| ID | Author | Year | Article |
|---|---|---|---|
| 1079 | Gaertner, H. | 1971 | Achate, Steinerne Wunder der Natur. Alles/Brillant Fachverlag: Friendrichsdorf. p. 1-71. |
| 1080 | Gaertner, P. | 1957 | Gem and Mineral Hunting in Georgia: Lapidary Journal, v. 11, no. 1, p. 34, 36, 37. Kingston, Bartow Co., Cordele, Crisp Co., andRoundrock, Jones Co. |
| 1081 | Gail, R. W. | 1967 | Fabulous Stinkingwater---Oregon's Treasure Land: Lapidary Journal, v. 21, no. 1, p. 120 - 131. Belvadee Agate, Stinking Water area. |
| 1082 | Gail, R. W. | 1972 | High Desert Beach Agates: Lapidary Journal, v. 26, no. 3, p. 538 - 545. Oregon, lake deposits 30 mi S of Burns |
| 1083 | Gaines, R. V. | 1946a | Collecting minerals in the Middle East: Rocks and Minerals, v. 21, no. 4, p. 208-210. (Abyssinia, Ethiopia) |
| 1084 | Gaines, R. V. | 1946b | Mineral collecting in India: Rocks and Minerals, v. 21, no. 8, no. 483-489. Kalyan area. |
| 1085 | Gali, G. | 1965 | How we came to find the Biggs Canyon Jasper: Lapidary Journal, v. 19, no. 3, p.350-351. Oregon |
| 1086 | Gallagher, B. | 1982 | Ancient lapidary arts, Florida style: Lapidary Journal, v. 36, no. 3, p. 580-583. archeology |
| 1087 | Galli, S. | 1983 | A high-quality lapidary shop in the heart of the Italian Alps: Lapidary Journal, v. 37, no. 9, p. 1272-1274. |
| 1088 | Ganeyev, I. G. | 1975 | Structure and properties of silicate melts: Geochemistry International, v. 11, no. 2, p. 329-337. After Moxon, 1996. |
| 1089 | Gan-Timur, V. | 1963 | Gems of Queensland: Gems and Minerals, no. 308, p. 14 - 16. |
| 1090 | Gardiner, G. | 1966 | Mineral hunting in the Parsboro, Nova Scotia area: Rocks and Minerals, v. 41, no. 1, p. 85-91. |
| 1091 | Garlick, D., and Jones, F. T. | 1990 | Deciphering the Origin of Plume-Textured Geodes: Journal of Geoscience Education, v. 38, p. 299. Cocos Geodes, Brazil. |
| 1092 | Garrels, R. M. | 1959 | Mineral Equilibria: Harper & Brothers, New York, 254 p. |
| 1093 | Garrison, P., Mrs. | 1973 | The rocks of Texas: Rocks and Minerals, v. 48, no. 2, p. 90-92. |
| 1094 | Gary, M., McAfee, A. Jr., and Wolf, C. L., eds. | 1972 | Glossary of Geology: American Geological Institute, Washington, D. C., p. 1-805, A1-A52. |
| 1095 | Gates, C. H. | 1971 | Beachcombing for gemstones on Grand Manan Island: Lapidary Journal, v. 24, no. 12, p. 1620-1624. Whale Cove, Bloodstone |
| 1096 | Gaumer, A. | 1967 | How we found the "Priday Queen" Agate: Lapidary Journal. v. 21, no. 7, p. 836-842. Oregon. |
| 1097 | Gaweda, A., and Ryzmelka | 1992 | "Bituminous agates" from rhyolites in the environs of Nowy Kosciol, Lower Silesia: Mineralogia Polonica, v. 23, no. 1, p. 73-84. |
| 1098 | Geeslin, J. H., and Chafetz, H. S. | 1982 | Ordovician Aleman Ribbon Cherts, an example of silicification prior to carbonate lithifaction: Journal of Sedimentary Petrology, v. 52, no. 4, p. 1283-1293. |
| 1099 | Geilmann, W. | 1956 | Beitrage zur Kenntnis alter Glaser, IV. Die Zersetzund der Glaser im Boden: Glastechn. Ber. v. 29, no. xx, p. 145-168. |
