 | | Journal (article/letter/editorial) | | AN OVERVIEW Rhode Island MINERALS & COLLECTORS F. WILLIAM MILLER Harvard Mineralogical Museum 24 Oxford...A L SPECIES and many varieties occur within Rhode Island. Part of this abundance is attributable to the...Northern Zone, including Providence County and the northern towns of Kent County, 2) the Middle Zone, including...towns of Washington County, and 3) the Southern Zone consisting of Washington County and southwestern Newport...Newport County. The greatest number of species and varieties appear in the Northern Zone. Miller attributes |  | | Journal (article/letter/editorial) | | A FIELD TRIP IN NORTHEASTERN RHODE ISLAND 286 ROCKS AND M I N E R A L S The adjacent towns of Cumberland...Cumberland and Lincoln in northeastern Rhode Island offer colĀ lecting in several localities, including...U M B E R L A N D at the northeast corner of Rhode Island is not so famous mineralogically as Cumberland...both the state mineral and the state rock of Rhode Island. Much of this area coincides with the Pawtucket...obtainable here is bowenite, the state mineral of Rhode Island. Bowenite is a gemmy translucent variety of |  | | 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) | | associate at the Smithsonian Institution. The Frederick County Rock and Mineral Club, Frederick, showed slides...Gem, Lapidary and Mineral Society of Montgomery County, Rockville, presented a Scholarship to Lawrence...Lapidary and Mineral Society of Prince George's County, Md., Camp Springs. CONNECTICUT The Thames Valley...of vivianite, F e ( P 0 ) ā¢ 8 H ) , in Calvert County, near Lusby. Verification was made by x-ray diffraction...of lapidary lore and hints for members. The Cobb County Gem and Mineral Club, Marietta, went to Sarah's |  | | Journal (article/letter/editorial) | | Topazios (which is probably our present Zabargad), an island in the Red Sea. A detailed examination of the etymology...Location map of major topaz deposits. 1. San Diego County, California pegmatites; 2. western U.S. topaz rhyolite...rhyolite belt (includes some pegmatites); 3. Mason County, Texas; 4. topaz rhyolite belt of Mexico; 5. Appalachian...(above). Topaz, Little Three mine, Ramona, San Diego County, California. NMNH specimen 147660. Figure 4 (right)...figure & Topaz, 4.5 em long, Pikes Peak, FJ PSl'lO County, Colorado. NMNH specimen R8772. 18 ROCKS & MINERALS |  | | Journal (article/letter/editorial) | | occluded. Thus, during the submarine eruption off the island of Pantelleria in 1891, blocks of lava ~hat swam...been growing progressively anhydrous. Dr. H. J. Johnston-Lavis, 6 on the other hand, states that there...pneumatolysed derivatives, and perhaps most in schorl-rock. Fifty years ago H. C. Sorby 7 noted the occurrence...Salisbury, ~Geology,' 1904, vol. i, p. 607. 6 It. J. Johnston-Lavis, Quart. ;lourn. Geol. See., 1885, vol. xli...Sedgwick long ago ~ remarked on the prevalence of schorl in the rocks usually associated with granite in |  | | Journal (issue) | | a doctorate in geology at the University of Rhode Island (1986) and Brown University (1990), respectively...club received a thank-you letter from the Fairfax County School Age Child Care (SACC) program for our participation...as those found in Maine often have a black base (schorl), a clear green zone (elbaite), and a pink zone...complex. Examples of transition include tourmaline (schorl), to elbaite, to rossmanite; muscovite to lepidolite;...The sample is from the Hillsboro District, Orange County, NC. Photo: Rob Lavinsky, iRocks.com. New AFMS |  | | Journal (article/letter/editorial) | | Beach Deposits. Ceo!. SUI 1'., photo 28. -Tintagel Island seen flom the South-east 29 -Barras Nose seen flom...Pit. Kaolinised Granite with abundant veins of Schorl Rock. T. C. Ha!!, photo 3IB.-Carcla2e China Clay...C. }.: Ha!!, photo 32A.-Roche Rock. Outcrop of Schorl Rock. T. C. FHa!!, photo... 32B.-Carclaze China...Ballstone and ~o~ Stratified Beds. MIss M. S. Johnston, photo 35A.