 | | Journal (issue) | | February 1987 No.1 VIRGINIA MINERAL LOCALITY INDEX D. Allen Penick, Jr. This Virginia mineral locality...world-wide locality index The localities are listed by county, followed by a listing of the most prominent minerals...source of information in this Virginia index was Minerals of Virginia (1970) by R. V. Dietrich. Although...of the index. Some of the famous localities in Virginia, such Updated from Rocks and Minerals, Vol. 60...pegmatite in Amelia County and the Lynch Station locality (turquoise crystals) in Campbell County, are now closed |  | | Journal (article/letter/editorial) | | VIRGINIA MINERAL LOCAL INDEX Although perhaps best known for its turquoise crystals, apophyllite on...kyanite, Virginia has, in fact, over 150 mineral species. and D. A L L E N P E N I C K , JR. Virginia Division...Mineral Resources P. O. Box 3667 Charlottesville, Virginia 22903 T H I S V I R G I N I A M I N E R A L L...world-wide locality index. The localities are listed by county, followed by a listing of the most prominent minerals...source of information in this Virginia index was Minerals of Virginia (1970) by R . V . Dietrich. A l |  | | Report (issue) | | precious-metal occurrences in the Culpeper basin, northern Virginia LEADERS: Joseph P. Smoot Gilpin R. Robinson... S. Geological Survey National Center Reston, Virginia 22092 U. S. Geological Survey Open-File Report...precious-metal occurrences in the Culpeper basin, northern Virginia LEADERS: Joseph P. Smoot and Gilpin R. Robinson...mineralization, Rt. 28, Sterling, Virginia. STOP 2. Hornfels, Rt. 661, Chantilly, Virginia. STOP 3. Culpeper Crushed...Quarry, Stevensburg, Virginia STOP 4. Granophyre and ferrogabbro, Germanna Bridge, Virginia. STOP 5. Kemper |  | | Report (issue) | | and C.M. Sears U.S. Geological Survey Reston, Virginia 22092 Open-File Report 92-448 This report is...Site Number, Site Name ...................... 6 County, State, Quadrangle, Latitude, Longitude .........Occurrences located in the Culpeper basin, Maryland and Virginia ..................... 168 H. Section H: Occurrences...Occurrences located in other areas of Virginia. ... 185 I. Section I: Occurrences located in North Carolina...location ( county, state, quadrangle, latitude, and longitude) 2. deposit size (occurrence type - mine, prospect |  | | 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...forming a ridge north of Route 7 near Dranesville, Virginia. Figure 7. Locations of mineral deposits in...mines in the Soldiers Delight region, Baltimore County, Maryland. Adapted from Pearre and Heyl , 19.60 |  | | Report (volume) | | aspects of the geology of the Culpeper basin of Virginia. The editors are grateful to the authors, technical...and Deep Run basins in the eastern Piedmont of Virginia 40 By Eleanora I. Robbins and Robert E. Weems...characteristics of Mesozoic basalts, Culpeper basin, Virginia lOS By Richard P. Tollo Reinterpretation of the...Mesozoic intrusive rocks in the Culpeper basin, Virginia and Maryland 151 By Albert J. Froelich and David...early Mesozoic diabase sheets, Culpeper basin, Virginia 16S By Paul C. Ragland and Jonathan D. Arthur |  | | Journal (issue) | | important gems are blue and pink opal, chrysocolla and silicified chrysocolla. Properties of various types of...of opalised or silicified chrysocolla are discussed. Massive rhodochrosite, aragonite, dumortierite and...stones are also described. Keywords: blue opal, chrysocolla, gemstones, Peru, pink opal Introduction A...kinds of opal, stones under the general heading chrysocolla, rhodochrosite and then rare Figure 1: Blue opal...study Fritsch et al. (1999) found inclusions of chrysocolla in this opal. The RI of the blue opal lies between |  | | Report (issue) | | 82 The Geology of the Jarilla Mountains, Otero County, New Mexico By Paul G. Schmidt and Campbell Craddock...small range of hills in the Tularosa Basin in Otero County, south-central New Mexico (fig. 1). The range is...help in the identification of other fossils; to Theodora Melone for extensive assistance in the Winchell...cherty xenolith at the haulage entrance to the Lucky Mine, NWIANE1/4 sec. 10, showed that at a distance of...radiating bladed masses of specularite. The Lucky Mine itself, now mined out, appears to have been developed |  | | Book | | Pezzottaite Sepiolite Ludwig II’s pocket watch Chrysocolla Petalite Prehnite Phosphophyllite The gem industry...crystals Blue azurite Celestine cystals Rough chrysocolla with azurite Native elements Halides Carbonates...Examples of carbonates as gemstones include chrysocolla, calcite, smithsonite, and