| 1100 | Geisinger, I. L. | 1971 | Cold Rock Ranch: Gems and Minerals, no. 410, p. 30-32. CA, FT. |
| 1101 | Genth, F. A., and W. C. Kerr | 1885 | The Minerals and Mineral Localities of North Carolina: Raleigh, North Carolina. p. 41. |
| 1102 | Gentile, C. | 1977 | How to polish opal: Lapidary Journal, v.31, no.8, p. 1816-1817. |
| 1103 | George, R. L. | 1978 | Man and Chert in western Pennsylvania: Rocks and Minerals, v. 53, no. 3, p. 104-107. Archeological. |
| 1104 | Gerdes, G. C., and Proud, R. F. | 1967 | Adoption of a state Rock: Legislative Bill 253, State of Nebraska, 1967, Session Laws, p. 2058. Prairie Agate. |
| 1105 | Gerdes, G. C., Proud, R. F., and Matzke, S. A. | 1967 | Adoption of a State Gem Stone: Legislative Bill 251, State of Nebraska, 1967. Session Laws, p. 2057. Blue Agate. |
| 1106 | Gergens, P. J. | 1858 | Uber die Konferven-artigen Bildungen in manchen Chalzedon-Kugeln: Neues Jahrbuch Mineralogie, Geogn. Geologie, Petrefaktenkde., Jg. 1858. p. 801-807. |
| 1107 | Gertsch, E. | 1998 | Am Quebrada de Jaspe: Lapis, 6, 1998, p. 42-45. Venezuela jasper locality. |
| 1108 | Getsee, G. P. | 1973 | More about Florida black coral: Lapidary Journal, v. 27, no.2, p. 416, 417. |
| 1109 | Getsinger, F. | 1961 | Agate in Arizona: Lapidary Journal, v. 15, no. 3, p. 316-318. |
| 1110 | Ghiurca, V. | 1989 | Gemological 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. |
| 1111 | Ghiurca, V. | 1997 | Geologia resurselov gemologice din judetu Alba [The geology of gems from Alba, Romania]: Studia Universitatis Babes-Bolyai Geologia, v. 42, no. 2, p. 25-32. |
| 1112 | Gibbons, A. M. | 1878 | Liesegang rings and agate building: Colorado-Wyoming |
| 1113 | Giggenbach, W. F. | 1988 | Geothermal solute equilibria: Derivation of Na-K-Mg-Ca geoindicators. Geochimica et Cosmochimica Acta, v. 52, p. 2749-2765. |
| 1114 | Giggenbach, W. F., Gonfiantini, R., Jangi, B. L., and Truesdell, A. H. | 1983 | Isotopic and chemical composition of Parbati Valley geothermal discharges, NW-Himalaya, India: Geothermics, v. 12, p. 199-222. |
| 1115 | Gilchrist, H. | 1960 | Agate Cliff of Central Oregon: The Mineralogist, v. 28, no. 4, 5, p. 61, 62, 64. |
| 1116 | Gilliam, J. | 1976 | Ole Compadre! Mexico is fun: Lapidary Journal, v. 30, no. 5, p. 1300-1302. Field Trip, Chihuahua |
| 1117 | Gilmore, E. L. | 1960 | Which were the Original Twelve Gemstones of the Biblical Breastplate: Lapidary Journal, v. 14, no. 3, p. 242-247. |
| 1118 | Gilmore, E. L. | 1968 | Which were the original twelve gemstones of the first biblical breastplate: Lapidary Journal, v. 22, no. 9, p. 1130-1132. |
| 1119 | Ginzburg, D. | 1998 | On 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. |
| 1120 | Girard, R. M. | 1964 | Texas Rocks and Minerals, An Amateurs Guide: Bureau of Economic Geology, University of Texas, Austin, Texas, 109 p. |
| 1121 | Gislason, S. R., Heaney, P. J., Oelkers, E. H., and Schott, J. | 1997 | Kinetic and thermodynamic properties of moganite, a novel silica polymorph: Geochimica and Cosmochimica Acta, v. 61, p. 1193-1204. |
| 1122 | Glackin, J. | 1972 | Opal Idiosyncracies: Lapidary Journal, v. 26, no. 9, p. 1368-1373. |
