	*Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893*	Journal (article/letter/editorial)
	Postcard view of the Waukon iron mine, Allamakee County, cia. 1912. John Taylor collection. ARTHUR E ...Iowa Geological Survey. Localities by County Allamakee County Lansing, Lansing lead mines = Captain...smithsonite, sphalerite (Hey1 and West 1982). Appanoose County Centerville gypsum mine; abandoned underground... Vernon, Van Buren Co. Coralville, Johnson Co. County Fairgrounds, Dubuque Co. Cresco, Howard Co. Decorah...Co. Fort Dodge, Webster Co. Four County quarry, Johnson Co. Georgia Pacific Corporation mine, Fort Dodge
	*(1950) World News on Mineral Occurrences. Rocks & Minerals, 25 (3) 148-154 doi:10.1080/00357529.1950.11768292*	Journal (article/letter/editorial)
	pale smoky crystals, from the Center, Cherokee County, Ala., locality and that they are very good. This...Madison County. "Beryl: as light golden crystals, fractured but gemmy, from near Hissop, Coosa County." Arizona—A...Las Vegas, Nev., publicity director of the Clark County Gem Collectors, carried the following paragraph...locality is the south shore of Lake Mead, Mohave County, Ariz. Another letter from Mr. Drury contained...(petrified wood) are found 3 miles west of Piggott, Clay County, Ark. California—A new California mineral is perovskite
	*Dietrich, R. V. (1970) Minerals of Virginia. Research Division Bulletin* 47. Virginia Polytechnic Institute**	Report (issue)
	C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated “check list” just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...(Cairngorm) (Blue quartz) (Rose quartz) (Star quartz) (Chalcedony) (Agate) (Prase) ' (Onyx) (Jasper) (Opal) Tridymitc...(Haydcnitc) 9 Virginia Mineral Localities by County This list is included for possible aid in planning...listed only* if localities arc given for them. The county lists do not include com mon rock-making materials
	*Schrader, FC, Stone, RC, Sanford S. (1914) Useful minerals of the United States. Bulletin* Vol. 585. US Geological Survey doi:10.3133/b585**	Report (volume)
	Florida............Dr. E. H. Sellards, Tallahassee. Georgia..........Dr. S. W. McCallie, Atlanta. Illinois...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby
	*(1917) Useful minerals of the United States. Bulletin* Vol. 624. US Geological Survey doi:10.3133/b624**	Report (volume)
	............................................. Georgia..................................................Florida-______Dr. E. H. Sellards, Tallahassee. Georgia,_____Dr. S. W. McCallie, Atlanta. Idaho______.Mr...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.;
	*Zodac, Peter (1951) Trip through Ohio —Indiana — Kentucky. Rocks & Minerals, 26 (7) 355-370 doi:10.1080/00357529.1951.11768205*	Journal (article/letter/editorial)
	on U. S. 30 in Pittsburgh. 712.3 miles — Beaver County Line (Perm.). 725.9 miles—West Virginia Line on...part of Canton, a nice city and the county seat of Stark County, on our way out. 785.4 miles—The Klinks...Tuscarawas River which we crossed. 800.1 miles—Wayne County line. 814.8 miles—Wooster, on U. S. 30. 820.2 miles—Jefferson...silvery flakes of muscovite. 826.9 miles—Ashland County line. 831.7 miles—We turn right on Ohio 80. ROCKS...nice dark brown jasper pebble. 846.3 miles—Loraine County line. 856.2 miles — Black River crossed— only about
	*Smith, Richard W. (1931) Shales and Brick Clays of Georgia. Bulletin* 45. Geological Survey of Georgia**	Report (issue)
	GEOLOGICi\L SURVEY OF GEORGIA S. W. McCALLIE, State Geologist BULLETIN NO. SHALES AND 45 BRICK...BRICK CLAYS OF GEORGIA BY RICHARD W. SMITH Assistant State Geologist 1931 STEIN PRINTING COMPANY ATLANTA...ATLANTA, GEORGIA THE ADVISORY BOARD OF THE Geological Survey of Georgia IN THE YEAR 1931 (Ex-Officio)...ExcELLENCY, RICHARD B. RUSSELL, JR., Governor of Georgia PRESIDENT oF THE BoARD RoN. JOHN B. WILSON __... LETTER OF TRANSMITTAL GEOLOGICAL SURVEY OF GEORGIA, ATLANTA, SEPTEMBER 1, 1931. To His Excellency
	*Williams, Albert Jr. (1888) Useful Minerals of the United States. United States Geological Survey.*	Book (edition)
	mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior
	*Beste, Bob (2014) Location Guide for Rockhounds in the United States* (4th ed.) Vol. 4 - Part IV - South Dakota through Wyoming.**	Book (volume)
	beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE:  area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles...of rd. a few yds., outcropRose Quartz. DOUGLAS COUNTY CORSICA, S on US 281 to Armour, area rd. cuts,
