 | | Journal (article/letter/editorial) | | CONNECTICUT Mineral Locality Index Although many sites in Connecticut are no longer open to collectors...H. WEBER 1172 West L a k e Avenue Guilford, Connecticut 06437-1342 E A R L E C. SULLIVAN 17 R o c k y...y R i d g e D r i v e T r u m b u l l , Connecticut 06611-5326 T his locality index is meant to serve...collectors. More often than not, collecting in Connecticut is no longer per mitted. Many of the localities...effort has been made to list a l l localities in Connecticut, a small state that is big on mineralization |  | | Journal (article/letter/editorial) | | University of the District of Columbia 4200 Connecticut Avenue, N.W. Washington, D.C. 20008 INTRODUCTION...unfinished flood-control project is underway. Arlington County has preserved this small sec tion of the watershed...minor amounts of chalcopyrite, galena, pyrrhotite, schorl (black tourmaline), actinolite, and sphalerite... STOP 6: MAFIC AND SIALIC IGNEOUS INTRUSIONS (Stafford Quadrangle) Aquia Creek splits two distinct rock...O U S A Q U I A C R E E K S A N D S T O N E {Stafford Quadrangle) Aquia Creek sandstone was a popular |  | Grew, E. S., Graetsch, H. A., Poter, B., Yates, M. G., Buick, I., Bernhardt, H.-J., Schreyer, W., Werding, G., Carson, C. J., Clarke, G. L. (2008) Boralsilite, Al16B6Si2O37, and "boron-mullite:" Compositional variations and associated phases in experiment and nature. American Mineralogist, 93 (2) 283-299 doi:10.2138/am.2008.2571 | Journal (article/letter/editorial) | | analogue of werdingite in B-rich metapelites at Mount Stafford, central Australia; its composition extends from...mullite solid solution (Gielisse & Foster) Mt. Stafford "boron-mullite" synthetic Al borates boundary...taken from Figure 7. Solid solution in the Mount Stafford “boron-mullite” is based on the least-squares...as a breakdown product of werdingite at Mount Stafford, central Australia (Buick et al. 2006). Following...Fe-dominant in the B-rich metapelites from Mount Stafford and in the pegmatite from Almgjotheii. Analytical |  | | Journal (article/letter/editorial) | | favorite collecting spots. (Sgd.) Vernon Wertz. CONNECTICUT Mrs. Peg Marble, President of the Worcester...Tourmaline Lo cality. The results: Black Tourmaline (schorl), feldspar crystals and garnets. ROCKS AND MINERALS...the Gen, Lapidary and Gem Society of Mont gomery County, Rockville The art ist, whose signature does not...the Geological History of Maryland The Frederick County Gem and Mineral Club, Freder ick, held a panel...TENNESSEE The Chattanooga Geology Club and the Cobb County Gem and Mineral Club (Georgia), made a joint field |  | Bačík, P., Ozdín, D., Miglierini, M., Kardošová, P., Pentrák, M., Haloda, J. (2011) Crystallochemical effects of heat treatment on Fe-dominant tourmalines from Dolní Bory (Czech Republic) and Vlachovo (Slovakia) Physics and Chemistry of Minerals, 38 (8) 599-611 doi:10.1007/s00269-011-0432-5 | Journal (article/letter/editorial) | | tourmaline from Dolnı́ Bory is alkali-depleted schorl to foitite. Although the black colour remained...with lattice dimensions in the transition from schorl and foitite dimensions to those consistent with...Libearing tourmaline. However, black tourmaline such as schorl and foitite can also undergo colour change, and...alkali-depleted schorl to foitite from pegmatite in Dolnı́ Bory, Czech Republic and schorl from hydrothermal...from Dolnı́ Bory has a composition of intermediate schorl to foitite, and its X site is 47–51% vacant (Table |  | | Journal (article/letter/editorial) | | internal structure and minor tourmaline (Al-rich schorl) with accessory fluorapatite and allanite (Novák...ilmenite, titanite, and black tourmaline (dravite to schorl) along with a wide spectrum of accessory minerals...tourmaline composition (Ca, Ti-rich Al-poor dravite–schorl; Škoda et al. 2006; Novák et al. 2011). The δ11B...and abundance of oxy-tourmaline components. Oxy-schorl is a typical tourmaline of various peraluminous...Olenite Oxy-dravite Magnesio-foitite Oxy-schorl Foitite Schorl Buergerite Ca Na + K Al50Mg50 Al50Fe(tot)50 |  | | Journal (issue) | | striated horizontally. 