 | | Journal (article/letter/editorial) | | Figure 2. Index map of the Copper Mountain district, Fremont County, Wyoming. Guffy Peak and Birdseye...Geological Survey topographic maps. The entire pegmatite district is on U.S. public lands administered by the...block of land in section 28, owned by the state of Wyoming, that contains only a few pegmatites around a fresh-water...does require permission. Visitors to the pegmatite district are requested to pass through this land without...“Beryl from the Catherine No. 1 Mine, Cusper Mountain, Natrona County, Wvoming ” and appearc.d in the |  | | Journal (article/letter/editorial) | | Pegmatite Minerals of the United States David M . Seaman American Museum of Natural History, N e w Y...often makes up the greater bulk of the mass of pegmatite material. Many masses are found in the cores in...Carolina; at Amelia, Virginia, near Clayton, Rabun county, Georgia; etc. The old localities near West Chester...at Shaw and Esray's quarry near Chester, Chester County, Pennsylvania, and is now in the collection of...at the Fisher quar- occurred at the Little Three mine, Ramona, ry, Topsham, Maine, to sixteen inches in |  | | Book (edition) | | ONYX • PERIDOT* • ZIRCON • CARNELIAN TOURMALINE OPALS • AOATI • • AMETHYST URINE • •...and often gems can be found. valuable For the mountain ranges and level for the ist to States contain...hardness of less than 2V^ on Mohs' nail will copper coin is mark on scale usually leave a scratch... lOLITE k:^ RUBY /^^ RUTILE SAPPHIRE 1^ TOURMALINE CRYSTALS TOPAZ CRYSTALS 4 GEM hunter's GUIDE...six or eight different gem as color, its tourmaline may B are, in fact, A blue gem minerals |  | | Book (volume) | | Iowa to 3,500’ along the western boundary with Wyoming. In the far western counties of Lawrence, Meade...of the Rocky Mts. Cambrian rocks are exposed as thick bands around the entire mountain system. The rising...an inexhaustible supply of cold artesian, Rocky Mountain snow melt water. Harney Peak is the crest of the...which also produced a most remarkable series of pegmatite dikes ranking with those in Maine and Southern...instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore |  | | Report (volume) | | gravels and igneous rocks, especially granite and pegmatite deposits. INTRODUCTION Gem stones generally are...and therefore a wide range of colors. Impurities, such as iron, chromium, and copper, also tint the minerals...cleavage, however, can be a handicap; topaz and kunzite, for example, are difficult to cut into faceted...all red stones: spinel, ruby, garnet, and rose tourmaline; the term "sapphire," to lapis lazuli and other...beauty of irregularly colored stones, such as tourmaline. UNIT OF WEIGHT The carat, meaning one-fifth |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Journal (article/letter/editorial) | | PEGMATITE MINERALS OF THE UNITED STATES DAVID M. SEAMAN American Museum of Natural History, New York...Silica and Silicates (part three) (concluded) TOURMALINE is a complex silicate of boron and aluminum with...large amounts in granite and is then called a tourmaline granite. The common, black, iron rich variety...Black tourmaline is the most common kind of tourmaline and has been found in all types of pegmatite from...from the common granite type to the lithium pegmatite. Many localities have yielded large well terminated |  | | Book | | often are arrested there. At the Eldorado sapphire mine in Mon¬ tana the action of a million years is readily...such minerals as quartz, feldspar, mica, garnet, tourmaline, magnetite, zircon, gold, platinum, topaz, beryl...ponents feldspar, quartz and mica it is known as pegmatite. Most of our metals and gems come from the liquids...cavities occur in a great variety of shapes and range in length from a foot to several thousands of feet...intrudes a sloping bed of limestone. As the Yogo mine has been worked at various times in the past hundred |  | | Book (edition) | | crystals and quanz, from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink...price increases, which make it more attractive to mine domestic deposits at a profit. Foreign labor is...ANT GEMSTONES The Feldspar Group, Spodumene, Tourmaline, Sodalite, Olivine (Peridot), Turquois, Prosopite...(Sillimanite), N epheline Syenite, Serpentine, Rodingite, Copper in Basalt, Pyrite, Calcite, •Dolomite, Mariposite... List of Illustrations Frontispiece. Drawing of tourmaline and morganite group 1. Crater of Diamonds, Arkansas |  | | Book (volume) | | and the jades of Alaska, British Columbia, and Wyoming, are worldrenowned. Handsome and authoritative... 5 = fii? i a j — » ya y _— ’* : i mine in. q)! Y eit iia -...Oregon, Kansas, Alabama, Ohio, Oklahoma, Arkansas, Wyoming, Montana and Illinois. Detailed information on...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken |  | | Journal (issue) | | SOUTHERN CALIFORNIA LOCALITIES. 9. San Jacinto Mts. CLUB AND SOCIETY NOTES ......... ................White Horse Ranch to the Blitzen Valley, (Harney County, Oregon} and on the way I picked up some pieces...looked like slag from a furnace. This was in Grant County, Oregon, about 5 miles from Seneca. I was on a...granite pegmatites are the most common type of pegmatite. They are igneous dikes or \Teins essentially...The largest crystal in the world ·was found in pegmatite. It was a perthitic microcline crystal measuring |  | | Book (volume) | | ..........................................539 Wyoming ................................