 425: 426: A:...Easton; pink Lenni, Delaware county VIII crystals green crystals. Rocksville, Bucks county light green crystals...crystals. No. 1 shaft, St. Peter's, Chester county radiating, columnar crystals of light green to pink |  | | Journal (article/letter/editorial) | | Silica and Silicates ( 107 ) from the pegmatites at QUARTZ, silica, Si02, is an essential mineral in the granite...pegmatites. Massive, white, or smoky colored crystalline quartz often makes up the greater bulk of the mass of...are of pink or the rose quartz variety. Rock crystals, or the colorless quartz crystals, are often found...found as well as are smoky quartz crystals in the cavities of druses which occur in many pegmatites. Amethyst...Amethyst, the purple colored variety of crystalline quartz, usually is found in crystals in cavities or pockets |  | | Book (edition) | | gem stones mon dull are as hard or harder than quartz, a com- mineral everywhere present as dust which...Hardness Scale 6. Orthoclase 1. Talc 2. Gypsum 7. Quartz Topaz Corundum 10. Diamond 3. Colcite 8. 4...Your will scratch orthoclase feldspar but not quartz. In making hardness appears to be a scratch paper...the general arrange- ment of these surfaces. Quartz and amethyst, for example, are frequently crystallized...SPODUMENE DANBURITE DATOLITE GARNET FLUORITE QUARTZ CRYSTALS SPINEL STAUROLITE •^^ VESUVIANITE |  | | Journal (issue) | | p4,, Over two million residents Arizona's Pinal County welcomes everyone as a V.I.P.!!! ?ieU S ~ , ae...MINERALS MAY-JUNE 1978, Volume 53 Number 3 PENNSYLVANIA! EXECUTIVE EDITORS Rudy Bradbury John Hanahan...Hanahan Jr Richard S. Mitchell GUEST PENNSYLVANIA EDITOR Delbert L. Oswald FOUNDER Peter Zodac MANAGING EDITOR...Schmerling 94 Pennsylvania- A Geological Gem Beth Schooler 99 The Paleontology of Western Pennsylvania Richard...Chert in Western Pennsylvania Richard L. George 108 Rare Earth Minerals from Pennsylvania Ralph G. Wells |  | | Journal (article/letter/editorial) | | from Leiper’s quarry at Springfield, Delaware County, Pennsylvania (Peters 1984). When the spessartine...apatite, albite, muscovite, potassic feldspar, and quartz in the former, and bixbyite, topaz, sanidine, and...Middletown, Middlesex County, and massive spessartine and relatively small crystals in quartz matrix occur at...localities in Figure 2. A classic Avondale, Delaware County, Pennsylvania, spessartine specimen with a major 2...[OL *PU JPUUH[P4PULYHS:VJPL[` Delaware County, Pennsylvania. Detailed work by Lindsley and Peters |  | | Journal (issue) | | flattened fan shaped quartz epimorph after anhydrite, a large golden calcite and a quartz calcite stalactite...the top of a box was a matrix piece with drusy quartz. Closer inspection showed this to be a cluster...large but unfortunately damaged calcite, a Smokey quartz associated with talc and negotiated for the rest...descnbed calcite BradPlotkin. stalactites encrusted by quartz crystals from Prospect Park in his article '·Minerals...one-half-inch diameter stalactites attached to a cast of quartz after arthydrite. The second occurrence was that |  | | Book | | from Library Sen/ices as administered by the Pennsylvania Department of Education through the Office of...GEOLOGICAL SURVEY OF PENNSYLVANIA: REPORT OF PROGRESS c^ TTTE GEOLOGY PHILADELPHIA COUNTY AND OF THE SOUTHERN... 1881. Entered, for the Commonwealth of Pennsylvania, in the year 1880, according to acts of Congress...regions : 1881. address Pleasantville, Venango county, Pa. Sutton VVall, to report on the coal and...and Fulton counties address Uniontown, Fayette county. Pa. W. G. Platt, geologist for Centre and Clearfield |  | | Journal (article/letter/editorial) | | September 2017 Cover Photographs January-February: Quartz, Brumado, Bahia, Brazil; photo by Harold and Erica...Erica Van Pelt. March-April: Kunzite on quartz/cleavelfndite matrix, Nuristan, Lagham Prov ince, Afghanistan;...Wollastonite and Titanite Near Natural Bridge, Lewis County, New York, 78; 13th Rochester Academy of Science...Pegmatite Bodies in the Wausaw Pluton, Marathon County, Wisconsin, 188 Fascinating Story of Mount Mica's...Localities in the Beaver Creek Area of St. Lawrence County, New York, W. S. Condon, S. C. Chamberlain, 105 |  | | Journal (article/letter/editorial) | | at 14:35 04 June 2016 New York City, New York County, New York State T he minerals of the garnet group...of a garnet from Deshong’s quarry, Delaware County, Pennsylvania, that can barely be considered almandine...found at several mines near Topsham, Sagadahoc County, Maine, particularly the Standpipe Hill quarry...collected at Mount Apatite near Auburn, Androscoggin County; and the Bumpus quarry, ROCKS & MINERALS 244-253...the Melrose and nearby mines at Stoneham, Oxford County. Phenomenal trapezohedral almandine crystals exhibiting |  | | Report (issue) | | famous Little Three mine, Ramona district, San Diego County, California, the star of the show (to my taste)...the Little Three mine, Ramona district, San Diego County, California. Ex Bryant Harris collection. Dave...to small-cabinet specimens of, let’s see, smoky quartz, elbaite, morganite and aquamarine beryl, spessartine...the Little Three mine, Ramona district, San Diego County, California. Ex Bryant Harris collection. Dave...many fine pieces from the Pala district, San Diego County, especially from the Stewart mine. And from the |  | | Journal (article/letter/editorial) | | Middletown, Concord, Leiperville, and Newlin, Pennsylvania; Upper Merryall and Haddam, Connecticut; Russell...Colorado; some localities in Chester and Delaware counties, Pennsylvania ; in North Carolina, and elsewhere...Lode pegmatite near the Royal Gorge in Fremont County, Colorado. Common in the pegmatites of Yavapai...Organ Mountains, New Mexico; in Connecticut, and Pennsylvania; and especially in San Diego and Riverside Counties...Mountain in the Crested Butte region of Gunnison County, Colorado, in good gem crystals. ANDRADITE, calcium-iron |  | | Journal (article/letter/editorial) | | ....................... ................. 