 | | 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...Minerals was titled “Beryl from the Catherine No. 1 Mine, Cusper Mountain, Natrona County, Wvoming ” and appearc |  | | 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) | | OPALS • AOATI • • AMETHYST URINE • • BERYL MOONSTONE CITRINE GEM HUNTERS GUIDE by Russell...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... TYPICAL CRYSTAL FORMS OF PROMINENT MINERALS BERYL CHIASTOLITE a\ DIAMOND CRYSTALS DIOPSIDE EMERALD...which make a almost price- merely an ore of beryl, is beryllium worth a few cents a pound. Pattern |  | | 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...crystals of Beryl and Spodumene. For instance, a single Spodumene crystal from the Etta Mine near Keystone |  | | 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...orange brown, smoky quartz to yellow, pale-green beryl to blue, violet corundum to rose pink, and yellow...or dikes. Some pegmatite dikes contain a variety of gem stones, such as tourmaline, beryl (emerald, aquamarine) |  | | 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...found in all types of pegmatite from the common granite type to the lithium pegmatite. Many localities have...tourmaline crystal was noted in the Luella mine near Avon, Latah county, Idaho, which measured 3x3x8 feet. Other...Dakota. A black crystal from Micaville, Randolph county, Alabama, was 10 inches in diameter and from 3...length. Other crystals have been noted at the Baer mine near Orange, New Hampshire, to 10 inches in diameter |  | | 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 | | often are arrested there. At the Eldorado sapphire mine in Mon¬ tana the action of a million years is readily...tourmaline, magnetite, zircon, gold, platinum, topaz, beryl, ruby and sapphire. One important rock in this group...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 (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 |  | | Book (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...price increases, which make it more attractive to mine domestic deposits at a profit. Foreign labor is...1-X I I PRINCIPAL GEMSTONES Diamond, Corundum, Beryl, Topaz, Opal. II 68 IMPORT ANT GEMSTONES The...(Sillimanite), N epheline Syenite, Serpentine, Rodingite, Copper in Basalt, Pyrite, Calcite, •Dolomite, Mariposite...cut gem 4. Mounce diamond crystal 5. Gibson's Ruby mine, Cowee Creek, North Carolina 6. Corundum Hill, North |  | | 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 ...................................... |  | | Journal (article/letter/editorial) | | for aquamarine, the blue to bluegreen gemstone of beryl. The glassy blue appearance of natural aquamarine...cm long), Beebe Hall, McCain Valley, San Diego County, California. Cal and Kerith Graeber specimen; Jeffrey...ROCKS & MINERALS Aquamarine, like all varieties of beryl, is a beryllium aluminum silicate with hexagonal...of the crystallography and atomic structure of beryl can be found in Sinkankas (1988, 1981). The most...aquamarine is iron in the + 2 oxidation state. Yellow beryl occurs when all the iron is in the + 3 oxidation |  | | 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...Malachite, Chrysocolla, Turquoise LJ Emerald, Beryl *"» Agate ** Jade =p Amethyst ^ X ) y '...Growth of interest in these uses has broadened the range of gem materials to include more species, such as...paper. A fingernail will scratch gypsum, and a copper coin is just about as hard as calcite. A pocketknife |  | | Book (edition) | | and county. and the many maps included book contain such specific details as farm roads, mountain paths...Malachite, Chrysocolla, Turquoise LJ Emerald, Beryl ^"^ Agate ** Jade Amethyst nq -* % Gem...Growth of interest in these uses has broadened the range of gem materials to include more species, such as... TYPICAL CRYSTAL FORMS <^ bi ^P CHIASTOLITE BERYL EMERALD FELDSPAR EPIDOTE ^?^ (& \ ^^ GARNET...with their six-faced flat-terminated prism of beryl belong here, as well as the variations that calcite |  | | 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 | | Fossils in America A Range Guide to Mines and Minerals The Rock-Hunter's Range Guide Petrified Forest...different form in A Range Guide to Mines and Minerals and The Rock-Hunter's Range Guide, both by Jay Ellis...Rocks; Minerals Found in Igneous Rocks; Granite Pegmatite Gems and Minerals; Hydrothermal Mineral Deposits;...Vermont Virginia Washington West Virginia Wisconsin Wyoming Appendixes 615 I Gemstone and Mineral Essentials...time when Neolithic man was picking up gold and copper nuggets to be hammered into ornaments ( 20,000-14 |  | | Journal (article/letter/editorial) | | Sylacauga, Talladega Co., Ala. ARIZONA—The old Yuma mine, famous for its wonderful specimens of vanadinite...vanadinite and wulfenite, is located in Pima County, Ariz., about 15 miles N . W . of Tucson. Although abandoned...wulfenite xls from the old Yuma mine in the Tucson Mts. These xls range anywhere from 1/16 to \y2 inches...single xls. This mine quit working about 1920 and was mainly a gold, silver, and lead mine." ARKANSAS—Billy...Creek bridge. I was unable to enter the titanium mine, so did not get any rutile. I finally was able to |  | | Journal (issue) | | Industry Background image: Miners at the Pala Chief Mine, San Diego Country, California, circa 1903. On the...words: Near view of American Gems worked ledge. Kunzite and gem tourmaline American Gemstones – What They...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 (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...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 Bill Larson...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 (article/letter/editorial) | | Gemstones Simmonsite, Zapot pegmatite, Gillis Range, Mineral Co., Nevada, USA. Named in honor of W.B. Simmons...egmatites are sources of gem-quality crystals of beryl, tourmaline, topaz, spodumene, and spessartine....miarolitic cavities found near the centers of pegmatite bodies or in reaction zones between pegmatites...valuable colored gemstones, including varieties of beryl, tourmaline (see Pezzotta and Laurs 2011), topaz...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...Schuyler) mine Tourmaline Queen mine Gem Star (Loughbaugh) mine Stewart mine Mission mine Pala Chief |  | | Report (issue) | | Roentgen ray (SELF-PRINT) for five minutes, OF KUNZITE and then CRYSTAL. laying it upon the photographic...---------------- SPINEL 48 ---------------- BERYL ---------------- GARNET 50 54 --------------...-------------- 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 |
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