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| take the collector or fossicker to the sites of crystal occurrences. Such detailed guidance is not possible...Scotland 59 France 62 6 Occurrence: The Americas 63 USA 64 Mexico 72 Panama 75 Brazil 75 Canada 80 7 Occurrence:...QUARTZ Varieties Habit Pleochroism Occurrence Rock crystal (colourless), amethyst (violet-purple), citrine...quartzite (a whitish rock, fine-grained, opaque). Single crystal specimens of rock crystal, amethyst, citrine...in amethyst (blue, reddish-violet). In almost all rock types and in most countries. CHALCEDONY Agate (light |
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| ......................... THE LUMINESCENCE OF CALCITE. By AL A llen Northup .......... LINCOLN CAVERNS.......................... WORLD'S LARGEST TOPAZ CRYSTAL IN NEW YORK MUSEUM .............................. . . . . . OHIO GEMOLOGISTS GUESTS OF MINERALOGICAL SOCIETY . . 169 169 169 169 CALCITE CRYSTALS FOUND...specimens. There was nothing about the pieces of " rock" they had to arouse pride of ownership or aesthetic...ASSOCIATION ..!I Whole N o. l 06 THE LUMINESCENCE OF CALCITE M. ALLEN NORTHUP Morristown, New Jersey During |
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| month wc hove a number of very fine crystals and crystal groups obtained from our recent trip into Mexico...and crystal producing areas and obtained choice speci mens from each locality. AMETHYST CRYSTAL GEODES...than a ton of these in stock. Many with amethyst crystal interiors on agate. Some with smoky quartz xls...cubes as single xls. V2" 25c. 1" 50c SPECIAL: CRYSTAL MIX FROM MEXICO. Many types of crystals from the...CUSTOMERS, SCHOOLS, MUSEUMS, ETC. HUNDREDS OF CRYSTAL SPECIMENS ON OUR LATEST LIST. SEND FOR YOUR FREE |
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| 't rn • \1 1• \ I --.. I m rn IIl Crystal Display Stands - SALE :.r.i PRICE To June 30...clear plastic stands strong enough to support heavy rock slabs yet almost Invisible! We are now able to otter...West Federation Show July 18 through 21 Jefferson County Fairgrounds Port Towsend WA Dealer Inquiries Welcome...next year. Nome Address Clt Slate Zip Country Rock&Ge June 2002 Volume 32, Number 6 12 Minerals............... .69 MileStones ............... .76 Rock Science .............. .78 On the Rocks ....... |
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| home by Lavone Ames 42 MULTI IMAGE PHOTOGRAPHY FOR ROCK HOBBYISTS, PART 3 Special effects and hints conclude...COLUMBUS, OHIO 43229 • PHONE: 614/ 846-1500 MAILING ADDRESS: P.O. BOX 29485 • COLUMBUS, OHIO 43229 DEALER...BucfJanan L..L BURNET GEORGETOWN MARBLE FALLS Enchant Rock Park · (rratu"tt. Qua"'!J AUSTIN 9 FREDERICKSBURG...- 2.2 Hard ness (MOH) - 8 ½ Dispersion - 0.062 CRYSTAL SIZE- 20-400 CARATS EACH QUALITY: All crystals...where we admired the granite quarry. T he massive rock formation reminded me of the Arkansas farm where |
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| LAPCRAFT dealer or: 485 Schrock Road, Columbus, Ohio 43229 Ii Phone: 614-846-1500 nlNY LAPCRAFT COM...FEDERATION OF MINERALOGICAL SOCIETIES 48 A REAL ROCK SAW Offlc:411'9 Gemstone replica of a Wyoming...will find an article on making a clock from a calcite onyx slab, like the one shown on the cover. The...here. The sphere for this clock was made from calcite onyx from an area near Death Valley, California...picture). The base on which the sphere sets is also calcite onyx. It is 5 1 2 inches wide, 4 1 4 inches deep |
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| Earth SATELLITE MAPPING OF THE EARTH s 6 Calcite Physical Features 8 Geological Time Eartifs Crust...ground Moi nt a n 1 Building Volcanoes 18 The Rock Cycle Minerals Crack widened bv tree root 16 ...correctly represent areas, shapes, sizes, is Lake Erie Lake Michigan and directions, because there always...spreading I 12 Magma Magma two plates are (molten rock) to form muring apart erupts at hot spot Rift...break rock strata, deforming them and producing faults and folds. A fault is a fracture in a rock along |
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| from New Mexico. Selenite Crystals Japanese from Ohio. Twinned Chiastolite from Meteorites — Quartz...Loose Crystals. Crystals. Pseudomorph Crystals. Crystal Models. Box Mounts. Small Pyrite Crystals. ... soft a In planes. diameter occurred, “In rock mineral, "At were of large, prisms, of this...coated overcaps and crystals fine and gangue rock very now occaoccurs Minerals of a vugh two...occurring country the was few a bunches country rock, detached. but this and PbCrO4 bright, shining |
