 | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. Mur phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (in cluding quartz) was included |  | | Journal (article/letter/editorial) | | afalster@mainemineralmuseum.org Muzo-habit Quartz Zigras Mine, Garland County, Arkansas Q uartz, the best known of minerals...theme, Crystals and Crystal Forms, we have selected Muzo-habit quartz from the Zigras mine at Blue Springs...Springs, Garland County, Arkansas, for this issue’s Connoisseur’s Choice. Silica, SiO2, is polymorphous; alpha-quartz...that occurs as colorless anhedral grains in many rock types. Quartz has a Mohs hardness of 7 and is very...trigonal crystal system (or rhombohedral subsystem of the hexagonal crystal system). This crystal class |  | | Journal (article/letter/editorial) | | Museum of Nature and Science 2001 Colorado Boulevard Denver, Colorado 80205-5798 jmurphy @ dmns.org PETER...Survey MS 150, Box 25046 Federal Center Denver, Colorado 80225-0046 pmodresk @ usgs.gov Unless otherwise...to 2000) J oin us for a gemstone tour around Colorado! Our field trip takes us from east to west in...in the same way you may have toured through Colorado on a mineral collecting trip. This route, from the...gemstones are known to occur. We cannot discuss every Colorado gemstone occurrence; rather, this is a general |  | | Book (volume) | | A Location Guide for Rock Hounds in the United States Collected By: Robert C. Beste, PG 2014 Fourth...Fourth Edition A Location Guide for Rock Hounds in the United States Published by Hobbit Press 2435 Union...printing December, 1996 ii A Location Guide for Rock Hounds in the United States Table of Contents Page..............................................59 Colorado ................................................................389 iii A Location Guide for Rock Hounds in the United States Page Ohio ........ |  | | Report (issue) | | 978-0-9836323-2-0 Publisher Lithographie, Ltd. Denver, Colorado, USA Design and Layout Gloria A. Staebler © 2012...Lithographic, Ltd. PO Box 11613 • Denver, CO 80211 • USA Phone: 1.303.495.5521 • Fax: 1.303.482.1238 W\\w...Quartz variety amethyst, 3.5 cm tall Kakamunurle Mine, Kar0r, Tamil Nadu, India Bill Larson collection...Bottom: Quartz variety amethyst, 6.7 cm tall Wattika Mine, Murzinka, Sverdlovskaya Oblast', Russia Peter Lyckberg...petrify the frightened girl, turning her into pure crystal. Various versions impute all sorts of reprehensible |  | | Book (volume) | | A Location Guide for Rock Hounds in the United States Collected By: Robert C. Beste, PG 1996 Second...Second Edition A Location Guide for Rock Hounds in the United States Published by Hobbit Press 2435 Union...63125 December, 1996 ii A Location Guide for Rock Hounds in the United States Table of Contents Page..............................................47 Colorado ................................................................333 iii A Location Guide for Rock Hounds in the United States Ohio ............. |  | | Book (volume) | | A Location Guide for Rock Hounds in the United States Collected By: Robert C. Beste, PG 2005 Third Edition...Edition A Location Guide for Rock Hounds in the United States Published by Hobbit Press 2435 Union...63125 December, 1996 ii A Location Guide for Rock Hounds in the United States Table of Contents Page..............................................47 Colorado ................................................................333 iii A Location Guide for Rock Hounds in the United States Page Ohio ........ |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...Search of a Whale Wild Season Incident at Hawk’s Hill Wilderness Empire Johnny Logan The Wilderness...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...eae ta - slactiy ten * ate cal —_ |™ ae Hea» La A. CONTENTS Volume 4A How to Use This Book ...Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE THIS BOOK |  | | Book | | Minerals The Rock-Hunter's Range Guide Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of...Ransom EMS of and MINERAL AMERI A A Guide to Rock Collecting HARPER & ROW, PUBLISHERS ....... New...form in A Range Guide to Mines and Minerals and The Rock-Hunter's Range Guide, both by Jay Ellis Ransom....Foreword xi xiii Part I: The Fundamentals of Rock Collecting 1. Rocks, Minerals, and Gemstones 1...Serpentines; The Metamorphic Rocks; Metamorphic Rock Types; Collectable Metamorphic Gemstones and Minerals; |  | | Book | | information b Book review c Crystal morphology information d Crystal drawing ff Continues on following...193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON |  | | Book (volume) | | (25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...events to bring the history of North American gem mining up to date. Here, then, is the latest, most complete...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout... most likely in Canada. Systematic large-scale mining of sapphire-bearing gravels in Montana is beginning |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................about 1,250,000 barrels. The production of natural rock cement was five times the combined production and...than 86,000,000 barrels. The production of natural rock cement and the imports of foreign cement are so...to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to |  | | Report (volume) | | about 1,250,000 barrels. The production of natural rock cement was five tunes the combined production and...than 80,000,000 barrels. The production of natural rock cement and the imports of foreign cement are so...it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Easy-to-understand instructions for recognizing rock formations; glossary. How to identify gem minerals...is a precise explanation of h< to recognize the rock formation* which gems occur. The tabular Gem ... test samples in the field for/ hardness, crystal formation," (continued on back flap) r 1° *o...M Tourmaline fQl Ruby, O Sapphire Quartz crystal 'y^ Garnet — Azu rite, Malachite, Chrysocolla |  | | Journal (issue) | | ..... 