Agates Bibliography

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1079Gaertner, H.1971Achate, Steinerne Wunder der Natur. Alles/Brillant Fachverlag: Friendrichsdorf. p. 1-71.
1080Gaertner, P.1957Gem and Mineral Hunting in Georgia: Lapidary Journal, v. 11, no. 1, p. 34, 36, 37. Kingston, Bartow Co., Cordele, Crisp Co., andRoundrock, Jones Co.
1081Gail, R. W.1967Fabulous Stinkingwater---Oregon's Treasure Land: Lapidary Journal, v. 21, no. 1, p. 120 - 131. Belvadee Agate, Stinking Water area.
1082Gail, R. W.1972High Desert Beach Agates: Lapidary Journal, v. 26, no. 3, p. 538 - 545. Oregon, lake deposits 30 mi S of Burns
1083Gaines, R. V.1946aCollecting minerals in the Middle East: Rocks and Minerals, v. 21, no. 4, p. 208-210. (Abyssinia, Ethiopia)
1084Gaines, R. V.1946bMineral collecting in India: Rocks and Minerals, v. 21, no. 8, no. 483-489. Kalyan area.
1085Gali, G.1965How we came to find the Biggs Canyon Jasper: Lapidary Journal, v. 19, no. 3, p.350-351. Oregon
1086Gallagher, B.1982Ancient lapidary arts, Florida style: Lapidary Journal, v. 36, no. 3, p. 580-583. archeology
1087Galli, S.1983A high-quality lapidary shop in the heart of the Italian Alps: Lapidary Journal, v. 37, no. 9, p. 1272-1274.
1088Ganeyev, I. G.1975Structure and properties of silicate melts: Geochemistry International, v. 11, no. 2, p. 329-337. After Moxon, 1996.
1089Gan-Timur, V.1963Gems of Queensland: Gems and Minerals, no. 308, p. 14 - 16.
1090Gardiner, G.1966Mineral hunting in the Parsboro, Nova Scotia area: Rocks and Minerals, v. 41, no. 1, p. 85-91.
1091Garlick, D., and Jones, F. T.1990Deciphering the Origin of Plume-Textured Geodes: Journal of Geoscience Education, v. 38, p. 299. Cocos Geodes, Brazil.
1092Garrels, R. M.1959Mineral Equilibria: Harper & Brothers, New York, 254 p.
1093Garrison, P., Mrs.1973The rocks of Texas: Rocks and Minerals, v. 48, no. 2, p. 90-92.
1094Gary, M., McAfee, A. Jr., and Wolf, C. L., eds.1972Glossary of Geology: American Geological Institute, Washington, D. C., p. 1-805, A1-A52.
1095Gates, C. H.1971Beachcombing for gemstones on Grand Manan Island: Lapidary Journal, v. 24, no. 12, p. 1620-1624. Whale Cove, Bloodstone
1096Gaumer, A.1967How we found the "Priday Queen" Agate: Lapidary Journal. v. 21, no. 7, p. 836-842. Oregon.
1097Gaweda, A., and Ryzmelka1992"Bituminous agates" from rhyolites in the environs of Nowy Kosciol, Lower Silesia: Mineralogia Polonica, v. 23, no. 1, p. 73-84.
1098Geeslin, J. H., and Chafetz, H. S.1982Ordovician Aleman Ribbon Cherts, an example of silicification prior to carbonate lithifaction: Journal of Sedimentary Petrology, v. 52, no. 4, p. 1283-1293.
1099Geilmann, W.1956Beitrage zur Kenntnis alter Glaser, IV. Die Zersetzund der Glaser im Boden: Glastechn. Ber. v. 29, no. xx, p. 145-168.
1100Geisinger, I. L.1971Cold Rock Ranch: Gems and Minerals, no. 410, p. 30-32. CA, FT.
1101Genth, F. A., and W. C. Kerr1885The Minerals and Mineral Localities of North Carolina: Raleigh, North Carolina. p. 41.