400 Delaware......................................................................... 424 Pennsylvania (including northern Delaware)................................the Society by the Second Geological Survey of Pennsylvania have been stored in the photograph gallery of...107). 95. Dark limestone, with schistosity and quartz, 1,896 miles above mouth of Gens de Larg river;...(No. 179). 126. On Tasnuna river. Quartz gash veining in blue quartz schist bedrock, >} mile above canyon |  | | Journal (issue) | | South Penn Rock Swap The Central Pennsylvania and the Franklin County Rock and Mineral Clubs will once...Nov. 3 - 4 from the symposium announcement The Pennsylvania Chapter of Friends of Mineralogy will hold its...first weekend in November. The location is the Delaware County Institute of Science in Media, PA, southwest...required for the field trip on Sunday, to a classic Pennsylvania collecting locality “guaranteed to surprise...sale. The attendees have broad knowledge of Pennsylvania minerals and collecting, and there’s always |  | | Journal (article/letter/editorial) | | Large Andalusite Crystals from Campbell County, Virginia: Their Alteration to Kyanite and Sillimanite...association with milky quartz veins at a previously unknown site in Campbell County, Virginia (Giannini...miles east of Lynch Sta tion in southern Campbell County, Virginia. The Univer sal Transverse Mercator...permission. 2 4 3 Andalusite Figure 1: Campbell County, Virginia. Area of deposit is marked. 446 ROCKS...andalusite crystals largely altered to kyanite. Milky quartz occurs between some of the crystals. Scale is 4 |  | | Journal (article/letter/editorial) | | Department of Geology Auburn Universit Rutile=Included Quartz Downloaded by [McGill University Library] at 05:41...issue’s Connoisseur’s Choice. The specimen, rutilated quartz from Waterbury, Vermont (see fig.), is interesting...in considerable demand by collectors. Rutilated quartz is also a popular gem material, having been utilized...spheres, and other ornamental devices. Rutilated quartz is known by a number of names that include sagenite...(love’s arrow), and Venus’ hair stone. The host quartz may be colorless, smoky, or amethystine and occurs |  | | Report (issue) | | Rocks Of the Piedmont Upland Maryland, Pennsylvania And Delaware By NANCY C. PEARRE and ALLEN V. HEYL,...districts ______ -._-_____-_____-___._. Montgomery County, Md_-_-_---_---_-_-----------_-__--_-_-_Soldiers...descriptions_______________________________________ Montgomery County, Md___-_______________________.__ Etchison mine_____-_-...Index map of the Piedmont Upland, Maryland, Pennsylvania, Page and Delaware__.____________________-____--_-_-_--709...concentrates from lode mines and placer deposits in Pennsylvania and Maryland before 1900-___-_-__.-______-- |  | | 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...Inyo County, California : Atn. M ineral., 21, 69-70 (1936). NOTES AND NEWS dorite, and quartz. The...occurrenceof thulite at Stone Mountain in De Kalb County, was reported informally by Dr. Alfred C. Hawkins |  | | Report (edition) | | SERIFS MINERAL COLLECTING PENNSYLVANIA COMMOWl FAITH OF PENNSYLVANIA PY G345/4.3 G33 1959 Snrrtary...Lapham, Davis M. Mineral Collecting in Pennsylvania c.l PENNSYLVANIA GEOLOGICAL SURVEY BULLETIN G 33 ... MINERAL COLLECTING IN PENNSYLVANIA by Davis M. Lapham and Alan R. Geyer JMluitrationi lu _JtU... Adams County 15 Allegheny County Armstrong County Berks County Blair County Carbon County Chester...Chester County Cumberland County Delaware County Fulton County Lancaster County Lebanon County Lehigh County |  | | Journal (issue) | | Trip Report 28-30 Fluorite (Dodecahedron) with Quartz, Erongo Mountains, Namibia, 2.5 x 2.6 x 2.4 cm...including one of my first trips to collect Herkimer quartz “diamonds” in Little Falls. I still have one of... including periodic visits to Elk Creek, Meade County, to collect superb transparent golden barite found...the Cascade Mountain range, including: pyrite, quartz, (Vesper Peak) grossular garnet, diopside, clinozoisite...CHAPTER: Bruce Kelley; bruce.kelley@gmail.com PENNSYLVANIA CHAPTER: Joe Marchesani; Jmarch06@comcast.net |  | | Journal (article/letter/editorial) | | Chester University, West Chester, Pennsylvania 19383, U.S.A. 2 Pennsylvania Geological Survey, 3240 Schoolhouse...Schoolhouse Road, Middletown, Pennsylvania 17057, U.S.A. Abstract The central Appalachian Piedmont lies in...tectonic boundary in southeastern Pennsylvania and northern Delaware separating the rifted Laurentian...(a) Geologic map of southeastern Pennsylvania and northern Delaware, modified after Blackmer (2005) and...setting The central Appalachian Piedmont in Pennsylvania is underlain by Mesoproterozoic gneiss and latest |
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Media, Upper Providence Township, Delaware County, Pennsylvania, USA