 | | Book (edition) | | were shaped by some accident of For instance, agate How is their formation. frequently found in...chrysoberyl cats-eye are valued chiefly for pattern, and agate and jasper among semi- precious materials are...angular, banded structure) tube, banded, moss cation (moss-like), will be frequently misled All topaz...the many types of agate, opal and petrified this region is noted. The agate is wood for which...masses such as occur in the — hollow, found geodes Iowa region, and from them weather the types of agates |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...Chrysocolla, Turquoise LJ Emerald, Beryl ^"^ Agate ** Jade Amethyst nq -* % Gem Hunter's...their color, as in emeralds; their pattern, as in moss agate; or their play of eral color, as in opals.... such as agate and jasper, are described as cryptocrystal- line. For example, an agate nodule may...cat's- more but inexhaustibly various patterns of agate and jasper. So typical are their patterns that |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE:...streams, rd. cuts, etc.agate, (banded, various colors), jasper. BIBB COUNTY MACON: at Holton Quarry |  | | Report (issue) | | I s { IOWA ft 7 ■■• A * i . ;» \ P* A 7-. ■ «*"V ' r * < •+ ' 1 ’ T, / • k’-/ 5...i S' s I . " * • * «r- ‘ ; ' Geologist, Iowa Geological Survey ' .*4** =»*' I Paul*J. Horick...Jithill * v'v* l* Iowa Geolo^ica^Survey Educational Series 2 V . - -■' ( J Iowa Geological Survey...Educational Series 2 THE MINERALS OF IOWA by Paul J. Horick Geologist Iowa Geological Survey edited by Otto...STATE OF IOWA 1974 Library of Congress Catalog Card Number: 74-620075 Available from the Iowa Geological |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Chrysocolla, Turquoise LJ Emerald, Beryl *"» Agate ** Jade =p Amethyst ^ X ) y ' £f h % ^...stones will remain." On my own table is a section of agate, cut and polished, its concentric rings of rose...their color, as in emeralds; their pattern, as in moss agate; or their play of color, as in opals. Fashion...sharp sliver of agate, such as Montana moss agate, is also useful to test minerals near agate in hardness |  | | Book (volume) | | thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare alluvial Diamond...of the Mississippi R.⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare alluvial Diamond...of the Mississippi R.⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...may be able to buy specimens. map of Keweenaw County. Mich- Part of the U.S. Geological Survey topographic...of glaciers or gravel pits, no landmarks re- Moss growth, loam deposits, or oxidation may have changed...thunder eggs dug beds in Oregon are nodules of agate, walls. TWIN CRYSTALS commonly develop Crystals |  | | Book (volume) | | Virginia VOLUME 3: THE NORTHWESTERN QUANDRANT Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska...TREASURES VOLUME ep The Northwestern Quadrant Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text...under the heading of Nebraska, on the map of Sioux County, the site x How to Use This Book indicated |  | | Report (volume) | | Edward Barrett, Indianapolis. Iowa.............. Prof. George F. Kay, Iowa City. Kansas............Prof...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 |  | | Report (volume) | | ..'........................................ 126 Iowa...................................................Barrett, Indianapolis. Iowa___ __Prof. George F. Kay, Iowa City. Kansas_____Prof. Erasmus Haworth, Lawrence...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.; |
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