1102Gentile, C.1977How to polish opal: Lapidary Journal, v.31, no.8, p. 1816-1817.
1103George, R. L.1978Man and Chert in western Pennsylvania: Rocks and Minerals, v. 53, no. 3, p. 104-107. Archeological.
1104Gerdes, G. C., and Proud, R. F.1967Adoption of a state Rock: Legislative Bill 253, State of Nebraska, 1967, Session Laws, p. 2058. Prairie Agate.
1105Gerdes, G. C., Proud, R. F., and Matzke, S. A.1967Adoption of a State Gem Stone: Legislative Bill 251, State of Nebraska, 1967. Session Laws, p. 2057. Blue Agate.
1106Gergens, P. J.1858Uber die Konferven-artigen Bildungen in manchen Chalzedon-Kugeln: Neues Jahrbuch Mineralogie, Geogn. Geologie, Petrefaktenkde., Jg. 1858. p. 801-807.
1107Gertsch, E.1998Am Quebrada de Jaspe: Lapis, 6, 1998, p. 42-45. Venezuela jasper locality.
1108Getsee, G. P.1973More about Florida black coral: Lapidary Journal, v. 27, no.2, p. 416, 417.
1109Getsinger, F.1961Agate in Arizona: Lapidary Journal, v. 15, no. 3, p. 316-318.
1110Ghiurca, V.1989Gemological raw materials in the Oligocene deposits of Romania: [In The Oligocene from the Transylvanian Basin, Romania] (Petrescu, Iustinian, editor) Universitea din Cluj-Napoca, Cluj-Napoca, Romania, Meeting, May 20, 21, 1988, p. 469-474.
1111Ghiurca, V.1997Geologia resurselov gemologice din judetu Alba [The geology of gems from Alba, Romania]: Studia Universitatis Babes-Bolyai Geologia, v. 42, no. 2, p. 25-32.
1112Gibbons, A. M.1878Liesegang rings and agate building: Colorado-Wyoming
1113Giggenbach, W. F.1988Geothermal solute equilibria: Derivation of Na-K-Mg-Ca geoindicators. Geochimica et Cosmochimica Acta, v. 52, p. 2749-2765.
1114Giggenbach, W. F., Gonfiantini, R., Jangi, B. L., and Truesdell, A. H.1983Isotopic and chemical composition of Parbati Valley geothermal discharges, NW-Himalaya, India: Geothermics, v. 12, p. 199-222.
1115Gilchrist, H.1960Agate Cliff of Central Oregon: The Mineralogist, v. 28, no. 4, 5, p. 61, 62, 64.
1116Gilliam, J.1976Ole Compadre! Mexico is fun: Lapidary Journal, v. 30, no. 5, p. 1300-1302. Field Trip, Chihuahua
1117Gilmore, E. L.1960Which were the Original Twelve Gemstones of the Biblical Breastplate: Lapidary Journal, v. 14, no. 3, p. 242-247.
1118Gilmore, E. L.1968Which were the original twelve gemstones of the first biblical breastplate: Lapidary Journal, v. 22, no. 9, p. 1130-1132.
1119Ginzburg, D.1998On the identification of the biblical Shevo Stone [abstract]: in Israel Geological Society Annual Meeting, 1998 (Weinberg, R., et al, editors) Annual Meeting Israel Geological Society, 1998, March 23, 24, 1998, Mitzpe Ramon, Israel, p. 36.
1120Girard, R. M.1964Texas Rocks and Minerals, An Amateurs Guide: Bureau of Economic Geology, University of Texas, Austin, Texas, 109 p.
1121Gislason, S. R., Heaney, P. J., Oelkers, E. H., and Schott, J.1997Kinetic and thermodynamic properties of moganite, a novel silica polymorph: Geochimica and Cosmochimica Acta, v. 61, p. 1193-1204.
1122Glackin, J.1972Opal Idiosyncracies: Lapidary Journal, v. 26, no. 9, p. 1368-1373.
1123Glackin, J. J.1972Where's the fire, Mac?, Rock & Gem, v. 2, no. 2, p. 24-28, 36. Opal.
