 | | Journal (issue) | | known of all is the famous ,,Emerald-Hand stein", an assemblage of emerald crystals from different Colombian... Among them was the "Vienna I mperiaJ Opal", an precious opal found in 1672 in Dubnik (former Czerwenitza)...Slovakia, with 594 grams, till now the biggest from an European occurrence. Natural Histoiy Museum, Vienna...No. C3281. Photo: A. Schumacher "Vienna Imperial Opal", 594 grams. Dubnik, Slovakia. Inv. No. A.y.188...Friedrich van der Null (1750-1823), was purchased for the Royal Imperial Naturals Cabinet. \an der Null purchased |  | | Book (edition) | | great changes of emphasis in mineral collecting and an unforeseen growth in the number of collectors. Mineral...Africa, and Asia have become significant sources. An increasing recognition of investment values in fine...carefully preserved to arrive on a dealer's shelf in an unblemished state. Would that the old-time miners...common can't-be-bothered attitude can be replaced by an enlightened recognition of the operators' public... CONTENTS Preface iii About This Book xi PARTI An 1 Introduction to the Study of Rocks and Minerals |  | | Book | | Phisicke, 1601. Theophrastus's History of Stones, with an English version by Sir edition, 1774. The American...sciences, demands industry and attention and to become an accomplished mineralogist much and carean acquaintance...importance. It is true minerals frequently occur in an amorphous state ; in which case, the particles of..., or Rhombohedral. lateral axes, intersecting at an angle of 60°, and one vertical axis at right angles...answer the purpose extremely well, and are sold in Germany at a — — — — very cheap rate. Besides occurring |  | | Book | | THE BOOK OF yJ An>> aT -v • J[. Illustrated. $9.^5 ISBN 0-8019-0964-3 OF VERMONT ENT OF LIBRARIES...as an authority in the lapidary field. Beginning with a description of agate, he proceeds to an interesting...varieties, with favorite location of quartz agate, opal wood — collectors. The petrified gems throughout... tell about other quartz varieties such as the opal, and petrified wood; and to give him the most complete...received, and one always fears that the name of an important adviser may be left out. However, in the |  | | Book (edition) | | hi the reno- rations }iavf‘ luM^n introduced, an im- been adopted, tlie talde for the and tln^ chapter... 1 . SiLDLVTLS. SILICA. TAGB Quartz 2 dd Opal 23 b * 2 Ceil oral . SILICATES. Remarks 212... MINERALOGY. Minerals. Minerals nT(‘, llio plants an...portant for (h(‘ imdal they (‘ontain. gentn-ally in an impure state from ili(‘ |)i'^"s<,!uee of oilier minerThe...tlak(‘S when it snows; the stre.ams bia^ome coated with an aggregation of crystals called ico and wnudows are | | | Book | | recognized as an authority in the lapidary field. Beginning with a description of agate, he proceeds to an interesting...ties and forms of quartz gems other than agate, opal and its varieties, and petrified wood a great favorite...tell abot1t otl1er Cttiartz varieties st1ch as the opal, jasper, ancl petrified wood; a11d to give l1in1...received, and one al,vays fears that the na111e of an in1portant aclviser may be left out. Ho,vever, in...12 were also const1lted. Nlany other sot1rces in an extensive library on the st1bject were const1lted |  | | Book (volume) | | variegated colours. About one and a Sutherland. an outlier half miles south of Cape Wrath, near Torridon...slate. porphyritic stone. : : Liulithgowshire in an opening near the old quarry of Kirkton, masses in...attention to Mineralogy. During the time that has an exceptionally large number of specimens from almost...Museum of localities of Scottish Science and Art. In an Appendix references are given to information which...Herbarium to a friend for a special purpose, but an accident occurred whereby this was utterly ruined |  | | Book | | PAGE GRANITE WEATHERING TO SOIL LEAVING RESIDUAL Cores oF JOINT BLocks (Upper picture) GRANITE WEATHERING...STREAM IN THE ST. LAWRENCE VALLEY WITH FLOOD PLAIN (Upper picture) .. Bryce CANYON, UTAH, SHOWING EROSIONAL...SHOWING “AcTION ON THE VALLEY’S WALLS AND FLOOR (Upper picture) LATERAL MORAINE LEFT BY A RETREATING GLACIER...STRATIFIED SANDSTONE SCULPTURED BY WIND EROSION (Upper picture) Taine e “ ie A To Frontispiece SERIES...tten Lava FLOWING Over A CLuFF IN (Upper picture). , Dikes OF GRANITE Currie Ox Rock picture) LASSEN PEAK |  | | Book (volume) | | Clement Reid, Editor F.R.S., F.L.S., F.G.S. District Geologist on H.M. Geological Survey of England...Association, 1887-1889. F. X. K. | Paralysis. j Ony*; [ Opal. Franz Xaver Kraus (1840-1901). Professor of Church...University of Freiburg-im-Breisgau, Author of Geschichte der christlichen Kunst; &c. G. A. Gr. 1878-1901. |...Author of An Art Tour in the Northern Capitals of Europe; Schools of Modern A rt in Germany. J. C. van...Historical Introduction to the Private Law of Rome, and of an edition i of the Institutes of Gaius and Rules of |  | | Book (volume) | | drift under till, Hancock, 108 - 27, South end of Upper Beech pond, Wolfeborough, 128 . 28, Section near...Maine Railroad near : Newmarket Junction, . 49, Granite shattered by glacial action, Manchester, . 50,...Hampshire. Geological map of the Ammonoosuc mining district. ILLUSTRATIONS NOT PRINTED HELIOTYPES FROM...have been supplied by the 4 SURFACE melting of an immense sheet of ice. GEOLOGY. These deposits thus...transported southward from their native ledges. Where an outcrop of rock is so peculiar that its boulders |  | | Book (edition) | | usually are explained and defined within the context of an individual report. The front material, however, includes...Ches Cheshire, England. 5 Clev Cleveland iron district, England. Colom Republic of Colombia. Corn...Canal Zone KS Kansas ND North Dakota DC District of Columbia KY Kentucky OH Ohio GU Guam ...mho mho(s) mi mile(s) 12 mil thousandth of an inch MMbbl million barrels MMcf million cubic...mining claim is a question of intent. To constitute an abandonment of a mining claim, there must be a going |  | | Book | | grades than the secondary school. schools. ; an elementary book only part of the facts can be presented...earth's surface at different levels 2. Semi-opal, an amorphous mineral 34 35 19 3. Group 4. Calcite...enlarged by microscope 59 19. An 60 obsidian rock .... 20. Granite 21. Illustration of rate of...96 43. Carbonaceous shale with plant fragments An oolite rock Enlarged section of oolite Geyserite...Mica 46. Gneiss 102 47. 48. Weathering of granite Weathering of rock of variable hardness 112 49 |
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