| 1123 | Glackin, J. J. | 1972 | Where's the fire, Mac?, Rock & Gem, v. 2, no. 2, p. 24-28, 36. Opal. |
| 1124 | Glasgow, R. | 1977 | Agate for Tiffany-style lamps: Gems and Minerals, no. 477, p. 10, 11, 56-60. |
| 1125 | Glazova, T. A., and Ostroumov, M. N. | 1991 | Uzorchatty 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. |
| 1126 | Gleick, J. | 1987 | Chaos. Making a New Science: Penguin Group, Viking Penguin Inc., New York. 352 p. |
| 1127 | Glover, S. | 1949 | Origin 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. |
| 1128 | Goddard, A. N. | 1949 | Opal superstition: Reprinted from The Conglomerate in The Mineralogist, v. 17, no. 10, p. 494, 496, 498. |
| 1129 | Goddard, M. G. | 1938 | The growth of bands in agates. The Mineralogist, v. 6, no. 10, p. 11 |
| 1130 | Goddard, M. G. | 1942 | The story of flint: The Mineralogist, v. 10, no. 10, p. 299, 300, 325, 326. |
| 1131 | Goding, S. O. | 1952 | Angel in Egg: The Mineralogist, v. 20, no. 4, p. 186, 188. Picture rock |
| 1132 | Godovikov, A. A., Nenasheva, S. N., Pavlychenka, V. S., and Ripinen, O. I. | 1999 | New lutecite finds: Transactions (Doklady) of the SSSR Academy of Sciences, Earth Science Section 320, p. 169-174 |
| 1133 | Godovikov, A. A., Ripinen, O. I., and Motorin, C. G. | 1987 | Achate: Moskva, Izd. Nedra. (in Russian) |
| 1134 | Godovikov, A. A. | 1991 | Wunderschone Achate von den Fundstellen der Mongolei. [Beautiful agates from localities in Mongolia]: Mineralien Magazin, Lapis, 12/91, p. 35-39. |
| 1135 | Goerg, R. | 1929 | Der Achat. --- Aus der Heimat: Naturwissenschaftliche Monatsschrift, v. 42, no. xx, p. 5-13. |
| 1136 | Goerg, R. | 1930 | Der Moosachat. --- Aus der Heimat: Naturwissenschaftliche Monatsschrift, v. 43, no. xx, p. 142-146. |
| 1137 | Goldman, H. B. | 1959 | Franciscan Chert in California aggregates: California Division of Mines, Special Report 55, 28 p. |
| 1138 | Goldschmidt, V. M. | 1954 | Geochemistry: Oxford University, Clarendon Press, 730 p. |
| 1139 | Goll, M., Lippolt, H. J., Hess, J. C., and Hoefs, J. | 1995 | Alteration von Rotliegend Vulkanitem im Thuringer Wald: Terra Nostra, Schritfen der Alfred Wegner Stiftung, 7/95, p. 46. |
| 1140 | Gonsarov, V. I., Gorodinskij, M. E., Pavlov, G. F., u. a. | 1987 | Chalcedone der nordostliches USSR: Moskva Nauka (in Russian) |
| 1141 | Goodchild, J. G. | 1899a | Guide to the collection of Scottish Agates: Royal Scottish Museum, Edinburgh, H.M.S.O. 1920 reprint. |
| 1142 | Goodchild, J. G. | 1899b | On the genesis of some Scottish minerals: Proceedings Royal Physical Society, Edinburgh, v. 14, no. xx, p. 181-220. |
| 1143 | Goodchild, J. G. | 1900 | Agates, Carnelians, and Jaspers: Transactions of Scottish Natural History Society, I, p. 152-174. |
| 1144 | Goodwin, J. | 1956 | Ellensburg's Biggest Blue: Northwest Mineral News. v. 15, p. 45. |
| 1145 | Gordon, B. F. | 1939 | Vein Silicates: The Mineralogist, v. 7, no. 12, p. 435-436. cf. nodular agates |