1124Glasgow, R.1977Agate for Tiffany-style lamps: Gems and Minerals, no. 477, p. 10, 11, 56-60.
1125Glazova, T. A., and Ostroumov, M. N.1991Uzorchatty I mnogotjuetnyy kameni s Urala-shaytanskii pereliut [Shaytanka ornamented and multicolored stone from the Urals]: Mineralogickeskiy Zhurnal, v. 13, no. 6, p. 104. December, 1991.
1126Gleick, J.1987Chaos. Making a New Science: Penguin Group, Viking Penguin Inc., New York. 352 p.
1127Glover, S.1949Origin and Occurrences of Gem Stones of Washington: Department of Conservation and Development, Olympia, Washington, Report of Investigation, no. 16, 32 p. Lists many sites in Washington.
1128Goddard, A. N.1949Opal superstition: Reprinted from The Conglomerate in The Mineralogist, v. 17, no. 10, p. 494, 496, 498.
1129Goddard, M. G.1938The growth of bands in agates. The Mineralogist, v. 6, no. 10, p. 11
1130Goddard, M. G.1942The story of flint: The Mineralogist, v. 10, no. 10, p. 299, 300, 325, 326.
1131Goding, S. O.1952Angel in Egg: The Mineralogist, v. 20, no. 4, p. 186, 188. Picture rock
1132Godovikov, A. A., Nenasheva, S. N., Pavlychenka, V. S., and Ripinen, O. I.1999New lutecite finds: Transactions (Doklady) of the SSSR Academy of Sciences, Earth Science Section 320, p. 169-174
1133Godovikov, A. A., Ripinen, O. I., and Motorin, C. G.1987Achate: Moskva, Izd. Nedra. (in Russian)
1134Godovikov, A. A.1991Wunderschone Achate von den Fundstellen der Mongolei. [Beautiful agates from localities in Mongolia]: Mineralien Magazin, Lapis, 12/91, p. 35-39.
1135Goerg, R.1929Der Achat. --- Aus der Heimat: Naturwissenschaftliche Monatsschrift, v. 42, no. xx, p. 5-13.
1136Goerg, R.1930Der Moosachat. --- Aus der Heimat: Naturwissenschaftliche Monatsschrift, v. 43, no. xx, p. 142-146.
1137Goldman, H. B.1959Franciscan Chert in California aggregates: California Division of Mines, Special Report 55, 28 p.
1138Goldschmidt, V. M.1954Geochemistry: Oxford University, Clarendon Press, 730 p.
1139Goll, M., Lippolt, H. J., Hess, J. C., and Hoefs, J.1995Alteration von Rotliegend Vulkanitem im Thuringer Wald: Terra Nostra, Schritfen der Alfred Wegner Stiftung, 7/95, p. 46.
1140Gonsarov, V. I., Gorodinskij, M. E., Pavlov, G. F., u. a.1987Chalcedone der nordostliches USSR: Moskva Nauka (in Russian)
1141Goodchild, J. G.1899aGuide to the collection of Scottish Agates: Royal Scottish Museum, Edinburgh, H.M.S.O. 1920 reprint.
1142Goodchild, J. G.1899bOn the genesis of some Scottish minerals: Proceedings Royal Physical Society, Edinburgh, v. 14, no. xx, p. 181-220.
1143Goodchild, J. G.1900Agates, Carnelians, and Jaspers: Transactions of Scottish Natural History Society, I, p. 152-174.
1144Goodwin, J.1956Ellensburg's Biggest Blue: Northwest Mineral News. v. 15, p. 45.
1145Gordon, B. F.1939Vein Silicates: The Mineralogist, v. 7, no. 12, p. 435-436. cf. nodular agates
1146Gordon, R., Rev.1970One man's theory - "Hail and Farewell Agates": Lapidary Journal, v. 24, no. 5, p. 740-742. Chuckawalla agates, sic.