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| are Crystals? Crystal Habits 20 22 Phosphates, Vanadates, and Arsenates 147 Crystal Systems Gems ... 24 Silicates 166 What is a Rock? 26 Organics 246 Collecting Rocks and Minerals 28 Rocks Equipment...HOW THE ROCK AND MINERAL PROFILES WORK profile information (including illustration of crystal system in...KEY rhombohedral crystal PROFILE Monoclinic 4 m n o p q name of mineral or rock group 3 1⁄2 –4 3...vitreous lustre blocky, azure blue crystal Spectacular crystal This group of rhodochrosite rhombohedrons |
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| clear, orange-fluorescing topaz crystals from Boise County, Idaho. Ray DeMark of Zuni Mining and Minerals...orange-fluorescing paralstonite from the Minerva mine, Hardin County, Illinois. A s in past years, T o m Warren of Ultraviolet...greenfluorescing willemite with red-fluorescing calcite—not from Franklin, New Jersey, however. T o m Warren...Amirex Milling and Refin ing had willemite with calcite from Moctezuma Canyon, Arizona, a locality not...of Natural Crystal Rock Shop, the same dealer who recently brought out the clear calcite cleavages with |
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| Chalcedony Jasper Chalcedony Jasper Chalcedony Rock Crystal Chalcedony Agate Amethyst Apophyllite Carnelian...Schist Basalt Basalt Basalt Basalt GLOUCESTER COUNTY Belledune Point, on Chaleur Bay Serpentine Verde...Verde Antique Limestone Limestone Locality ALBERT COUNTY Hillsborough, Canadian Gypsum Company quarries...Mountain CARLETON COUNTY Woodstock, 5 miles west, at old manganese prospect CHARLO'TTE COUNTY Blacks Harbour...Harbour, on shore easterly to St. John County boundary Campobello Island Deer Island Deer Island, west side |
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147 Crystal Systems What are Crystals? Crystal Habits Gems Silicates 166 What is a Rock? Organics...HOW THE ROCK AND MINERAL PROFILES WORK profile information (including illustration of crystal system in...in mineral entries) name of mineral or rock group KEY a Hardness 4 Specific gravity VA Cleavage Fracture...formula of mineral example of rock or mineral application rock @& Fossils 8 INTRODUCTION ...chemical composition and a distinctive internal crystal structure. Most minerals are formed inorganically |
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| & SCIENCE AUCTION AUGUST 26, 2019 | DALLAS THE ROCK H. CURRIER COLLECTION OF FINE MINERALS Front Cover:...Lot 72173 Inside Back Cover: Lot 72175 Back Cover: Rock Currier with Lot 72266 Heritage Signature® Auction...Auction #5445 Nature & Science Featuring: The Rock H. Currier Collection of Fine Minerals August 26,...Enthusiast: Welcome to the slightly bent world of the Rock H. Currier Collection. Within the pages of this...tickled his unusual fancy and so were acquired. Rock (yes, that was his given name) devoted many years |
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| LAPCRAFT dealer or: 485 Schrock Road, Columbus, Ohio 43229 Ii Phone:614-846-7296 IIINJ LAPCRAFT COM...supply is exhausted. ORANGE CALCITE - This beautiful bright orange calcite is a most unique material....has a checkered appearance that details the calcite crystal growth structure of this interesting rough................ $5.95 per lb. Tourmaline. green crystal . beautiful......................................ln1ur1nce - ALL ORDERS MUST INCLUDE A $2.00 IN II In the USA - all others Including Canada must include lull amount |
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| Color? Practice? Commercial? T op-Commercial? Top Crystal Gemstone Grades or animal bones opa lized BUY...Mitchell OUR COVER Activities and happenings in the rock hobby 16 VUG COLLECTING 51 THE AMERICAN FEDERATION...San Mateo Previouslv mentioned were the annual County. Federation · convention!> and shows; Third Row...eye to what i!> "hot" on today's Woolfolk. photo . rock hobby scene. For instance. gaining Center Cupran...Author ' JEWELRY CRAFT MADE EASY And PEBBLE PETS AND ROCK RASCALS Oelu•e high ,mpaet, form-fitted car,v,ng |
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| Structure of Minerals 34 Symmetry of the External Crystal Forms 48 Physical Properties 112 Occurrence...let us see the mineralogic components of the hard rock commonly covered by soil or humus. We get a deeper...to form three-dimensional crystal lattices. It does not matter if the crystal is a natural product or produced...was ice or colorless and transparent quartz (rock crystal). This is the name that has been adopted for...any edges or lustrous faces is still termed a crystal. Its internal structure remains unchanged by this |
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| gravescompany.com lij Introducing ... GROBET USA™ 1/3 HP Flexible Shaft Permanent magnet DC motor...ALL speeds! Machine more torque Our new GROBET USA™ high-torque PM motor delivers the most powerful...Beautiful chrome finish. Precision built in the USA! Complete Flexible Machine l...Portland Regional Gem & Mineral Show Washington County Fairgrounds Hillsboro, Oregon October 4 - 6, 2002...year. Nome Address S1a1e Ci Zip _ Country __ Rock&Ge Volume 32. Number 9 September 2002 12 Fossils: |
