 | | Journal (article/letter/editorial) | | Oregon; argyrodite (a silver sulphide germanate), Germany, Bolivia. On the other hand, there are many well...crystalline, igneous rocks are exposed at surface (granite, pegmatite, crystalline, schists, quartz or limestone...in Colyn region W. of r. Dniepr. ANDREASBERG, Germany, S E Oberharz mountain range, lead-zinc deposit...hormotone, analcime, desmin. FREIBERG, Saxony, Germany, old famous mineral, classic locality. Native silver...cIausthalite-rare selenium mineral. OBERFAIZ, Bavaria, this is a region with some interesting mineral |  | | Journal (article/letter/editorial) | | Cambridge Ave., Menlo Park, Calif., also sends in an interesting item as follows: "On page 569, Nov-Dec... ROCKS AND MINERALS terial on the beach. No. 3 is an attractive yellow jasper which comes from the ledge...through the Southern States, including Florida, I have an item which seems to be appropriate for the 'World...to the Georgia Geological Survey (Atlanta, Ga.), an intere->;ng specimen of amazonstone from Rabun County...be found thus far in Georgia. It was obtained from an old mica mine about 7 miles from Clayton, and may |  | | Journal (article/letter/editorial) | | donated 3 interesting minerals from the Castle Dome District of Yuma Co., Ariz. The specimens are fluorite...They were very much shaped inside like the inside of an old fashioned iron cooking pot. In other words, a...feet, as I remember. Too, they were very close to an off-set of about eight inches, and on the down side...Hampton. A few of the octahedral crystals measure % of an inch on a side. The locality is again being worked...marl near Delaware City, New Castle Co., Del. DISTRICT OF COLUMBIA—The following notes, dated Dec. 25 |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline igneous rocks where sodalite...ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed...2008, when extensive blasting for construction of an extension to High,, ay 5 revealed veins of massive...Alberene and Old Dominion quarries, Albemarle County. In these two soapstone quarries, tabular ilmenite crystals |  | | Journal (issue) | | and form of all known species and varieties , with an up - to - date supplement . A Metallic Classification...nature's architecture in the form of a bridge is an established fact, and he who wishes to view it can...proceed over uncomfortable paths amid the rocks of an ancient upheaval, and within four miles of the little... It was the great natural bridge. As they turned an angle of a towering rock the giant arch suddenly... Above, at the top of the arch, are evidences of an active whirlpool, that with gentle but ever active |  | | Journal (article/letter/editorial) | | 4 feet wide that run for approximately % mile in an east and west direction. A cold chisel or crowbar...Colorado—An occurrence for triboluminescent sphalerite is a lead-silver mine in the Silverton district, San...Eugene VanderWender, Harrington, Kent County, Del. District of Columbia—French Morgan, of Washington, D. C...another very unusual find of petrified wood, in the District this time, and within a half mile of where I live...red, blue, brown, black and gray, yet no precious opal was ever found. Only one log, about 20 feet long |  | | Book (volume) | | GRAYSVILLE, SE 1½ mi., in Knox dolomite exposed in an abandoned quarry Barite, Calcite, Fluorite (purple...quarry on W side of rd.agate, chalcedony, chert, opal; area of state fish hatchery on Cloudland Rd.agate...Stone Mt.), areaQuartz crystals. LITHONIA: area quarriesCalcite, Epidote, Fluorite, Garnet, Thulite, Tourmaline...crystals, Tourmaline, etc.; Flat Rock QuarryHyalite opal; Lithonia High School, N 60° W 1 mi. and 1 mi...MOUNTAIN: two area granite quarriesBeryl, Feldspar, Hyalite opal; area granite outcrops, in jointsUranophane |  | | Book | | SITES IN DERBYSHIRE—John and Joan Lawson PEAK DISTRICT—John Lawson THE CURSE ON THE MAGPIE-Peter Rodgers...copper miner als that require expert .^entification An enormous amount of commeris now going on in cial...list of minerals coming from Cornish mines and quarries: WORKING MINES GEEVOR. Chalcocite crystals, native...chalcopyrite crystals. rare coppers. WORKING QUARRIES SOUTH CROFTY. Excellent tins (cassitercrystals...