370 AFAMOUS FORGOTTEN QUARTZ CRYSTAL LOCALilY, CRYSTAL HILL NEAR DELAWARE WATER GAP, PA. By 0....·······-··········· 372 MARSHAL L PLAN Ams ALGERIAN MINING •·•·························· ...................collectors. But even !hose who have never picked up a rock are wondrously impressed with a certain type of...outdoor photography, drove me from Los Angeles County via las Vegas to the locality in southwestern Utah... to satisfy someone's curiosity about the local rock phenomenon, and listen patiently to many a "wild |  | | Book (volume) | | Ohio OHIO Only Paleozoic rock formations underlie Ohio’s Pleistocene surface debris and Quaternary soils...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...areas of drainage in 336 A Location Guide for Rock Hounds in the Untied States townships of Franklin...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE |  | | Book (volume) | | Ohio OHIO Only Paleozoic rock formations underlie Ohio’s Pleistocene surface debris and Quaternary soils...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...areas of drainage in 336 A Location Guide for Rock Hounds in the Untied States townships of Franklin...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE | | | Book (volume) | | rhoColorado; eolorless scheelite (19.66 cc), Kern Cowny, California;...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout... most likely in Canada. Systematic large-scale mining of sapphire-bearing gravels in Montana is beginning...conventional open-pit methods and the enclosing rock crushed and treated to release the crystals. Red |  | | Book | | A&l Studio Press • P.O. Box 45791 • Little Rock AR 72214 • USA • 501-847-6575 flack/iauncffng Arkansas... Front cover, quartz crystal from Ron Coleman mine, back cover, quartz crystal from Mount Ida region...rockhounding, computers and printing, and to the shop and mine owners who took time to visit with us. Dedicated...Arkansas................................. 5 The major crystal belt 2. Getting Ready to Collect..................................... 33 Surface collecting and mining the veins 4. Cleaning and Trimming............ |  | | Book | | vugs of crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described |  | | Journal (issue) | | ....... 20 5 COLLECTING AT SAINT PETERS DOME, COLORADO. By W endell Mohr .... 206 CI1Y OF SCULPTIJRE...l THE GEOLOGY OF LOWER MILFORD TOWNSHIP, LEHIGH COUNTY, PA. ( Part l ). By Charles W . Brown ...........DINNER MEETING OF THE MI NERALOGICAL SOCIETY OF THE DISTRICT OF COLUMBIA. By Philip R. Cos111insky .. 21 6.......................................... 222 THE ROCK CANDY MOUNTAINEERS TAKE ANOTHER CRACK AT IT. By...(Richard M. Pearl, Convention Chairman, Colorado College, Colorado Springs, Colo.) 9th Annual Convention |  | | Journal (article/letter/editorial) | | MINERALS A FAMOUS FORGOTTEN QUARTZ CRYSTAL LOCALITY CRYSTAL HILL NEAR DELAWARE WATER GAP, PENNA. By O...color and form* as well as its durability, and rock crystal in particular, has a strong appeal to both the..."I found them recently in a woodchuck hole at Crystal Hill ! There were around 700 of them of which these...overlooked when I got home." "And where might Crystal Hill be?" "In Pennsylvania, not far from Delaware...do you get there?" "Well, it's not a mine or quarry or even a hill one can point out, but just an obscure |  | | Journal (issue) | | ........................ 460 1HE SCARLET COPPER MINE, N. C. By C. Henry King ..........................quarters, in the heart of the New York Jewelry district, are four times larger than those formerly had...Boulder Bec!ch on Lake Mead. Nevad~ The Clark County Gem Collectors, Inc. (Paul 0 . Drury, Publicity...explorations to the country surrounding the famous silver mining town of Cobalt. Later, by means of hitch hiking...Mapping Expedition Mr. Donald Russell, a dealer in mining equipment. gave me a series of Cobalt • 452 |  | | Book (volume) | | A Location Guide for Rock Hounds in the United States NEBRASKA This rectangular Great Plains state rises...Kimball Co. where it overlooks both Colorado and Wyoming. The subsurface rock strata of the entire state are...borderland from Sheridan Co. to the Wyoming line is good rock hunting country, especially along the southern slopes...of Crawford in Dawes Co. and the rather extensive rock beds east of the Orella railroad sta. ranks among... The Sandhills Museum in town is well worth the rock hunter’s visit. Draws, cuts and breaks in the hills |  | | Book | | tl1e n1ore tl1a11 tl1ree 1nillion followers of the rock hobby in A1nerica, 1)artict1larly by the half 111illio11...muset11ns, and service clt1 bs fro1n coast to coast; his rock travels in tl1e field; but 1)artict1larly his ex1)erience...favorite gem-tl1e agate. THIS IS LELAND£ QUICK La Jolla ( ,5an l)irgo). (,laliforllia .. Vil •...ty1)ecl by Wilcla Boyer of La Jolla, California. AFTER A 1 Lt::LANDJ:: Qu1cK La Jolla (San Dicg;o), (ialifor11ia...three million persons in the United States followed rock collecting as a hobby. 11any of these 1Jeople have |
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