malachite. Sulphate...and more. Phyllosilicates This group includes chrysocolla, soapstone, and clay minerals, among others....The angle between a and b is 120 degrees. In the USA, the trigonal is considered a division of the hexagonal |  | | Journal (issue) | | Jasper .... $25 .25 MINIMUM ORDER S18 postpaid in USA Subscribe to our CATALOG of cabochons. beads. slabs...this ~ of work, but I sure wouldn ' t be without mine. The Basics ofEngraving When the necessary tools...Institution; the Los Angeles County Museum of Natural History; the San Bernardino County Museum; the University...Recently Renovated Gem and Mineral Hall of the L.A. County Museum and Achievements of the Gem and Mineral...have headed out to explore an old Ghost Town or mine and along the way have found a good gem or mineral |  | | Journal (issue) | | The best-known wulfenite comes from the Red Cloud mine in Arizona, though crystals from this area are generally...and cryptocrystalline bertrandite. In the Boomer Mine area, late-stage euclase, intergrown with quartz...north-north-east of Karoi has been examined. This mine formerly produced muscovite and the current excavations...excavations lie immediately west of one of the old mine shafts, some 500 metres south-east of Momba Farm...spectra in andalusite. M.O'D. JONES (R. W.). Chrysocolla, Arizona's premier gem. Lapidary Journal, 3 3 |  | | Journal (issue) | | 4 figs, 1980. Euclase from Santa do Encoberto, county of SSo Sebastiao do Maranhab, Minas Gérais, Brazil...colour), 1980. Describes the operation of the Orapa mine from which 15 000 ct of diamond are recovered daily...spessartite garnet crystals from the New Consolidated Mine, Broken Hill, N.S.W., Australia. Mr Per Paulin,...Henry and Helen Whitehead were good students of mine in 1957 to 59. Sadly, Helen died in 1960 without...1980 Larcombe, David B., Wincanton. 1980 Lau, Theodora A., Hong Kong. 1980 Levine, Carolyn E., Hong Kong |  | | Book | | Pezzottaite Sepiolite Ludwig II’s pocket watch Chrysocolla Petalite Prehnite Phosphophyllite The gem industry...crystals Blue azurite Celestine cystals Rough chrysocolla with azurite Native elements Halides Carbonates...Examples of carbonates as gemstones include chrysocolla, calcite, smithsonite, and malachite. These...and more. Phyllosilicates This group includes chrysocolla, soapstone, and clay minerals, among others....the Superpit is Australia’s largest open pit gold mine and is one of the largest open pit mines in the |  | | Journal (issue) | | NE of the Sandawana mine, along the Mweza Range, which is named 'Machingwe' mine, after a nearby stream...The Machingwe Emerald mine The car journey from Masvingo to the Mashingwe mine takes about 3l/z hours...for the mine became 'Machingwe Syndicate No. No.22 Mine', but is better known under the name Mine: Machingwe...Machingwe mine. At the time of the first author's visit to the mine -S striking, the No. No.11 shaft shaft...mining based on very simple methods at the time the mine was visited, but also the plant and the treatment |  | | Journal (issue) | | Alonso-Perez Harvard University, Cambridge, Massachusetts, USA Editorial Assistant Carol M. Stockton Edward Boehm...Boehm RareSource, Chattanooga, Tennessee, USA Editor Emeritus Roger R. Harding Maggie Campbell Pedersen...Emmett Crystal Chemistry, Brush Prairie, Washington, USA Emmanuel Fritsch University of Nantes, France Rui...Mary Johnson Consulting, San Diego, California, USA Stefanos Karampelas Basel, Switzerland Lore Kiefert...E. Post Smithsonian Institution, Washington DC, USA Andrew H. Rankin Kingston University, Surrey Benjamin |  | | Book | | gemmological conferences in Switzerland and the USA. She is also on the editorial review board of Gems...picture of Ravenna’s St Vital Cathedral showed Theodora (wife of Byzantine emperor Justinian I) wearing...(Chile) as well as in Mongolia, Burma and less from USA, Canada and Italy. Necklaces made of lapis-lazuli...Ancient Egypt. It is believed that only the Sar-e-Sang mine was producing the high-end material and this material...beryl (Be3Al2Si6O18). The earliest known emerald mine is located at Wadi Sikait in Egypt’s Eastern Desert |  | | Journal (issue) | | for Geographic Origin Emilie Elmaleh, Susanne Theodora Schmidt, Stefanos Karampelas, Klemens Link, Lore...in opal • Trapiche-like ruby from the Batakundi mine in Kashmir • Sapphire inclusion with rutile “silk”...Moonstone jewelry • Oregon sunstone • Potentate mine sapphire update • “Rainbow lattice” feldspar • Responsibly...Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2019 Gemological Institute of America All rights...a dramatic increase in mining of the San Diego County pegmatites in the late nineteenth and early twentieth |  | | Book | | the market. At the present day, the Jagersfontein Mine, in South Africa, produces Diamonds of pure water...KIMBERLEY MINES DIAMOND PULSATOR, DE BEERS DIAMOND MINE AT KIMBERLEY, SOUTH AFRICA The Diamond 33 on...beginning of the now world- famous Kimberley mine and the South African mining metropolis of Kimberley...if The De Beers courts or brick drying floors. mine floors are rectangular sections, six hun- dred...it. weathering The blue ground from Kimberley mine becomes well pul- verised in six months, with |  | | Journal (issue) | | flux-grown crystal of synthetic red spinel. Chrysocolla from Mexico, © Gemmological Association and...London EC1N 8TN, Dr Kurt Nassau from Lebanon, NJ, USA, presented an illustrated lecture entitled My 40...operational in 2001. Overseas tutorials were held in the USA, the AGS Conclave and in Sweden, Norway and Ireland...Talks took place for education in China and the USA. A total of 891 students entered the GAGTL examinations...the international laboratory meeting in Tucson, USA, in February and again at the CIBJO annual meeting |  | | Report (volume) | | conglomerates In the Tallahassee Creek distrIct in Fremont County. Uranium, recoverable by solution mining of Upper...evaluated In Weld County. VBlntype uran I urn occurrence 5 are typ I fled in Je f farson County by the Schwartzwal...Schwartzwal der Mi ne, the largest uranium mine In Colorado. Part 2 contains in the bibliography of approximately...occurrences In the state, with cross-Indexes by county, host rock, and the special categoriesof "Front...numer I ca I I I st of occurrences by county OCCURRENCES by county with Introductions Adams Alamosa Arapanoe |  | | Book (volume) | | city, including several villages, of Middlesex county, Massachusetts, U.S.A., on the Mystic river and...(Medford, 1905); S. A. Drake, History of Middlesex County (2 vols., Boston, 1880) and Helen Tilden Wild,...collection of facts renders his works a precious mine of information. Indeed towards the close of the...Margherita = Odoardo , F arnese, duke of Parma. I O Virginia, Isabella, o — Cesare 1542-1576 -- Paolo d’Este...humanity—the Salpetriere—dis¬ covered an unworked mine of chronic nervous disease. M. H. Romberg (1795-1873) |  | | Book (volume) | | the public Trujillo. LOS ANGELES, a city and the county-seat of Los Angeles of Leipzig." Subsequent performance...performance in Berlin, however, provoked county, in southern California, U.S.A., along the small Los such...are the Federal Building, the County Court House, the City Hall, a County Hall of Records, the Public Library...valuable field in California, S. of Santa Barbara county, and the value of its product was $1,749,980. In...crown or its donatory, usually the sheriff of a county. By the Burgh Police Act above quoted provision |  | | Book | | The writer’s anecdotes particular subject mine- different treatises from from various different...Culinary Acid and ...... LETTER Salts—Muriate mine of I. of Abyssinia—Superstitious ideas at-...is the I shall by now ideas attached Salt-mine — Ahmu- which of speak of an terms what...century, annually salt. Some in the travellers mine entire an with their families, pass salt, height...vaulted torches, the produces of a itself, mine fresh roofs, light most and for the horses. |  | | Book (volume) | | the seat of a bishop; and chief town of the ami (county) of its name, on the south bank of the Limf jord...AALESUND, a seaport of Norway, in Romsdal ami (county), 145 m. N. by E. from Bergen. Pop. (1900) 11,672...(Mellingen, Muri, Villmergen, and Bremgarten), with the county of Baden, were ruled as " subject lands" by all...largest town in the kingdom, and capital of the ami (county) of Aarhus. Pop. (1901) 51,814. The district is...governed by the counts of Ponthieu. Together with that county, it came into the possession of the Alencon and |  | | Book (volume) | | (in part), Childrenite; Chlorite; Chromite; Chrysocolla; Clintonite; Cobaltite; Colemanite; Columbite...incorporated town and port of entry in Northumberland county, New Brunswick, Canada, on the Miramichi river...entry of Ontario, Canada, and the capital of Kent county, situated 64 m. S.W. of London, and 11 m. N. of...estate. CHATTANOOGA, a city and the county-seat of Hamilton county, Tennessee, U.S.A., in the S.E. part...buildings are the city hall, the Federal building, the county court house, the public library, the high school |
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