-Blakeway Hollow Lane Quarry, showing...remnants of Ballstone 206 in Quarry wall. MISS M. S. Johnston, photo 35B -The Lilleshall Company's Quarry, Presthope |  | | Journal (article/letter/editorial) | | SETTING OF THE GRANITIC PEGMATITES OF NEW YORK STATE, USA Marian V. LUPULESCUĀ§ Research and Collections, New...New York State Museum, Albany, New York 12230, USA Jeffrey R. CHIARENZELLI Department of Geology, St...13617, USA David G. BAILEY Geosciences Department, Hamilton College, Clinton, New York 13323, USA Abstract...mlupules@mail.nysed.gov Bedford in Westchester County around 1878 (Newland 1905). The second stage of...contain Be-, B-, and Al-rich minerals such as beryl, schorl, chrysoberyl, and dumortierite. Adirondack Mountains |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Miguel Calvo Zaragoza, Spain Joe Polityka Staten Island, NY Jeffrey A. Scovil Phoenix, AZ Pierre-Nicolas... COVER: AQUAMARINE BERYL crystal, 9.5 cm, with schorl and feldspar, from the Erongo Mountains, Namibia...discovery of some of the finest Namibian aquamarine, schorl and jeremejevite ever seen. Other aesthetic species...to 2006, some of the finest Namibian aquamarine, schorl and jeremejevite ever seen were collected in the |  | | Journal (article/letter/editorial) | | subtypes. Detailed study of tourmaline (dravite, schorl, fluor-elbaite, Mn-rich elbaite), cordierite-sekaninaite...region (e.g., Craig 1966, Vanderhaeghe et al. 1999, Johnston et al. 2000, Kruse 2007). The pegmatites were...Eocene anatexis, and Eocene brittle faulting (Johnston et al. 2000, Kruse & Williams 2005, Hinchey et...for discussion of the possible mechanisms, see Johnston et al. (2000), Norlander et al. (2002), and Hinchey...some time afterwards (Vanderhaeghe et al. 1999, Johnston et al. 2000, Norlander et al. 2002, Hinchey et |  | Soares, D. R., Beurlen, H., Barreto, S. d. B., Da Silva, M. R. R., Ferreira, A. C. M. (2008) COMPOSITIONAL VARIATION OF TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 46 (5) 1097-1116 doi:10.3749/canmin.46.5.1097 | Journal (article/letter/editorial) | | crystallizing as Mg-rich members of the draviteāschorl solid-solution series. Tourmaline from the intermediate...zone is richer in Fe and Al+Li, crystallizing as schorl. The FeāMg-free and LiāAl-rich elbaite is typical...magnĆ©siens de la solution solide entre dravite et schorl. Dans la zone intermĆ©daire, la tourmaline est enrichie...Fe et Al + Li, et correspond Ć la composition de schorl. LāelbaĆÆte dĆ©pourvue de FeāMg et enrichie en LiāAl...and continuous core of quartz [cf. the model by Johnston (1945) and Cameron et al. (1949)]. Along the easternmost |  | | Journal (article/letter/editorial) | | Drurfilommon mine. Occurrencesnear Haystack Stock, Park County,were mentionedby Emmons(5). Pegmatitesassociated...none are zoned. In the JardineDistrict in Park County,Sea. ger (40) has describedsomewhat lessmetamorphosed...microcline, sodicplagioclase,biotite, epidote, schorl, garnet, pyrite, chlorite, and allanire. PEGMA...constituentsand as accessories, biotite, garnet, schorl,and blue apatite; small vugs containmuscovitecrystals...kyanite,sillimanite,schorl,biotite,garnet,apatite,graphite,and sericite. Schorl,severalincheslong,is |  | | 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 |  | | Journal (article/letter/editorial) | | Department of Geology, Augustana College, Rock Island, Il 61201, U.S.A. Fax: (309) 794Ā±7422 Editorial...(Switzerland), and muscovite (Spruce Pine, North Carolina, USA); (4) synthetic pelite: designated SP6 Ā± mineral...(Strickland-Cramer pegmatite, Portland, Connecticut USA; STK-127), and biotite (Tanco pegmatite, Manitoba...Beaver Meadow Road, SprcPn sch/drv Spruce Pine schorl/dravite Li2O in elbaite determined by Foord et...infertile metapelite (e.g., Pati~ no Douce and Johnston 1991). Where designated by ``B'' in the label |  | | Journal (article/letter/editorial) | | Russell Geoscience Complex, Baton Rouge, La 70803, USA; elevy5@lsu.edu Center for Advanced Microstructures...University, 6980 Jefferson Hwy, Baton Rouge, La 70806, USA Corresponding author The complex geochemistry of...tourmaline samples, dravite, povondraite, and oxy-schorl, analyzed by combining XANES and EPMA data, exhibit...and 63.03wt. % Fe2+ vs. 36.98ā36.41 wt. % Fe3+ in schorl. Information on the oxidation states of Fe results...chloriteātourmalineā hornblende paragneiss from Newry, Maine, USA. The paragneiss is from a pegmatitic wall-rock and |  | | Book | | garnets, in gneiss . At Fetlar in the Shetlands. Island of Mull ; on the estate of Killimore, two miles...garnets, in gneiss. At Fetlar in the Shetlands. Island of Mull ; on the estate of Killimore, two miles...between two beds of columnar basalt ; and in Rathin Island. Co. Derry ; in the parish of Ballynascreen , as...Craignashoke in Ulster ; and in coal at Rathlin Island, Antrim . 5. COPALINE, Hausmann ; Fossil Copal...in alcohol. Analyses of a Highgate specimen by Johnston : Carbon . Hydrogen . Oxygen . . 