| 1146 | Gordon, R., Rev. | 1970 | One man's theory - "Hail and Farewell Agates": Lapidary Journal, v. 24, no. 5, p. 740-742. Chuckawalla agates, sic. |
| 1147 | Gordon, R. | 1972 | Geodes and their checkered parts: Lapidary Journal. v. 25, no. 10, p. 1436-1441. Hauser Beds, Wiley Well, CA |
| 1148 | Gosse, R. | 1968 | Gemstone occurrences in Vermont: Lapidary Journal, v. 22, no. 5, p. 700-710. |
| 1149 | Gosse, R. C. | 1959 | The gem varieties of opal: Rocks and Minerals, v. 34, no. 11, 12, p. 487-490. |
| 1150 | Gosse, R. C. | 1960 | Wyoming's Sweetwater Agate: Rocks and Minerals. v. 35, no. 9, 10, p. 451. |
| 1151 | Gosse, R. C. | 1961a | Some Connecticut Gemstone Localities: Lapidary Journal, v. 15, no. 5, p. 576-578. |
| 1152 | Gosse, R. C. | 1961b | Brown jasper in Massachusetts: Rocks and Minerals, v. 36, no 1, 2, p. 4. |
| 1153 | Gosse, R. C. | 1964a | Agates of the New England States: Lapidary Journal, v. 18, no. 1, p. 192-194. |
| 1154 | Gosse, R. C. | 1964b | Gemstones of New Brunswick, Canada: Lapidary Journal, v. 18, no. 1, p. 269-270. |
| 1155 | Gosse, R. C. | 1964c | Gemstones on the Islands of Alaska: Lapidary Journal, v. 18, no. 4, p. 514-517. |
| 1156 | Gosse, R. C. | 1964d | Gemstones of Nova Scotia: Lapidary Journal, v. 18, no. 6, p.706-710. |
| 1157 | Gosse, R. C. | 1968 | A gravel pit at Saratoga, New York: Rocks and Minerals, v. 43, no. 4, p. 266. FT, NY |
| 1158 | Gosse, R. C. | 1969a | A catalogue of Massachusetts gemstones - Hampshire County (Part 1): Rocks and Minerals, v. 44, no. 1, p. 24-29. |
| 1159 | Gosse, R. C. | 1969b | A catalogue of Massachusetts gemstones - Essex County (Part 2): Rocks and Minerals, v. 44, no. 2, p. 196-198. |
| 1160 | Gosse, R. C. | 1969c | A catalogue of Massachusetts gemstones - Essex County (Part 3): Rocks and Minerals, v. 44, no. 4, p. 276-277. |
| 1161 | Gosse, R. C. | 1969d | A catalogue of Massachusetts gemstones - Hampden County (Part 4): Rocks and Minerals, v. 44, no. 5, p. 356-360. |
| 1162 | Gosse, R. C. | 1969e | A catalogue of Massachusetts gemstones - Franklin County (Part 6): Rocks and Minerals, v. 44, no. 7, p. 516-519. |
| 1163 | Gosse, R. C. | 1969f | Agate at Saratoga Springs, New York State: Rocks and Minerals, v. 44, no. 9,10, p. 656-657. |
| 1164 | Gosse, R. C. | 1969g | A catalogue of Massachusetts gemstones - Bristol, Middlesex, Suffolk counties (Part 8): Rocks and Minerals, v. 44, no. 9,10, p. 678-679. Prase |
| 1165 | Gosse, R. C. | 1969h | A catalogue of Massachusetts gemstones - Barnstable, Dukes, Nantucket, Plymouth counties (Part 9): Rocks and Minerals, v. 44, no. 11, p. 758-759 |
| 1166 | Gosse, R. C. | 1970 | Index of gemstone occurrences - New Brunswick, Canada: Rocks and Minerals, v. 45, no. 6, p. 432-433. |
| 1167 | Gosse, R. C., and Warren, F. J. | 1964 | The Gemstones of Newfoundland: Lapidary Journal, v. 18, no. 1, p. 267-269. |
| 1168 | Gotsch, P. | 1978 | An abundance of agates: Lapidary Journal, v. 32, no. 9, p. 2052 - 2055. lakers |
| 1169 | Gotsch, P. | 1985 | Commanding cabochons: Lapidary Journal, v. 38, no. 6, p. 26, 27. Laguna, Bruneau, Botswana. |