1147Gordon, R.1972Geodes and their checkered parts: Lapidary Journal. v. 25, no. 10, p. 1436-1441. Hauser Beds, Wiley Well, CA
1148Gosse, R.1968Gemstone occurrences in Vermont: Lapidary Journal, v. 22, no. 5, p. 700-710.
1149Gosse, R. C.1959The gem varieties of opal: Rocks and Minerals, v. 34, no. 11, 12, p. 487-490.
1150Gosse, R. C.1960Wyoming's Sweetwater Agate: Rocks and Minerals. v. 35, no. 9, 10, p. 451.
1151Gosse, R. C.1961aSome Connecticut Gemstone Localities: Lapidary Journal, v. 15, no. 5, p. 576-578.
1152Gosse, R. C.1961bBrown jasper in Massachusetts: Rocks and Minerals, v. 36, no 1, 2, p. 4.
1153Gosse, R. C.1964aAgates of the New England States: Lapidary Journal, v. 18, no. 1, p. 192-194.
1154Gosse, R. C.1964bGemstones of New Brunswick, Canada: Lapidary Journal, v. 18, no. 1, p. 269-270.
1155Gosse, R. C.1964cGemstones on the Islands of Alaska: Lapidary Journal, v. 18, no. 4, p. 514-517.
1156Gosse, R. C.1964dGemstones of Nova Scotia: Lapidary Journal, v. 18, no. 6, p.706-710.
1157Gosse, R. C.1968A gravel pit at Saratoga, New York: Rocks and Minerals, v. 43, no. 4, p. 266. FT, NY
1158Gosse, R. C.1969aA catalogue of Massachusetts gemstones - Hampshire County (Part 1): Rocks and Minerals, v. 44, no. 1, p. 24-29.
1159Gosse, R. C.1969bA catalogue of Massachusetts gemstones - Essex County (Part 2): Rocks and Minerals, v. 44, no. 2, p. 196-198.
1160Gosse, R. C.1969cA catalogue of Massachusetts gemstones - Essex County (Part 3): Rocks and Minerals, v. 44, no. 4, p. 276-277.
1161Gosse, R. C.1969dA catalogue of Massachusetts gemstones - Hampden County (Part 4): Rocks and Minerals, v. 44, no. 5, p. 356-360.
1162Gosse, R. C.1969eA catalogue of Massachusetts gemstones - Franklin County (Part 6): Rocks and Minerals, v. 44, no. 7, p. 516-519.
1163Gosse, R. C.1969fAgate at Saratoga Springs, New York State: Rocks and Minerals, v. 44, no. 9,10, p. 656-657.
1164Gosse, R. C.1969gA catalogue of Massachusetts gemstones - Bristol, Middlesex, Suffolk counties (Part 8): Rocks and Minerals, v. 44, no. 9,10, p. 678-679. Prase
1165Gosse, R. C.1969hA catalogue of Massachusetts gemstones - Barnstable, Dukes, Nantucket, Plymouth counties (Part 9): Rocks and Minerals, v. 44, no. 11, p. 758-759
1166Gosse, R. C.1970Index of gemstone occurrences - New Brunswick, Canada: Rocks and Minerals, v. 45, no. 6, p. 432-433.
1167Gosse, R. C., and Warren, F. J.1964The Gemstones of Newfoundland: Lapidary Journal, v. 18, no. 1, p. 267-269.
1168Gotsch, P.1978An abundance of agates: Lapidary Journal, v. 32, no. 9, p. 2052 - 2055. lakers
1169Gotsch, P.1985Commanding cabochons: Lapidary Journal, v. 38, no. 6, p. 26, 27. Laguna, Bruneau, Botswana.
1170Gotze, J.1994Zur Kathodolumineszenz vom SiO2__Bh: European Journal of Mineralogy?, v. 6, p. 78. (not seen)
1171Gotze, J.1996Kathodoluminexzenz von Quarz - Grundlagen und Anwendung in den Geowissenschaften: Aufschluss, v. 47, no. 6, p. 145-164.