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ..................................................................45 Arizona – Yuma Co. Hull Mine Site Map ...................................... |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...included contain such specific details as farm roads, mountain paths, stretches of stream beds, and easily identifiable... \ °* A DEMCO 38-297 KEY 4& Diamond M Tourmaline fQl Ruby, O Sapphire Quartz crystal 'y^...Every year brings news of a lucky strike gem tourmaline by the bushel basketful in Maine and California;...Growth of interest in these uses has broadened the range of gem materials to include more species, such as |  | | Book (volume) | | ..........................................442 Wyoming .................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | ..........................................444 Wyoming .................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (edition) | | and county. and the many maps included book contain such specific details as farm roads, mountain paths... *' ^ *D * D } '<&*=> 4B^ Diamond M Tourmaline ^P Ruby. Sapphire O Quartz crystal ^J^ Garnet...Growth of interest in these uses has broadened the range of gem materials to include more species, such as...IOLITE SPHALERITE RUBY i^b TOPAZ CRYSTALS TOURMALINE CRYSTALS (Cro»$-$«ction ot righl) ^ \b7 CHRYSOBERYL...parallel to is and tourmaline, and the pearly cleavage unmistakable. Kunzite has two perfect cleavages |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...363 by J. Fisher History of the Tourmaline Queen mine, San Diego County, California . . . . . . . . . ...tourmalines discovered at the Tourmaline Queen mine, San Diego County, California, by Ed Swoboda and...web site at www.wmtucson.com DANBURITE – Aurora Mine, Charcas, SanLuis Potosi, Mexico When in Tucson...contacted the Natural History Museum of Los Angeles County to ask whether the Museum and its Gem and Mineral |  | | Journal (issue) | | Industry Background image: Miners at the Pala Chief Mine, San Diego Country, California, circa 1903. On the...Near view of American Gems worked ledge. Kunzite and gem tourmaline American Gemstones – What They Are and...They are Found zite (201 cts) is from the Oceanview Mine in Southern California; the 0.72-ct benitoite (left...Dallas Gem Mine area, San America’s Royal Gems – Montana and Yogo Sapphires Benito County, California;...U.S. State of Maine phires is from the Gem Mountain Mine, GranTantalizing Turquoise ite Country, Montana |  | | Journal (article/letter/editorial) | | Gemstones Simmonsite, Zapot pegmatite, Gillis Range, Mineral Co., Nevada, USA. Named in honor of W.B. Simmons...are sources of gem-quality crystals of beryl, tourmaline, topaz, spodumene, and spessartine. Historic...miarolitic cavities found near the centers of pegmatite bodies or in reaction zones between pegmatites...colored gemstones, including varieties of beryl, tourmaline (see Pezzotta and Laurs 2011), topaz, spodumene...occur in pegmatites (Simmons 2007). Historically, pegmatite deposits in Brazil, Madagascar, Russia, and the |  | | Report (issue) | | LITHIUM-BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA By RICHARD H. JAHNS and...LITHIUM-BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA! By Richard H. Jahns* and...Principal types of pegmatite Graphic granite Other very coarse-grained pegmatite Pocket pegmatite Fine-grained...Origin of the pegmatites ECONOMIC FEATURES OF THE PEGMATITE MINERALS Lithium minerals Lepidolite Spodumene...Spodumene and amblygonite Feldspars Gem minerals Tourmaline Spodumene Bervl Quartz Other minerals MINING |  | | Report (issue) | | Roentgen ray (SELF-PRINT) for five minutes, OF KUNZITE and then CRYSTAL. laying it upon the photographic...---------------- GARNET 50 54 -------------- TOURMALINE 64 ---------------- QUARTZ 71 --------------...-------------- DIOPSIDE 80 --------------- ENSTATITE KUNZITE—SPODUMENE VESUVIANITE ------------ (CALIFORNITE)...ILLUSTRATIONS. Roentgen for ray Folder of Kunzite Autoprint (self-print) 2. --- California Crystal...Valley Hydraulic Mine,” in 41 County Amador at Volcano, Flat, Cherokee County 41 Butte 9. showing |  | | Book (volume) | | Erica and. Harol d Van I [iL Albuquerque, Wyoming 6400 Library Academy Albuquerque 87109 N.M. N_E...Idaho; rectangular step cut purplish pink elbaite tourmaline (30.89 ct), Maine; round brilliant red-orange...(25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...octagonal step cut violetish pink kunzite (26.61 ct), Pala, California. NECKLACE. Vivid blue matched benitoite...benitoite gems from San Benito County, California, consisting of 52 benitoites and 75 diamonds set in gold |  | | Report (volume) | | the State lists begin with Alabama and end with Wyoming. Under each State the minerals found there are...especial interest or value. Some minerals, such as the copper ores of Pennsylvania, are included in the list...Wisconsin.........Prof. W. 0. Hotchkiss, Madison. Wyoming.........Mr. C. E. Jamison, Cheyenne. Those members...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | | Journal (issue) | | Mineralogical Societies (AFMS) www.amfed.org Rocky Mountain Federation of Mineralogical Societies (RMFMS)...portions of North and South Dakota and into parts of Wyoming ("The virtual fossil‖). The fossil cone depicted...Happenings Pg 3 Pebble Pups—Year End Pg 4 District 11 Honors Pebble Pups Pg 5 Installation of Officers...Services MEET THE FUTURE. Colorado Springs School District 11 1115 North El Paso Street Phone: (719) 520-2034...Society! On February 8th, Colorado Springs School District 11 Board of Education would like to recognize |
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