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| appreciation is also extended to the Los Angeles County Museum of Natural History, especially to Miss...Composition of Minerals Definition of a Mineral: Crystal Form Theory and the Rockhound Crystalline Structure...Crystallize: Ionic Bonding Methods of Crystallization The Crystal Systems Twinning Pseudomorphs Mineral Classification...Minerals 81 Rock Types and Stream Drainage Patterns 88 How to Remove Specimens From Rock 89 Gold Gold...with gold and diamonds and many other minerals. Ohio and Kansas offer a wealth of quartz, pyrite, |
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| State by Harry Lovell 42 THE BUCKEYES' WESTERN ROCK SAFARI Collecting in three states by R. J. Miller...AREA ____ _ _.,..., 11•Lo••'•tt-•u• COIPI f IE ROCK SHOP PLAN NOW TO COME SEE US Call or Write For More...about 3x3 inches in size. Many of the nodules have crystal-lined pockets. MONTANA'S DRVHEAD AGATE By Colleen...the mob? Have you ever wished you could go to a rock collecting area where you could find something new...patterns are possible, and major aaaoc:lated mineral,. Rock labels Include the clualflcatlon (Mdlmentary, metamorphic |
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| LAPCRAFT dealer or: 485 Schrock Road, Columbus, Ohio 43229 Ii Phone:614-848-7298 IIINY LAPCRAFT COM...- NEW! Cuts beautiful stones and is a very hard rock mixture of these blue and green minerals and silica...rhyollte exterior surrounding a beautiful quartz crystal interior. An excellent buy at only . . . $1 .00...- ALL ORDERS MUST INCLUDE A $2.00 fee If in the USA - all others Including Canada must include full amount...SOCIETIES Annual Show. "'Gem-Main-IA". Llncoln County Gem end Mlneral Society, host. Exposition Building |
 | | Book (edition) |
| Corporate Drive, Suite 400, Burlington MA 01803, USA First published 1962 Second edition 1970 Third edition...Canada, Germany, Thailand, Vietnam, the UK and the USA, making this a truly international collaboration...mantle lies the Earth’s crust, a ‘thin’ skin of rock, less dense than the mantle, and derived from it...wide range of simple to complex rock structures. This range of rock types and their inter-relationships...white ornamental marble, composed entirely of calcite, is a good example (Figure 1.2). Most rocks, however |
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| aluminum. (complete with 1 Shp. hopper) Wt 15 lbs. ROCK RASCAL GEM MAKERS 175- 50 $89 ■ 95 All in one...•·MASTER PIECES" oul of Molher Nature's rough, herd rock$ and 51o!ies w,lh less effort Cl/Ve. shape and slol...LAPCRAFT dealer or: 485 Schrock Road, Columbus, Ohio 43229 Phone: 614-846-1500 LAPCRAF' COMPANY GEMS...YEAR OLD FOSSIL CIRCUS Build your own show with rock hound materials by Vone Luthi 54 DESIGNING JEWELRY...it would be a good idea to present some gem and rock projects related to the circus. On page 16, you'll |
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| pegmatite was mined at Barringer Hill in Llano County in the early 1900s but was flooded by Lake Buchanan...on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991). i i • I...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? — — — — best occurrence..."specimen quality" questionable occurrence Angelina County Lufkin, 1 mile N of Lufkin in railroad cuts, in...Smithville downstream from the bridge; gypsum* (crystal clusters) (Zeitner, 1972). Bastrop, S of Bastrop |
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| equal found along in the variety of minerals Its rock formation is of its borders. metamorphie origin...produced by vast movements, and we have an island of rock known as gneiss, or schist, named Manhattan schist...from Twenty-third underlaid by the same kind of rock as end, but is found in the upper covered...to the north glance at the sketch outlining the rock basement of Broad- wav from the Battery to Thirtv-third...bed rock, in some places as which is the case at Daane Street. much as 183 feet, The rock cores |
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| of some of the principal localities in the same county, was given by Messrs . Greg and Lettsom in their...locality by some independent authority, such as maps, county directories, local guide books, &c. The geological...LONDONDERRY LONGFORD LOUTH MAYO MEATH MONAGHAN . QUEEN'S COUNTY . . . SLIGO TIPPERARY TYRONE . WATERFORD...possible, the various mineral- localities in the same county around their respective post-towns. A few cases...rule, where a parish or village is situated in one county, and its post-town in another. Chains of hills |