(often showing the rarer crystal habits). LIZARD QUARRIES, Excellent zeolite specimens, notably, h< iculandite |  | | Book (volume) | | Illinois geology. These measures constitute the Upper Carboniferous system of repeated alterations of...City Geode Location WARSAW, area rd. cuts, pits quarries, gravels, banks along regional creeks and streams...area⎯tripoli. VERMILION COUNTY DANVILLE, area quarries in dark shale⎯Marcasite replacement of marine...marine fossils. WILL COUNTY LEMONT, area quarries⎯glistening Quartz replacement fossils. WILMINGTON, regional... This and adjoining Brown Co. have also produced an astonishing 30 Diamonds over the last century. These |  | | Book (volume) | | Illinois geology. These measures constitute the Upper Carboniferous system of repeated alterations of...City Geode Location WARSAW, area rd. cuts, pits quarries, gravels, banks along regional creeks and streams...area⎯tripoli. VERMILION COUNTY DANVILLE, area quarries in dark shale⎯Marcasite replacement of marine...marine fossils. WILL COUNTY LEMONT, area quarries⎯glistening Quartz replacement fossils. WILMINGTON, regional... This and adjoining Brown Co. have also produced an astonishing 30 Diamonds over the last century. These |  | | Report (issue) | | Maximilian Glas, Starnberg, Germany Printer Mediahaus Biering, Munich, Germany English Edition © 2005 by... extraLapis No. 20: Inset Elba Die Urlaubsinsel der Mineralogie Photo Credits Cover: Elbaite 5.4 cm...Weise Verlag, Munich, Germany German Edition © Christian Weise Verlag, Munich, Germany ISBN 3-921656-57-5...3-921656-57-5 Printed in Germany The Italian Island of ----- A Mineralogical Jewel in the Tuscan Archipelago... The Italian Island of Elba Table of Contents Page 4 An Island Steeped in History Federico Pezzotta Page |  | | Book (volume) | | ..467 Appendix D - The Various names & Forms of Opal .......................................473 Appendix...considering its age — this could almost be considered an updated version). This is by no means a complete...graphite, quartz), and gneisses, as well as numerous granite pegmatites and ore-bearing veins. Prior to the...⎯gemmy minerals, petrified wood; d area limestone quarries⎯Calcite, Celestite, marble; e SIXMILE (hamlet...Magnetite, Pyrite, etc.; f limestone and dolomite quarries⎯Barite and Calcite. ANGEL STATION (NW part of |  | | Book (volume) | | ..469 Appendix D - The Various names & Forms of Opal .......................................475 Appendix...considering its age — this could almost be considered an updated version). This is by no means a complete...graphite, quartz), and gneisses, as well as numerous granite pegmatites and ore-bearing veins. Prior to the...⎯gemmy minerals, petrified wood; d area limestone quarries⎯Calcite, Celestite, marble; e SIXMILE (hamlet...Magnetite, Pyrite, etc.; f limestone and dolomite quarries⎯Barite and Calcite. ANGEL STATION (NW part of |  | | Book | | arouse initial interest and supply the reader with an elementary knowledge of this important branch of...book is divided into two parts: the first contains an introduction to general mineralogy and a chapter...their external form, crystallography did not become an independent branch of science until the 17th and...All of them, however, have a common feature, i.e. an identical symmetry corresponding to the internal...commonly of a quartz composition such as chert, opal and chalcedony, and occur in limestones and serpentines | | | Book | | arouse initial interest and supply the reader with an elementary knowledge of this important branch of...book is divided into two parts : the first contains an introduction to general mineralogy and a chapter...their external form, crystallography did not become an independent branch of science until the 17th and...All of them, however, have a common feature, i.e. an identical symmetry corresponding to the internal...commonly of a quartz composition such as chert, opal and chalcedony, and occur in limestones and serpentines |  | | Book | | arouse initial interest and supply the reader with an elementary knowledge of this important branch of...book is divided into tivo parts: the first contains an introduction to general mineralogy and a chapter...their external form, crystallography did not become an independent branch of science until the 17th and...All of them, however, have a common feature, i.e. an identical symmetry corresponding to the internal...commonly of a quartz composition such as chert, opal and chalcedony, and occur in limestones and serpentines |  | | 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 |  | | Journal (issue) | | mixed blessing. It has indirectly paid my salary (as an engineer in Alberta's oil patch), but it offers a...Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah. In most locations, tungstenite...Creek coulee. A common geological horizon, the Upper Cretaceous Edmonton Group, hosts both rhe fossils...day. Parking on the curve on the main road would be an invitation to disaster as the road is narrow and...a reduced prepublication price of only $120, with an expected retail price of about $240. Congratulations |  | | Book (volume) | | collecting grounds in the Midwest for gemstone materials. An extensive collecting region of agatized and opalized...all tributary canyons, creeks, and washes, reveal an abundance of gem quality 283 Nebraska petrified...Eastern Nebraska has few gemstone localities, but quarries, gravel pits and other excavations throughout...pitsagate (banded, moss), chalcedony, chert, flint, moss opal, agatized and opalized wood. OMAHA, W to the Platte...Blue Springs): all regional gravel pits and quarriesCalcite, Quartz crystals; SE 3 mi., quarry on |  | | Journal (article/letter/editorial) | | lthough New Hampshire, the Granite State, is one of our smaller states, with an area of just 9,304 square...mineral localities for the collector. Prospecting, granite quarrying, and mining probably peaked before the...identification or location. Other supplemental information on an occurrence is given in parentheses after a locality...best occurrence at a locality it is so designated. An asterisk (*) after a mineral means that the occurrence...Conway, miarolitic cavities in decayed Conway Granite. Pit opened in 1955, 1970s brought productive collecting |  | | Journal (article/letter/editorial) | | and Trips — Nov. 1973) Minerals have always played an im portant role in man's development and progress...more literate peoples feel a hesitancy in wearing an opal if their birthdate is not in October. The principal...sawing, cutting, engraving, and polishing to such an extent that it becomes more beautiful. Many materials...the gem min erals is given below. Those marked by an asterisk are not found in Georgia. QUARTZ FAMILY...black Chrysoprase - apple green Hyalite - clear *Opal - brilliant fire GARNET FAMILY Almandite - reddish-brown |  | | 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 | | journals and other sources, Mr Firsoff has compiled an invaluable reference book for the ‘rock-hound’. ...Museum; E. G. Langholme, Secretary of The Shap Granite Co. Ltd.; R. D. Penhallurick, Assistant Curator...FIRSOFF Contents Preface and Acknowledgments v AN INVITATION I RULES AND TOOLS OF THE GAME 4 SIGNS...ROYAL GEMS 81 DUN CON Oo PWN CROSS-COURSE SPAR 87 GRANITE ACCESSORIES 96 FRUITS OF HEAT AND PRESSURE 105...VEGETABLE I4I References 146 Index 149 vii I5 I An invitation ‘Romance’ is one of those shopworn words |  | | Book | | library book that was digitized by Google as part of an ongoing effort to preserve the information in books...recently communicated to the Royal Dublin Society, an excellent paper on the mineral localities in Donegal...been inserted as far as it is possible to do so, and an attempt has been made to diminish the number of super...Mineralogy, by ROBERT JAMESON , F.G.S. Edinburgh, 1821 . An Elementary Introduction to the Knowledge of Mineralogy...WILLIAM PHILLIPS, F.G.S. Third Edition. London , 1823. An Elementary Introduction to Mineralogy, by the late |  | | | | arouse initial interest and supply the reader with an elementary knowledge of this important branch of...book is divided into two parts: the first contains an introduction to general mineralogy and a chapter...their external form, crystallography did not become an independent branch of science until the 17th and...All of them, however, have a common feature, i.e. an identical symmetry corresponding to the internal...commonly of a quartz composition such as chert, opal and chalcedony, and occur in limestones and serpentines |
|