1172Gotze, J.1997"Cathodoluminescence of Quartz"; research carried out recently at the mining academy at Freiberg, Saxony, Germany: Journal of the Fluorescent Mineral Society, v. 19, p. 1 - 18.
1173Gotze, J.1998Principle and Advantages of Cathodoluminescence Microscopy: Microscopy and Analysis. September, 1998, p. 17-19.
1174Gotze, J., and Blankenburg, H. J.1994Zur Kathodolumineszenz von Achat - erste Ergebnisse: Aufschluss, v. 45, p. 305-312.
1175Gotze, J., Lutz, N., Kleeberg, R., and Wenzel, M.1998Occurrence and distribution of "moganite" in agate/chalcedony: a combined micro-Raman, Rietveld, and chthodoluminescence study: Contributions to Mineralogy and Petrology, Springer-Verlag, v. 133, p. 96-105.
1176Gotze, J., Nasdala, L., Kleeberg, R., and Wenzel, M.1998Occurrence and distribution of 'moganite' in agate/chalcedony: A combined micro-Raman, Rietveld, and Cathodoluminescence Study: Contributions to Mineralogy and petrology, v. xx, no. yy, p. zz. xxxxx
1177Gotze, J., Plotze, M., Fuchs, H., and Habermann, D.1999Defect structure and luminescence behaviour of agate --- results of electron paramagnetic resonance (EPR) and cathodoluminescence (CL) studies: Mineralogical Magazine, v. 63, no. 2, p. 149-163.
1178Gotze, J., Plotze, M., Tichomirowa, M., Fuchs, H., and Pilot, J.2001Aluminum in quartz as an indicator of the temperature of formation of agates: Mineralogical Magazine, v. 65(3(430), p. 407-413.
1179Gotze, J., Tichomirowa, M., Fuchs, H., Pilot, J., and Sharp, Z. D.2001Geochemistry of agates; a trace element and stable isotope study: Chemical Geology, v. 175, nos. 3-4, p. 523-541.
1180Gotze, J., Tichomirowa, M., Pilot, J., Heidrun, F.1998Origin of volcanic agate: [Abstract] From web site at:
1181Graetsch, H.1985Struktur, Gefuge und Eigenschaften von Chalzedon und Opal-C in brasilianischen Achat-Geoden. Dissertation, Ruhr University, Bochum, Bochum. [unpublished?, not seen]
1182Graetsch, H.1994Structural characteristics of opaline and microcrystallinc silica minerals: In Heaney, P. J. (Editor), Silica; physical behavior, geochemistry, and materials applications. Reviews in Mineralogy, v. 29, p. 209-232.
1183Graetsch, H., and Florke, O. W.1985Wachstum, Struktur, und Gefuge von Opal-C bis -CT: Zeitschrift Kristallographie, v. 170, p. 56 - 58.
1184Graetsch, H., Florke, O. W., and Miehe, G.1985aWachstum, Struktur und Gefugevon Opal-C bis CT [Abstract]: Zeitschrifft Kristallographie, v. 170, p. 56-58.
1185Graetsch, H.1985bThe nature of water in chalcedony and opal-C from Brazilian Agate geodes: Physics and Chemistry of Minerals, v. 12, no. 5, p. 300-306.
1186Graetsch, H.1987Structural Defects in Microcrystalline Silica: Physics and Chemistry of Minerals, v. 14, p. 249-257.
1187Graetsch, H., Mosset, A., and Gies, H.1990XRD and 29Si MAS-NMR Study on some non-crystalline silica minerals: Journal of Non-crystalline Solids, v. 119, p. 173-180.
1188Graetsch, H., Topalovic, and Gies, H.1994NMR spectra of moganite and chalcedony: European Journal of Mineralogy, v. 6, p. 459-464.
1189Graffham, A.1944The gem minerals of Kansas, The Mineralogist, v. 12, no. 7, p. 203-206. Agate, jasper localities.
1190Graffham, A.1951The gem minerals of Kansas: The Mineralogist, v. 19, no. 11, p. 461, 462, 464, 466.
