 | | Book (volume) | | which also produced a most remarkable series of pegmatite dikes ranking with those in Maine and Southern...Hills Dist. Includes both Veins and the extensive pegmatite dike exposures and mines. BON HOMME & CHARLES...Alt. 16 for 15 to 17 mi. (near Rte. 79), pegmatite outcropsRose Quartz; S along US 385 for 32 mi....Co., all regional side rds., look for limestone outcrops and ridgesFairhill agates; in Bull Moose mine...Spodumene, blue-green Tourmaline; Gayle Royal Flush pegmatite, 5.9 mi. SE Amblygonite. FAIRBURN: NW about |  | | Report (edition) | | Gemstones associated with pegmatites Chapter 6 Beryl group 35 Beryl ................................................ 50 Chapter 7 Tourmaline group 51 The tourmaline group ................................................. 65 Chapter 9 Feldspar group 67 The feldspar group .............................................................. 78 Chapter 11 Minor pegmatite gemstones 79 Lepidolite ...................... Section 3 Siliceous gemstones Chapter 12 Quartz group 93 Gem-quality quartz........................ |  | | Book (volume) | | Topaz, Opal. IMPORTANT GEMSTONES The Feldspar Group, Spodumene, Tourmaline, Sodalite and Cancrinite...Jadeite), Rhodonite, Idocrase (Vesuvianite), The Garnet Group. Quartz FAMILY GEMSTONES RarRE AND UnusuaL...orthoclase crystal Map of Amelia, Va. An amazonite pegmatite Dr. George F. Kunz California kunzite crystals... List of Illustrations . . . . . . . . . . . . . Garnet crystals Almandine from Wrangell Spessartite matrix...X11 Rutile group Phenakite crystal Phenakite crystal group Axinite crystal Axinite group A microlite |  | | Report (edition) | | Gemstones associated with pegmatites Chapter 3 Beryl group 33 Beryl properties .................................................. 48 Chapter 4 Tourmaline group 49 Tourmaline properties................................................ 63 Chapter 6 Feldspar group 65 Feldspar properties and occurrence.............................. 76 vi Chapter 8 Minor pegmatite gemstones 77 Lepidolite.......................Section 3 Siliceous gemstones Chapter 9 Quartz group 91 Gem-quality quartz........................ |  | | Book | | Mammoth * Arizona Gemstone-Turquoise Mineral-Garnet Fossil-Eubrontes 26 27 * Delaware Mineral]-Sillimanite...Joaquin Series iii 4] * Idaho Gemstone-Star Garnet Fossil-Hagerman Horse 43 44 * Illinois Mineral-Fluorite...Gem-Turquoise Fossil- Coelophysis * New York Gem-Garnet Fossil-Eurypterus remipes 102 103 104 * South...* Vermont Soil-Tunbridge Series Gem-Grossular Garnet Rocks-Marble, Granite, Slate Mineral-Talc Fossil-White...Nephrite jade is composed of minerals in the amphibole group and is made of pectolite. The fairly soft mineral |  | | Report (issue) | | Mine Bemard Lake sunstone occurrence Parry Island garnet occurrence McGown Mine Burcall Mine McKay feldspar...sepiolite, Canadian All-Metals mine Parry Island garnet occurrences Tourists at Niagara Falls in winter...mica, apatite, pyroxene, the amphiboles, jluorite, garnet, chondrodite, graphite, magnetite, molybdentite...(about midway between Ottawa and Montreal) where a group of metamorphosed sediments and igneous rocks were...the Grenville Series. Typical rock types of this group are crystalline limestone, quartzite, gneiss, granite |  | | Book | | the 2003 Tucson show. MOROCCO Imilchil area. Outcrops of episyenite and of contact-metamorphic skarn...columnar crystals of hedenbergite. Around 1960. a group of collectors visited the mine. then temporarily...crystals have been collected, especially in skam outcrops just to the south of the Rio Marina iron mine... Orlandi and Vezzoni, 2013 ). A beautiful 8-cm group of ilvaite crystals spotted with tiny crystal!>...ilvaite crystals to 1 cm occur in pockets in pyroxene-garnet skarn zones, and very large, somewhat rough crystals |  | | Report (issue) | | bookstores or by mail from Canada Communication Group - Publishing Ottawa, Canada KIA OS9 and from. Geological...Native silver, Silver Islet Mine Silver Islet Mine, group of officers Silver Islet Mine Oliver Daunais at...quarries, pits, rock exposures (road-cuts, rock outcrops) and shorelines. Most of these are shown on locality...tungsten and industrial minerals including feldspar, garnet and kyanite. The region includes occurrences of...area and adjacent Ontario. The Winnipeg River pegmatite field presents a diverse mineral assemblage including |  | | Report (issue) | | that these sands were the connecting links of a group of islands. He referred to the main island as ‘Les... 22 Le Buttereau-du-Nègre on right. This is a group of duned islets in Lagune de la Grande Entrée. ...chain of islands forming the Îles de la Madeleine group. Together with Dune de I’Est it forms a twin line... 3.7 Bassin, at church. Massive white gypsum outcrops at the side of a hill overlooking Bassin. The...Cape headland. Inland, this gypsum-bearing rock outcrops along the slope between the shoreline and the |  | | Journal (issue) | | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim...books & other collectibles. you’re traveling in Germany, visit us for some German hospitality & see some...Exceptional H igh-Q uality Minerals and Fossils from Germany, Europe, Africa Weerth Edelsteine u. M ineralien...SWEDISH PORTUGESE Mineralo S a in t- I J iI & GARNET BOOKS P.O. BOX 294 H A G AM AN, NEW YORK 12086...Figure 1. Location map. 405 Figure 2. Muscovite group, 9 cm across. Carlos Barbosa specimen. WEW Figure |  | | Journal (issue) | | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim...books & other collectibles. you’re traveling in Germany, visit us for some German hospitality & see some...Exceptional H igh-Q uality Minerals and Fossils from Germany, Europe, Africa Weerth Edelsteine u. M ineralien...SWEDISH PORTUGESE Mineralo S a in t- I J iI & GARNET BOOKS P.O. BOX 294 H A G AM AN, NEW YORK 12086...Figure 1. Location map. 405 Figure 2. Muscovite group, 9 cm across. Carlos Barbosa specimen. WEW Figure |  | | Report (issue) | | Peggys Cove Sandy Bay, Port Mouton ocGranite pegmatite currences Bayside, Frog Lake, Birchtown Diorite...13 Central Tower Hill occurrence STAUROLITE, GARNET, ANDALUSITE In mica schist Staurolite occurs as...prismatic crystals averaging 15 mm long. Small pink garnet crystals, about 3 mm across, are associated with...crinoids, trilobites, and plants. The occurrence outcrops along Highway 1 (Fundy Coastal Drive) at km 9...adit 76 m into the cliff. In 1958, Keevil Mining Group did some drilling and excavating. The mine is on |  | | Book | | Appalachians as well as crystals such as staurolite or garnet, specimens such a s gold nuggets, a n d a n assortment...discoverers, W. E. Hidden. The rose-pink rhodo lite garnet of Macon County was discovered in the late 19th...“glory hole” for precious topaz, spes sartine garnet, moonstone, or whatever else turns up. Photograph...Carolina. 4 • r Siwstmt' Old mines and rocky outcrops of the Appalachians are hidden beneath a sea of...faceted stones such as the 40 carat spessartine garnet from Virginia, the 6.4 carat perfect rhodo lite |  | | Book | | . . . . . . . . . . . . . . . . . . . . 43 Pegmatite deposit in Kaatiala . . . . . . . . . . . . ...prospecting of gemstones . . . . . . . . . 49 Pegmatite deposit in Haapaluoma . . . . . . . . . . . .... . . . . . . . . . . . . 304 the Viitaniemi pegmatite . . . . . . . . . . . . . . . . . . . . . 104...orbicular rocks. He is particularly familiar with the pegmatite mineralogy, even described two new mineral species...This is due to the strong monopoly of the De Beers Group: they have artificially regulated the price by limiting |  | | Book | | preci- 1 sion instruments. Diamonds, corundum, garnet and quartz are used as polishing abrasives. Soft...tonnage is computed from dimensions revealed in outcrops, trenches, workings and drill holes and for which...altered to quartzbiotite schists frequently with garnet and staurolitic-rich bands while the impure sandstones...Series Lithological by Trashliev description Group Formation 'Cpper Upper Arenaceous Flysch Formation...cast and slump structures. Table 7 continued Group Formation Lower Argillaceous Formation This |  | | Report (volume) | | for sand and gravel, no single commodity tn this group has a total value of more than $100 million ; no...them new to science. Recently the minerals in pegmatite hodies, known from comparatively early days because...be found in the search for these materials in pegmatite, skarn, and other kinds of rock. Finally, with...the world. The tellurium minerals are one such group. Many geologists, mineralogists, and mining engineers...yielded more than $400 million in gold. Another large group of minerals for which Colorado ore deposits are |  | | Book (volume) | | California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...Naturhistorisches Museum der Stadt Bern, Bern, Germany, 143 p. Vlasov, K. A., Kuz'menko, M. Z., and Es'kova...arranged alphabetically. Some minerals are listed by group (e.g. biotite, plagioclase) while some minerals...Mine in Topsham: both are small open pits in pegmatite. Morrill et al. (l 958) relieves the problem by...and most specimens can only be ascribed to the group of openings. The inability to pinpoint some occurrences |  | | Book (volume) | | amethyst (left, upper group) which measures about 25 mm (1 in.) across. TOP GROUP. Green fluorite (121... Maine; round brilliant red-orange spessartine garnet (16.62 ct), Ramona, California; deep red cushion...gold. The necklace is 45 cm (18 in.) long. BOTTOM GROUP. Deep, spinel red oligoclase feldspar (5.04 ct)...Ul co.cc cket ec ek Figure 15. Elizabeth R.’pegmatite mine, Pala, San Diego County, CA <2.-.cct sees:...County, MT... eee Figure 20a. Danburite crystal group from Charcas, San Luis Potosi, Mexico... Figure |  | | Report (issue) | | 545 ). Northwest Territories 86 F/12 Al the How Group, Camsell River Silver Mines, located on the Camsell...a platy variety of albite frequently found in pegmatite veins . Per isterite , an iridescent variety valued...up lo one foot thick occur in the Silver Leaf pegmatite in the Winnipeg River area , about one mi l e...2 1 A/10 Chemica l analysis of albite from a pegmatite first examined in 1903 on the Reeves farm located...peristcrite have been collected from the Burnham pegmatite deposit, cone. X , lot 3, Portland Township, Frontenac |  | | Book (volume) | | .......... 315 Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ........................Moore Electron Microprobe Analyses for Crandallite-Group Minerals from Maine Pegmatites ...................first visit to the tourmaline-bearing granite pegmatite at Mount Mica in 1952 and Gene eventually completed...thesis on the famous tourmalinebearing Himalaya pegmatite at Mesa Grande, San Diego County, California....where, through a translator, he was advising pegmatite miners about recovering useful minerals and began |
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