| 1170 | Gotze, J. | 1994 | Zur Kathodolumineszenz vom SiO2__Bh: European Journal of Mineralogy?, v. 6, p. 78. (not seen) |
| 1171 | Gotze, J. | 1996 | Kathodoluminexzenz von Quarz - Grundlagen und Anwendung in den Geowissenschaften: Aufschluss, v. 47, no. 6, p. 145-164. |
| 1172 | Gotze, 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. |
| 1173 | Gotze, J. | 1998 | Principle and Advantages of Cathodoluminescence Microscopy: Microscopy and Analysis. September, 1998, p. 17-19. |
| 1174 | Gotze, J., and Blankenburg, H. J. | 1994 | Zur Kathodolumineszenz von Achat - erste Ergebnisse: Aufschluss, v. 45, p. 305-312. |
| 1175 | Gotze, J., Lutz, N., Kleeberg, R., and Wenzel, M. | 1998 | Occurrence 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. |
| 1176 | Gotze, J., Nasdala, L., Kleeberg, R., and Wenzel, M. | 1998 | Occurrence 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 |
| 1177 | Gotze, J., Plotze, M., Fuchs, H., and Habermann, D. | 1999 | Defect 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. |
| 1178 | Gotze, J., Plotze, M., Tichomirowa, M., Fuchs, H., and Pilot, J. | 2001 | Aluminum in quartz as an indicator of the temperature of formation of agates: Mineralogical Magazine, v. 65(3(430), p. 407-413. |
| 1179 | Gotze, J., Tichomirowa, M., Fuchs, H., Pilot, J., and Sharp, Z. D. | 2001 | Geochemistry of agates; a trace element and stable isotope study: Chemical Geology, v. 175, nos. 3-4, p. 523-541. |
| 1180 | Gotze, J., Tichomirowa, M., Pilot, J., Heidrun, F. | 1998 | Origin of volcanic agate: [Abstract] From web site at: http://www.mineral.tu-freiberg.de/techmin/achat_eng.html |
| 1181 | Graetsch, H. | 1985 | Struktur, Gefuge und Eigenschaften von Chalzedon und Opal-C in brasilianischen Achat-Geoden. Dissertation, Ruhr University, Bochum, Bochum. [unpublished?, not seen] |
| 1182 | Graetsch, H. | 1994 | Structural 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. |
| 1183 | Graetsch, H., and Florke, O. W. | 1985 | Wachstum, Struktur, und Gefuge von Opal-C bis -CT: Zeitschrift Kristallographie, v. 170, p. 56 - 58. |
| 1184 | Graetsch, H., Florke, O. W., and Miehe, G. | 1985a | Wachstum, Struktur und Gefugevon Opal-C bis CT [Abstract]: Zeitschrifft Kristallographie, v. 170, p. 56-58. |
| 1185 | Graetsch, H. | 1985b | The nature of water in chalcedony and opal-C from Brazilian Agate geodes: Physics and Chemistry of Minerals, v. 12, no. 5, p. 300-306. |
| 1186 | Graetsch, H. | 1987 | Structural Defects in Microcrystalline Silica: Physics and Chemistry of Minerals, v. 14, p. 249-257. |
| 1187 | Graetsch, H., Mosset, A., and Gies, H. | 1990 | XRD and 29Si MAS-NMR Study on some non-crystalline silica minerals: Journal of Non-crystalline Solids, v. 119, p. 173-180. |
| 1188 | Graetsch, H., Topalovic, and Gies, H. | 1994 | NMR spectra of moganite and chalcedony: European Journal of Mineralogy, v. 6, p. 459-464. |
| 1189 | Graffham, A. | 1944 | The gem minerals of Kansas, The Mineralogist, v. 12, no. 7, p. 203-206. Agate, jasper localities. |
| 1190 | Graffham, A. | 1951 | The gem minerals of Kansas: The Mineralogist, v. 19, no. 11, p. 461, 462, 464, 466. |