6 "Drusy" Quartz, Missouri, USA Denise Bicknell Collection THE BACKBENDER'S GAZETTE...Herkimer and Montgomery Counties area of New York, USA. Austria, Switzerland, and Germany have produced...are common from alpine San Bernardino County, California, USA Denise Bicknell collection localities....creating the darker coloration. Pikes Peak in Colorado, USA is known for its Smokey Quartz, Microcline var....Middle Most Mountain, Hales Location, New Hampshire, USA Denise Bicknell Collection 8 THE BACKBENDER'S GAZETTE |  | | Journal (article/letter/editorial) | | on silversmithing Member Bob Culver of the Wayne County Gem and Mineral Club, Marion, found a "fair sized"...and now Superintendent of all mu seums in Nassau County, spoke with the Long Island Mineral and Geology... Heun and Mr. and Mrs. Gavin Taylor The Bergen County Mineralogy and Paleontology Society, Paramus, is...is now employed as a Geologist in Atlanta. Tom Stafford and Rixey Kelly are the new field trip team. Wood's...Prim, Field Trip Chairman of the Imperial Polk County Gem and Mineral Society. His answer: "Shark teeth |  | | Book | | of Saratoga in Now York, by Doct. John H. Steel. county A (Steel.') 1822." (N. G.) " New Farmer and...Bath. MAINE. BOWDOIN. Schorl, common, very abundant. (C.) BOWDOINHAM. Schorl, very large, perfect,...in beds. Mica, sometimes very beautiful green, Schorl, black, masses sometimes contain fragments of quartz...Graphite, in a friable granite. (C.) GARDINER. Schorl, very abundant. (C.) GEORGETOWN. Made, in small...GREENWOOD. Graphite, 6 m. from Paris Court House. (C.) Schorl, with graphite. HARPSWELL. Staurotide, in mica |  | | Journal (article/letter/editorial) | | Silver Spring, Md. 2 0 9 0 1 Minerals u. s. CONNECTICUT Signs of the Times: The Thames Val ley Rockhounds...recent finds at the 4-H Youth Exposition The Bergen County Min eralogy and Paleontology Society, Paramus...now the United States was in Geor gia! The Cobb County Gem and Mineral Club, Marietta, voted a sum of...Franklin Rock and Gem Society for a return field County Club, was guest speaker at the trip this fail....for the Rock and Mineral Club of Lower Bucks County, Fairless Hills. An 8-10 member group of the club |  | | Journal (article/letter/editorial) | | Occurrence in Carroll County, Georgia" (November/December 1988). Banks County 184 ROCKS & MINERALS...Bentley provided many of the photographs. Baldwin County Milledgeville district—between the State Sanitarium...243 near the Baldwin-Wilkerson County line: kaolinite (Martin and Stafford, 1972). Cheatham property—Route...property—Route 3, Commerce, 4.8 km from the Jackson County line, 8 km east of Commerce on S.R. 59, and 0.8 km...[University of Calgary] at 09:55 07 August 2017 Barrow County Arnold mine—1.6 km northeast of Statham, near the |  | Roda-Robles, E., Pesquera, A., Gil-Crespo, P. P., Torres-Ruiz, J. (2011) Occurrence, paragenesis and compositional evolution of tourmaline from the Tormes Dome area, Central Iberian Zone, Spain. The Canadian Mineralogist, 49 (1) 207-224 doi:10.3749/canmin.49.1.207 | Journal (article/letter/editorial) | | described by a combination of five main components: schorl – dravite – foitite – magnesiofoitite – olenite...defined by the components: elbaite – rossmanite – schorl – foitite – olenite, elbaite being the dominant...metasedimentary units show a large compositional range, with schorl (av. 34%) and foitite (av. 13%) dominant over dravite...82 0.01 0.71 0.02 0.74 0.26 0.37 0.29 3.35 Z Schorl 0.37 0.43 0.36 0.27 0.27 0.43 0.28 0.33 0.37 0...be represented in the plane defined by dravite, schorl, foitite, and magnesio-foitite, but most compositions |  | | Journal (article/letter/editorial) | | Louisiana State University Baton Rouge, LA 70803 USA E-mail: dutrow@lsu.edu; glhenr@lsu.edu E LEMENTS...dravite [NaMg3Al6 Si6 O18 (BO3 ) 3 (OH) 3 (OH)], schorl [NaFe 3Al 6 Si 6 O18 (BO3 ) 3 (OH) 3 (OH)], and...tourmaline: (7) Kawakami 2001; (8) Spicer et al. 2004. Schorl: (9) Holtz and Johannes 1991. Mineral abbreviations:...and references therein. 