1191Graham1965The road to freedom led to petrified wood: Gems and Minerals, no. 333, p. xx-yy. OK, FT
1192Gramatopol, M.1974Les Pierres Gravee=s du Cabinet Numismatique de L=Academie Roumaine: Collection Latomus, v. 138, Revue d=Etudes Latines Bruxelles, 128 p.
1193Graves, E.1965Dyeing and heat treating quartz and other stones: Gems and Minerals, no. 339, p. 39 - 43. Artificial coloring.
1194Graves, H. B.1961Agates in the southeastern United States: Lapidary Journal, v. 15, no. 3, p. 326.
1195Gray, B.1982Inclusions in Agates: In Sutherland, A., R. Gray, and A. Tait (editors). Agate Symposium Proceedings, Scottish Mineral and Lapidary Club, Royal Scottish Museum, Chambers Street, Edinburgh. p. 40-45.
1196Gray, N. H., Steinen, R. P., and Anderson, J. B.1978Banded chalcedony in the Mesozoic basalts of Connecticut: Northeastern Section of the Geological Society of America, 13th Annual Meeting, Boston, Massachusetts, March 9-11, 1978. Abstracts with Programs, v. 10, no. 2, p. 45.
1197Green, J. R.1941The mineralization of organic tissue: The Mineralogist, v. 9, no. 5, p. 157-158, 189-195.
1198Green, K.1956A collecting trip in Australia: Rocks and Minerals, v. 31, no. 11,12, p. 567-568, 625.
1199Green, M.1982Minnesota and the lapidary: Rocks and Minerals, v. 57, no. 3, p. 130-131.
1200Green, R.1964The Dinosaur Gemstones of Alberta: Lapidary Journal, v. 18, no. 6, p. 705.
1201Green, S. N.1939Lake Superior Gemstones: Hobbies, v. 44, no. 6, p. 113-114.
1202Green, S. N.1940Tentative 1940 All American Choices of Gem Cabochons: Hobbies, v. 45, no. 8, p. 106-107. Popularity Poll.
1203Green, S. N.1941Hobbies= 1942 All-American Gem Cabochon Eleven:. Hobbies, v. 46, no. 10, p. 120-121. Popularity Poll.
1204Green, S. N.1942Hobbies= 1943 All-American Gem Cabochon Eleven: Hobbies, v. 47, no. 10, p. 106. Popularity Poll.
1205Green, S. N.1943Hobbies= 1944 All American Gem Eleven, Hobbies, v. 48, no. 10, p. 114, 115. Popularity Poll.
1206Green, S. N.1948All American Gem Eleven: Hobbies, January, 1948, v. 52, no. 11, p. 135. Territulla Agate.
1207Greenberg, S. A.1957Thermodynamic functions for the solution of silica in water: Journal of Physical Chemistry, v. 61, no. xx, p. 196-197.
1208Greene, W. D.1955Some petrified forest trails: The Mineralogist, v. 23, no. 9, p. 291-295.
1209Greene, W. D.1960Wyoming's forest of stone: The Mineralogist, v. 28, no. 11,12, p. 222-226.
1210Greene, W. D.1968Wyoming's Agate Mountains to its Ancient Fossil Strands: Lapidary Journal, v. 22, no. 2, p.330-336. Lysite Mt., Spainsh Point, sunburst and dendritic MC sed, use by Indians.
1211Greene, W. D.1972"In the Beginning": Lapidary Journal, v. 26, no. 1, p. 82-90.
1212Greg, R. P., and Lettsom, W. G.1858Manual of mineralogy of Great Britain and Ireland: John van Voorst, London (not seen).
1213Gregg, R. P., and W. G. Lettsom1858Manual of mineralogy of Great Britain and Ireland: Lapidary Publishers, 1977 edition, Broadstairs, Kent.
1214Gregory, G.1965Minerals at Wasson's Bluff, Nova Scotia: Gems and Minerals, no. 338, p. 18-20, 58. NS, FT, Zeolites.