85.68 85 |  | Lensing-Burgdorf, Martina, Watenphul, Anke, SchlĆ¼ter, Jochen, Mihailova, Boriana (2017) Crystal chemistry of tourmalines from the Erongo Mountains, Namibia, studied by Raman spectroscopy. European Journal of Mineralogy, 29 (2) 257-267 doi:10.1127/ejm/2017/0029-2607 | Journal (article/letter/editorial) | | tourmaline species are schorl deļ¬cient in W-site OH (WOH) and YAl-rich schorl that additionally contains...with a composition close to the midpoint of the schorlāfoitite join was found in the narrow border area...tourmaline; Raman spectroscopy; Erongo granite; schorl; foitite. EC 5 1. Introduction 25 26 27 28...124 125 126 127 128 129 commonly described as schorl (end-member formula NaFe2Ć¾3Al6(Si6O18)(BO3)3(OH)3(OH))...star, mosaic patterns, and tufted aggregates (Johnston, 2002; Rustemeyer, 2003; Gentry et al., 2004) |  | | Journal (article/letter/editorial) | | F.G.S. : I D. Leighton, F.G.S. Miss M. S. Johnston, F.R.G.S. QBbit.or: H. W. Monckton, Treas, L...P.G.S. J. Allen Howe, B.Se., F.G.S. Miss M. S. Johnston, F.R.G.S. A. S..Kennard. F.G.S. A. L. Leach....Beach Deposits. Geol, Surv., photo 28. - Tintagel Island seen from the South-east 29.-Barras Nose seen from...Pit. Kaolinised Granite with abundant veins of Schorl Rock. T. C. F. Ha!!, photo 311J.-Carclaze China... showing the Lenses in Ballstone. Miss A1. S. Johnston, photo ... 33B.-Shadwell Rock, showing the curved |  | Thompson, Woodrow B., Bearss, Gene T., Falster, Alexander U., Simmons, William B., Nizamoff, Jams W. (2000) The Estes Quarry, Cumberland County, Maine: A New Pegmatite Mineral Locality. Rocks & Minerals, 75 (6) 408-418 doi:10.1080/00357520009605667 | Journal (article/letter/editorial) | | located on Route 5 in West Baldwin, Cumberland County, Maine (fig. 1). It is on the western flank of...concentrations of small, well-formed black tourmaline (schorl) crystals. The southwest margin of the Sebago pluton...that they contain considerable black tourmaline (schorl) and almandine garnet. Additional work is needed...to that of the Brown Derby pegmatite in Gunnison County, Colorado (Hanley et al. 1950; Staatz and Trites...element classā (tern9 1991). Although tourmaline (schorl) is abundant in the schist inclusions, it is practically |  | | Report (edition) | | much information on collecting sites in Oxford County. Numerous other collectors of Maine minerals also...suggestions and information on localities. Robert Johnston prepared the maps for the first two editions....Railroad : multiple track .. State. Bridge ...... county, parish, municipio .... Power transmission line...matrix. These include microcline feldspar, beryl, schorl (black tourmaline), almandine (garnet), and elbaite...Rockland-Thomaston, Rockport, and Union areas in Knox County. They once supported a booming industry based on |  | | Journal (article/letter/editorial) | | major-element composition varies systematically from schorlādravite in the border and wall zones to varicolored...supposed a continuous variation in Li contents from schorlādravite to elbaite but the SIMS data instead show... The barren pegmatite and leucogranite contain schorlādravite only. The full range of Ī“11B values in...Ta-ore production in the 1940s and 1950s (e.g. Johnston, 1945), and since then as a source of valuable...trends, whereby the outer zones contain intermediate schorlādravite with minor excess Al, and the inner zones |  | | Journal (article/letter/editorial) | | Dravite Elbaite Feruvite Liddicoatite Povondraite* Schorl Tsilaisite-t Uvite Alkali{efect dravite "Sodium...opaqueschorl without petrographic examination. These schorl samples (S3a, S2l, and S49) have highly mosaic...both octahedral sites. An exception is the S3a schorl in which Fe is partitioned between the Y and Z...the pyroelectric coefficient was observed in the schorl S33a plate above -430 K. This behavior, which is...the proposed onset of electrical conductivity in schorl. The pi may approach a plateau for the Fe-rich |  | | 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...representative of a garnet from Deshongās 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 |  | | Journal (issue) | | Menzies Pink topaz from the Thomas Range, Juab County, U ta h .........................................source rocks melt to form magma (Skjerlie and Johnston, 1992). Even so, fluorine is typically only a...for topaz are (b), (e) and the back arc in (c). Island arcs are involved in a very few more com plex tectonic...California; Back Arc: Western U.S., northern Burma (d) Island Arc: Southwest Japan (e) C ontinent-C ontinent...contents. The Brown Derby No. 1 pegmatite in Gunnison County, Colorado, is described by Rosenberg (1972). In |
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