	*Beste, Bob (2005) Location Guide for Rockhounds in the United States* (3rd ed.) Vol. 3 - Part III - Ohio through Wyoming.**	Book (volume)
	that is mostly a mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty...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...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay
	*Beste, Bob (1996) Location Guide for Rockhounds in the United States* (2nd ed.) Vol. 3 - Part III - Ohio to Wyoming.**	Book (volume)
	that is mostly a mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty...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...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay
	*Erd, Richard C., Greenberg, Seymour S. (1960) Minerals of Indiana. Bulletin* 18. Indiana Geological Survey**	Report (issue)
	collection of geodes from Big Walnut Creek, Putnam County; and many quarry operators for granting us permission...Indians knew of and used Wyandotte Cave in Crawford County (4).2 Ball (1941, p. 39) summarized the various...The Indians found that Wyandotte Cave, Crawford County, Ind., contained two desirable products, a jaspery...car__________ 2 Localities are given by the name of the county followed by a number in parentheses. This number...AND DISTRIBUTION 13 Kentland in southern Newton County. Here middle Ordovician limestones and dolomites
	*Beste, Bob (1996) Location Guide for Rockhounds in the United States* (2nd ed.) Vol. 1 - Part I - Alabama to Idaho.**	Book (volume)
	..........................................122 Georgia .................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy
	*Beste, Bob (2005) Location Guide for Rockhounds in the United States* (3rd ed.) Vol. 1 - Part I - Alabama through Idaho.**	Book (volume)
	..........................................122 Georgia .................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy
	Kunz, Geo. F. (1891) (1.) Tysonite and Bastnäsite; (2.) Meteoric Iron from Indian Valley Township, Virginia; (3.) Anatase; (4.) Sapphire. Mineralogical Magazine and Journal of the Mineralogical Society, 9 (44) 394-396 doi:10.1180/minmag.1891.009.44.08	Journal (article/letter/editorial)
	Meteoric Iron from Indian Valley Town- ship, Floyd County, Virginia. This mass of meteoric iron was found...pseudomorphous after pyrites, eyanite in broken crystals, chalcedony, calcite, and fine ruby-red garnet. From these
	*Beste, Bob (2014) Location Guide for Rockhounds in the United States* (4th ed.) Vol. 2 - Part II - Georgia through Montana.**	Book (volume)
	Location Guide for Rock Hounds in the United States GEORGIA Georgia’s nearly 59,000 square miles makes it the...highest elevation in the state at 4,784 feet. 145 Georgia Beginning in the northwest, where the Lookout...mountains loom over rich agricultural valleys, Georgia easily divides into five major physiographic provinces...The first real Gold Rush in America occurred in Georgia following two simultaneous discoveries of Gold... some Ruby-red Corundum, Spodumene and Topaz. Georgia has been actively prospected for gold since colonial
	*Zeitner, June Culp (1968) Appalachian Mineral & Gem Trails. Lapidary Journal, Inc.*	Book
	_ _ .... ____________________ ..... CHAPTER 11 Georgia 1 CHAPTER 12 Alabama 0 0 . . . . . . . . _...y ' s f i r s t g o l d r u s h a t Dahlonega, Georgia. S o m u c h gold w a s f o u n d b y eager prospectors...t a r t o f t h e C i v i l W a r . O t h e r Georgia counties a n d n e i g h b o r i n g s t a t e...f gold! Gold c a n s t i l l be f o u n d i n Georgia a n d i n t h e r i v e r s a n d streams o f i...e , S p a r t a n b u r g , U n i o n , Oconee Georgia: Cherokee, Dawson, L u m p k i n , M c D u ff i
	*Dietrich, Richard V. (1963, March) Virginia Mineral Localities (Supplement II) Bulletin of the Virginia Polytechnic Institute* Vol. 54 (5) The Virginia Polytechnic Institute**	Journal (issue)
	TeHurium Sulphur Dinmond Gra1,hitc GOLD Albemarle County.-"Streaks" occur in quartz veins in slate belt...east of South western Mt. (ll. 8). Buckingham County.-A placer gold specimen about 7 x 10 x 17 mm. which...collections of the Smithsonian Institution. Culpeper County.-Two specimens with flakes of gold up to 1 cm....collections of the Smithsonian Institution. Dinwiddie County.-Two specimens from the Whitehall Mine with gold...error and should refer to Spotsylvania County.) Fairfax County.-A specimen of gold with galena in quartz
	*Brown, Hugh (1941) The American Mineral Guide. Western Mineral Exchange, Seattle.*	Book