| 1191 | Graham | 1965 | The road to freedom led to petrified wood: Gems and Minerals, no. 333, p. xx-yy. OK, FT |
| 1192 | Gramatopol, M. | 1974 | Les Pierres Gravee=s du Cabinet Numismatique de L=Academie Roumaine: Collection Latomus, v. 138, Revue d=Etudes Latines Bruxelles, 128 p. |
| 1193 | Graves, E. | 1965 | Dyeing and heat treating quartz and other stones: Gems and Minerals, no. 339, p. 39 - 43. Artificial coloring. |
| 1194 | Graves, H. B. | 1961 | Agates in the southeastern United States: Lapidary Journal, v. 15, no. 3, p. 326. |
| 1195 | Gray, B. | 1982 | Inclusions 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. |
| 1196 | Gray, N. H., Steinen, R. P., and Anderson, J. B. | 1978 | Banded 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. |
| 1197 | Green, J. R. | 1941 | The mineralization of organic tissue: The Mineralogist, v. 9, no. 5, p. 157-158, 189-195. |
| 1198 | Green, K. | 1956 | A collecting trip in Australia: Rocks and Minerals, v. 31, no. 11,12, p. 567-568, 625. |
| 1199 | Green, M. | 1982 | Minnesota and the lapidary: Rocks and Minerals, v. 57, no. 3, p. 130-131. |
| 1200 | Green, R. | 1964 | The Dinosaur Gemstones of Alberta: Lapidary Journal, v. 18, no. 6, p. 705. |
| 1201 | Green, S. N. | 1939 | Lake Superior Gemstones: Hobbies, v. 44, no. 6, p. 113-114. |
| 1202 | Green, S. N. | 1940 | Tentative 1940 All American Choices of Gem Cabochons: Hobbies, v. 45, no. 8, p. 106-107. Popularity Poll. |
| 1203 | Green, S. N. | 1941 | Hobbies= 1942 All-American Gem Cabochon Eleven:. Hobbies, v. 46, no. 10, p. 120-121. Popularity Poll. |
| 1204 | Green, S. N. | 1942 | Hobbies= 1943 All-American Gem Cabochon Eleven: Hobbies, v. 47, no. 10, p. 106. Popularity Poll. |
| 1205 | Green, S. N. | 1943 | Hobbies= 1944 All American Gem Eleven, Hobbies, v. 48, no. 10, p. 114, 115. Popularity Poll. |
| 1206 | Green, S. N. | 1948 | All American Gem Eleven: Hobbies, January, 1948, v. 52, no. 11, p. 135. Territulla Agate. |
| 1207 | Greenberg, S. A. | 1957 | Thermodynamic functions for the solution of silica in water: Journal of Physical Chemistry, v. 61, no. xx, p. 196-197. |
| 1208 | Greene, W. D. | 1955 | Some petrified forest trails: The Mineralogist, v. 23, no. 9, p. 291-295. |
| 1209 | Greene, W. D. | 1960 | Wyoming's forest of stone: The Mineralogist, v. 28, no. 11,12, p. 222-226. |
| 1210 | Greene, W. D. | 1968 | Wyoming'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. |
| 1211 | Greene, W. D. | 1972 | "In the Beginning": Lapidary Journal, v. 26, no. 1, p. 82-90. |
| 1212 | Greg, R. P., and Lettsom, W. G. | 1858 | Manual of mineralogy of Great Britain and Ireland: John van Voorst, London (not seen). |
| 1213 | Gregg, R. P., and W. G. Lettsom | 1858 | Manual of mineralogy of Great Britain and Ireland: Lapidary Publishers, 1977 edition, Broadstairs, Kent. |
| 1214 | Gregory, G. | 1965 | Minerals at Wasson's Bluff, Nova Scotia: Gems and Minerals, no. 338, p. 18-20, 58. NS, FT, Zeolites. |