1215Gregory, G. E.1965Agate hunting at Ross Creek, Tasmania: Lapidary Journal, v. 19, no. 7, p. 825-827. Ross Creek, Kings County, South Shore ofMinas Channel.
1216Gregory, G. E.1969Turritella Agate from Wyoming: Lapidary Journal, v. 23, no. 6, p. 800.
1217Gregory, L.1938Where gems can be had for the picking up: Gemologist, no?. 8, p. 39-40.
1218Greta, L. M.1981Twists, turns, and a Big Bend: Lapidary Journal, v. 35, no. 9, p. 1944-1953. WTex, NM
1219Greta, L. M.1982aOn the road to Tucson: Lapidary Journal, v. 36, no. 2, p. 482-490. Burro Creek, AZ
1220Greta, L. M.1982bHanksville revisited: Lapidary Journal, v. 36, no. 9, p. 1606-1610. UT
1221Greta, L. M.1984Rock hunting in Wyoming and South Dakota: Lapidary Journal, v. 37, no. 10, p. 1504-1512.
1222Griesmeyer, G.1977Our search for opal: Lapidary Journal, v. 31, no. 3, p. 724-731. Australia.
1223Griesmeyer, G.1978Rock hunting in the city down under: Lapidary Journal, v. 32, no. 7, p. 1624-1626. Lightning Ridge
1224Griffith, J.1980Arizona blue fire opal goes to Europe: Lapidary Journal, v. 34, no. 8, p. 1750-1754. check No. 7 or 8, rkp
1225Grigor'ev, D. P.1965Ontogeny of minerals: Israel Program of Scientific Translations Ltd., Jerusalem, xx p.
1226Grimstead, L.1946Agates from glacial source: Earth Science Digest, v. 1, no. 5, p. 9. Missouri
1227Grinstead, L. R.1942The freindly bad lands: The Mineralogist, v. 10, no. 12, p. 365-366.
1228Grinstead, L. R.1943"Oh ranger, who sawed these logs": The Mineralogist, v. 11, no. 3, p. 77-78. AZ
1229Gross, R., and Moller, H.1923Uber das Kristallwachstum in rohrenformigen Hohlraumen: Zeitschrift Physik, v. 19, no. xx, p. 375-387.
1230Grote, A.1980I vasi, in Sansoni, G. C. (editor), Il Tesoro di Lorenzo il Magnifico: Stabilimento Grafico Commerziale, Firenze, p. 125-146.
1231Gubelin, E.1979Feurachat: Lapis, v. 4, no. 12, p. 23-25. fire agate
1232Gubelin, E.1985Opale aus Mexiko: Lapis, v. 10, p. 23-30.
1233Gubelin, E. J., and Koivula, J. I.1986Photoatlas of Inclusions in Gemstones: ABC Edition, Zurich.
1234Gueck1991Putting it all on the table: Lapidary Journal, v. 45, no. 8, p. 59-64. Lapidary project, agate table top.
1235Gumank, W. J.1976Color patterns in fire agate: Lapidary Journal, v. xx, no. yy, p. 2131-2133.
1236Gumbel, C. W.1880Ueber die mit einer Flussigkeit erfullten Chalcedonmandeln (Enhydros) von Uruguay: Sitx. Ber. konigl. bayer. Akad. Wiss., math. phys. Cl. v. 10, no. xx, p. 241-254.
1237Gunnell, E. M.1935aOrigin of silica and depositional environment of chert and flint, Part 1: The Mineralogist, v. 3, no. 7, p. 5-6, 24-25.
1238Gunnell, E. M.1935bOrigin of silica and depositional environment of chert and flint, Part 2: The Mineralogist, v. 3, no. 8, p. 9, 10, 28, 29.
1239Gustafson, R., Mrs.1945A vacation in central Oregon.:The Mineralogist, v. 13, no. 1, p. 5-7. Pony Butte
1240Gutheil, F.1981Schatze der Natur, Achate: Kalender der KHD Jumboldt Wedag AG, Koln und Bochum