	Co. Hematite CALERA, Shelby Co. Wavkllite CLAY COUNTY, Sec. 24. T. 19 S R., 7 E. STATUARY, Coosa Co...Co., (W. border of* Marble Crystalline TALLADEGA COUNTY Marble, (crystalline) VALLEY HEAD, DeKalb Co. Hematite...Feldspar HISSOP, Coosa Co., (near) Beryl JACKSON COUNTY Hematite KENNEDYS, Clay Co., (near) Magnetite MILLERVILLE...Azurite CLIFTON-MORENCI DISTRICT, Greenlee Co Chalcedony DEER CREEK, Gila Co., near Jasper GEALE MOUNTAINS...milepost No. 87, on Atchison, Topeka & Santa Fe R.R. Chalcedony PATAGONIA, Santa Cruz Co., (5 mi S. of, Alunite
	*Horick, Paul J. (1974) The Minerals of Iowa. Educational Series* 2. Iowa Geological Survey**	Report (issue)
	intergrown with crystalline quartz and milky or gray chalcedony. C. Geode containing brown dolomite crystals...crystalline calcite. Capillary millerite on quartz and chalcedony. A few pyrite grains included. 10) A. Combination..."coldwater agate" from Benton County showing gray and white chalcedony and crystalline quartz. C. Close-up...made from "coldwater agate" material of Keokuk County..................................................Another variation of "coldwater agate" from Keokuk County. C. Quartz geode. D. Doubly terminated quartz crystals
	*MacFall, Russell P. (1969) Gem Hunter's Guide* (4th ed.) Thomas Y. Crowell Company, New York.**	Book (edition)
	describes sites under of the nearest town and county. and the many maps included book contain such...nodule may contain a center of surrounded by chalcedony easily discernible quartz crystals that crystalline...mass. Tenacity is a quality closely allied chalcedony and jasper, because of their makeup, are tougher...granite except and cools, gas pockets may be chalcedony or opal, de- dissolved from the lava. Similarly...northern Idaho. the cells with silica, or a cast of chalcedony space left Two other formations create conditions
	(1952) Annotated bibliography and index map of sulfur and pyrites deposits in the United States and Alaska (including references to July 1, 1951) Circular 157. US Geological Survey doi:10.3133/cir157	Report (issue)
	Lake County - 2, 4 Coso Range deposits, Inyo County - 14 Coyote Mountain deposits, Imperial County - 13...Chance Range) mine, Inyo County - 9, 11, 15, 16, 17 Elgin mine, Colusa County - 6, 12 Full Moon deposit...deposit, Imperial County - 13 The Geysers, Sonoma County - 1, 18 Leviathan mine, Alpine County - 7, 17 Sulphur...Sulphur Bank mine, Lake County - 2, 4, 5, 6, 8, 12, 17; S 7 Supan deposits, Shasta County - 3; S 7 3. Goldman...hot springs area known as "The Geysers, " Sonoma County. Data given on temperatures, composition of water
	*O'Donoghue, Michael (1987) Quartz. Butterworths.*	Book
	Scotland 59 France 62 6 Occurrence: The Americas 63 USA 64 Mexico 72 Panama 75 Brazil 75 Canada 80 7 Occurrence:...553 0.009 0.013 2.651 7 2.58-2.64 61/z Chalcedony 1.53-1.54 QUARTZ Varieties Habit Pleochroism...almost all rock types and in most countries. CHALCEDONY Agate (light to dark colours in concentric bands...bloodstone (dark green with red flecks, opaque), chalcedony (grey or blue without banding, translucent; a...sedimentary rocks. In these sites it forms geodes of chalcedony or of single recognizable crystals; generally
	*MacFall, Russell P. (1975) Gem Hunter's Guide* (5th ed.) Thomas Y. Crowell Company, New York.**	Book (edition)
	MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...easily discernible quartz crystals surrounded by chalcedony that is crystalline only to the eye of the microscope...a quality closely allied to fracture pattern; chalcedony and jasper, because of their cryptocrystalline...rock cools, leaving a mold in which casts of chalcedony form. Or the tree substance may be replaced slowly...eye at once. Both agate and jasper are forms of chalcedony, but agate is translucent, jasper is opaque.
	*(1971) March - April 1971. The Mineralogical Record* Vol. 2 (2) The Mineralogical Record, Inc.**	Journal (issue)
	level. The club winners may then compete on the county or state level. These winners may then go on to...from the United States was probably the San Benito County, California neptunites in care fully selected...Geol., 57, 453-455, 1962), and at Troy, Lincoln County, Missouri (Heyl, op. cit., and personal com munications...region during his reconnaissance mapping of Floyd County, Virginia (Dietrich, 1959). His inter est was...the blue quartz of the Little River Gneiss of the county appears not to contain rutile; 2) other minerals

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Chalcedony from Floyd County, Georgia, USA

Chalcedony from
Floyd County, Georgia, USA