| 1215 | Gregory, G. E. | 1965 | Agate hunting at Ross Creek, Tasmania: Lapidary Journal, v. 19, no. 7, p. 825-827. Ross Creek, Kings County, South Shore ofMinas Channel. |
| 1216 | Gregory, G. E. | 1969 | Turritella Agate from Wyoming: Lapidary Journal, v. 23, no. 6, p. 800. |
| 1217 | Gregory, L. | 1938 | Where gems can be had for the picking up: Gemologist, no?. 8, p. 39-40. |
| 1218 | Greta, L. M. | 1981 | Twists, turns, and a Big Bend: Lapidary Journal, v. 35, no. 9, p. 1944-1953. WTex, NM |
| 1219 | Greta, L. M. | 1982a | On the road to Tucson: Lapidary Journal, v. 36, no. 2, p. 482-490. Burro Creek, AZ |
| 1220 | Greta, L. M. | 1982b | Hanksville revisited: Lapidary Journal, v. 36, no. 9, p. 1606-1610. UT |
| 1221 | Greta, L. M. | 1984 | Rock hunting in Wyoming and South Dakota: Lapidary Journal, v. 37, no. 10, p. 1504-1512. |
| 1222 | Griesmeyer, G. | 1977 | Our search for opal: Lapidary Journal, v. 31, no. 3, p. 724-731. Australia. |
| 1223 | Griesmeyer, G. | 1978 | Rock hunting in the city down under: Lapidary Journal, v. 32, no. 7, p. 1624-1626. Lightning Ridge |
| 1224 | Griffith, J. | 1980 | Arizona blue fire opal goes to Europe: Lapidary Journal, v. 34, no. 8, p. 1750-1754. check No. 7 or 8, rkp |
| 1225 | Grigor'ev, D. P. | 1965 | Ontogeny of minerals: Israel Program of Scientific Translations Ltd., Jerusalem, xx p. |
| 1226 | Grimstead, L. | 1946 | Agates from glacial source: Earth Science Digest, v. 1, no. 5, p. 9. Missouri |
| 1227 | Grinstead, L. R. | 1942 | The freindly bad lands: The Mineralogist, v. 10, no. 12, p. 365-366. |
| 1228 | Grinstead, L. R. | 1943 | "Oh ranger, who sawed these logs": The Mineralogist, v. 11, no. 3, p. 77-78. AZ |
| 1229 | Gross, R., and Moller, H. | 1923 | Uber das Kristallwachstum in rohrenformigen Hohlraumen: Zeitschrift Physik, v. 19, no. xx, p. 375-387. |
| 1230 | Grote, A. | 1980 | I vasi, in Sansoni, G. C. (editor), Il Tesoro di Lorenzo il Magnifico: Stabilimento Grafico Commerziale, Firenze, p. 125-146. |
| 1231 | Gubelin, E. | 1979 | Feurachat: Lapis, v. 4, no. 12, p. 23-25. fire agate |
| 1232 | Gubelin, E. | 1985 | Opale aus Mexiko: Lapis, v. 10, p. 23-30. |
| 1233 | Gubelin, E. J., and Koivula, J. I. | 1986 | Photoatlas of Inclusions in Gemstones: ABC Edition, Zurich. |
| 1234 | Gueck | 1991 | Putting it all on the table: Lapidary Journal, v. 45, no. 8, p. 59-64. Lapidary project, agate table top. |
| 1235 | Gumank, W. J. | 1976 | Color patterns in fire agate: Lapidary Journal, v. xx, no. yy, p. 2131-2133. |
| 1236 | Gumbel, C. W. | 1880 | Ueber 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. |
| 1237 | Gunnell, E. M. | 1935a | Origin of silica and depositional environment of chert and flint, Part 1: The Mineralogist, v. 3, no. 7, p. 5-6, 24-25. |
| 1238 | Gunnell, E. M. | 1935b | Origin of silica and depositional environment of chert and flint, Part 2: The Mineralogist, v. 3, no. 8, p. 9, 10, 28, 29. |
| 1239 | Gustafson, R., Mrs. | 1945 | A vacation in central Oregon.:The Mineralogist, v. 13, no. 1, p. 5-7. Pony Butte |
| 1240 | Gutheil, F. | 1981 | Schatze der Natur, Achate: Kalender der KHD Jumboldt Wedag AG, Koln und Bochum |