304 O C TOBER 2011 schorl, are reported from the Isua Complex in Greenland...(host), Generation 1 = foitite, Generation 2 = schorl/elbaite, and Generation 3 = “fluor-elbaite”. A |  | | Journal (article/letter/editorial) | | State University, Baton Rouge, Louisiana 70803, USA Horst R. MARSCHALL¶ Department of Earth Sciences...Oceanographic Institution, Woods Hole, Massachusetts 02543, USA. E-mail address: hmarschall@whoi.edu 2 the canadian...magnesio-foitite: Werding & Schreyer (1984), 3) schorl: Holtz & Johannes (1991), 4) dravite: Krosse (1995)...tourmaline changes (e.g., along the dravite to schorl series). Although there is a significant degree...____ Dravite Na Mg3 Al6 Si6 O18 (BO3 )3 OH3 OH Schorl Na Fe2+ 3 Al6 Si6O18 (BO3)3 OH3 OH Chromium-dravite |  | Grew, Edward S., Armbruster, Thomas, Lazic, Biljana, Yates, Martin G., Medenbach, Olaf, Huijsmans, Joep P.P. (2011) Werdingite from a pegmatite at Almgjotheii, Rogaland, Norway: The role of iron in a borosilicate with a mullite-type structure. European Journal of Mineralogy, 23 (4) 577-589 doi:10.1127/0935-1221/2011/0023-2121 | Journal (article/letter/editorial) | | Bryand Global Sciences Center, Orono, Maine 04469, USA *Corresponding author, e-mail: esgrew@maine.edu 2...intensities and both werdingite and the standard schorl BKa peak intensities were collected using a 5 kV...rhodonite (MnKa), almandine (FeKa), and schorl (BKa). Analyses for this schorl standard, sample #112566, are reported...sillimanite-boromullite intergrowths from Mt. Stafford, Australia (Buick et al., 2008). The relative...SAINTþ. Version 6.02. Bruker AXS Inc., Madison, WI, USA. Buick, I.S., Grew, E.S., Armbruster, T., Medenbach |  | | Journal (article/letter/editorial) | | Sciences, University of Maine, Orono, Maine 04469,USA Abstract In the Larsemann Hills, Prydz Bay, East...enriched in B-rich phases, including tourmaline (schorl – dravite – foitite solid solutions), prismatine...the presence of secondary andalusite. Keywords: schorl, dravite, foitite, dumortierite, grandidierite...de bore, par exemple tourmaline (solution solide schorl – dravite – foïtite), prismatine, grandidierite...secondaire. (Traduit par la Rédaction) Mots-clés: schorl, dravite, foïtite, dumortierite, grandidierite |  | | Report (issue) | | ^ Anne Arundel County 43 Baltimore County 45 Howard County - Montgomery County 88 Prince Georges...Georges County Virginia 74 . 120 129 Arlington County 129 Fairfax County 131 Fauquier County 139...139 Loudoun County 143 Prince William County 149 Diabase quarries of northern Virginia 155 CAPTIONS...mines in the Soldiers Delight region, Baltimore County, Maryland. Adapted from Pearre and Heyl , 19.60...barrens of the Soldiers Delight region, Baltimore County, Maryland. Figure 11. Water-filled adit of the |  | | Book (volume) | | .........................................94 Connecticut ..............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ................................................................................49 Arkansas County Map .......................................... |  | Hiroi, Yoshikuni, Grew, Edward S., Motoyoshi, Yoichi, Peacor, Donald R., Rouse, Roland C., Matsubara, Satoshi, Yokoyama, Kazumi, Miyawaki, Ritsuro, Mcgee, James J., Su, Shu-Chun, Hokada, Tomokazu, Furukawa, Noboru, Shibasaki, Hiroshi (2002) Ominelite, (Fe,Mg)Al3BSiO9 (Fe2+analogue of grandidierite), a new mineral from porphyritic granite in Japan. American Mineralogist, 87 (1) 160-170 doi:10.2138/am-2002-0117 | Journal (article/letter/editorial) | | plagioclase, muscovite, quartz, dumortierite, schorl, zircon, ilmenite, apatite, monazite, and pyrite... Germany (~0.5, Blass and Graf 1994), and Mt. Stafford, Australia (0.50– 0.55, calculated from Greenfield...dumortierite, HIROI ET AL.: OMINELITE FROM JAPAN schorl, and Fe-dominant grandidierite in which XFe exceeds...andalusite, topaz, garnet, ominelite, dumortierite, schorl, zircon, apatite, monazite, ilmenite, and pyrite...A sequence of partial melting reactions at Mt Stafford, central Australia. Journal of Metamorphic Geology |  | | Report (issue) | | C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated “check list” just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...Cordieritc Tourmaline Group Elbaite Checklist Dravite Schorl Chrysocolla Pyroxene Group Monoclinic pyroxenes...(Haydcnitc) 9 Virginia Mineral Localities by County This list is included for possible aid in planning...listed only* if localities arc given for them. The county lists do not include com mon rock-making materials |  | | Journal (issue) | | Mineral Museum, in co-operation with the Sussex County Arts Council, held a contest to create a new statue...Mineral Museum and Patricia Stafford, President, represented the Sussex County Arts Council. A number of...been found at Sterling Hill, Ogdensburg, Sussex County, New Jersey. It is orange to light yellow in color...mineral species consisting of elbaite, dravite, schorl, buergerite and uvite. Although these species all...said to consist of only four species: elbaite, schorl, buergerite and dravite. These conform to the general |  | | Journal (issue) | | html By phone 020 7434 9298 or by post to Sarah Stafford, Executive Secretary, The Geologists’ Association...Professor Rory Mortimore Executive Secretary: Sarah Stafford Curry Fund Dates for 2012 Committee Date March...Brown and, for the GA, David Bridgland, Sarah Stafford and the Local Groups) are to be congratulated...invited to send the list of GA members to Sarah Stafford and they will be upgraded to Local Group status...PETM Sediments in the Bighorn Basin of Wyoming, USA range of ways, with increased tropical diversification |  | | Journal (issue) | | .............. 591 THE LEAD MINES OF HAMPSHIRE COUNTY, MASS. By E. C. Foster ···-···594 ~NERAL COLLEC11NG...... ......... . .... 610 DIAMOND LEDGE, WEST STAFFORD, CONN. By Peter Z odac.................... 611...ROCKS AND MINERALS THE LEAD MINES OF HAMPSHIRE COUNTY, MASS. By EDWARD C. FOSTER Instructor of Science...Hampshire County are easily reached by car from Northampton, Massachusetts. Northampton, county seat of...of Hampshire County, is situated on the west bank of the Connecticut River and east of a region of hills |  | | Journal (issue) | | MINERALS ALLANITE (EPIDOTE GROUP) / @ Amherst County - Black pitchy allanite is found in a small pegmatitemass...used because of their radioactivity. Campbell County - Andalusitecrystals,somevery large,have been reported...attractive cabochons can be cut. BERYL Amelia County - Clear gem quality beryl fragments measuring 0...The quarry is operated by Tarmac Inc. Powhutcan County - Clear beryl crystals (goshenite) occur at the...embedded in massive quartz (Dietrich, 1990). Henry County - Small well-formed white to golden beryl crystals |  | | Journal (issue) | | News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone:208-664-2448 E-mail: lream@comtch.iea.com World...matrix about 2''2" x 2''2". The San Bernardino County Museum had a Case of copper minerals that was heavily...19, 1997 at 9:00 am - 5:00 pm At the Houghton County Arena, Hancock, Michigan {ndividual collector quality...arc a state outline showing the location and a county map showing the location. There are no maps showing...prize for the glowhouncl, magnesite from Sonoma County, California, that glowed blue-white. More and more |
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