Agates Bibliography

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2445Oakenfull, J. C.1912Brazil in 1912: London England, p. 304.
2446Oakley, P.1974An opal prospecting tour through Australia: Lapidary Journal, v. 28, no. 5, p. 778-789.
2447Oakley, S. A.1979Private collection with a professional touch: Lapidary Journal, v. 33, no. 5, p. 1084-1089. Color pix: Hampton Butte Wood, Schwartz Canyon Oak, Hauser Creek, Utah, Rhexoxylon
2448Obenauer, K.1974Uber Achat vom Uruguay-Typ im Oberen Budtsandstein des Nordschwarzwaldes: Aufschluss, v. 25, p. 110-116.
2449Obenauer, K.1979Uber den Aufbau des Buntsandstein - Carneols und seiner Achatdrusen: Aufschlukss, v. 30, p. 113-119.
2450O'Brien, G. J.1965Rock Hunting in Tasmania: Lapidary Journal, v. 19, no. 7, p. 822-823.
2451Odle, H.1948What about Montana Agates: Lapidary Journal, v. 2, no. 2, p. 78, 79.
2452O'Donoghue, M.1974Agate staining in the early part of the century: Journal of Gemmology, v. XIV, p. 114.
2453O'Donoghue, M.1987Quartz: Butterworth's Gem Books, London, Boston, Durban, Singapore, Sydney, Toronto, Wellington. 110 pp.
2454Oehler, J. H.1976Hydrothermal crystallization of Silica Gel: Geological Society of America, Bulletin, v. 87, no. 10, p. 1143-1152.
2455Oglesbee, H. E.1978Petrified palm root on the Mojave Desert: Gems and Minerals, no. 494, p. 54-55. California, field trip.
2456Oglesbee, H. E.1979Observations of a rockhound: Lapidary Journal, v. 32, no. 12, p. 2590-2592. Calico Mts, CA
2457Oglesbee, H. E.1980Black Canyon Agates and Jaspers: Lapidary Journal, v. 34, no. 8, p. 1848-1850. About 50 miles northwest of Barstow, California, Black Mountain, Opal Mountain; jasper, tan and brown, or agate, with lavender centers.
2458Okamura, R. T., and J. C. Forbes1961Occurrence of silicified wood in Hawaii: American Journal of Science, no. 259, p. 229-230.
2459O'Keefe, M., and Hyde, B. G.1978On Si -O-Si configurations in silicates: Acta Crystallographica, section B, v. 34, p. 27-32.
2460Okomoto, G., Okura, T., and Goto, K.1957Properties of silica in water: Geochimica et Cosmochimica Acta, v. 12, p. 123-132.
2461Oldershaw, A. E.1968Electron-microscopic examination of Namurian bedded cherts, North Wales (Great Britain): Sedimentology, v. 10, no. 4, p. 255-272.
2462O'Leary, B.1977Opals of Indonesia: Lapidary Journal, v. 23, no. 11, p. 2484, 2496-2500.
2463Oles, F.1968Petrified wood in the Rattlesnake Hills: Gems and Minerals, no. 372, p. 28. Washington, field trip.
2464Oles, F.1969Saddle Mountain picture wood: Gems and Minerals, no. 381, p. 26 - 27. Washington, field trip.
2465Oles, F.1971Adna Agate: Gems and Minerals, no. 409, p. 24 - 25. Washington, field trip, Ceres Hill Road to locality.
2466Oles, F.1972Orange agate and green jasper at Tillamook: Gems and Minerals, no. 413, p. 22. Oregon, field trip.
2467Oles, F.1973Treasures at Tono: Gems and Minerals, no. 433, p. 28, 29. Washington, field trip.
2468Oles, F.1980The Madras Pow-Wow: Gems and Minerals, no. 512, p. 9, 20-22.
2469Oles, F., and H. Oles1967Eastern Gem Trails. A guide to gem and mineral collecting areas of central-eastern United States: Gembooks. Mentone, California. 80 pp.
2470Oles, F., and H. Oles1968Precious opal in the Bitterroot Mountains: Gems and Minerals, no. 373, p. 28-29.
2471Oles, F., and H. Oles1972Saddle Mountain picture wood: Gems and Minerals, no. 381, p. 26- 27. Washington.
2472Olesky, F.1985Vacations for rockhounds: Gems and Minerals, no. 573, p. 26 - 27.
2473Oliver, L. A.1979An agate TV lamp: Gems and Minerals, no. 504, p. 32-33.
2474Olson, B.1938Gem minerals of the region about Orofino, Idaho: Rocks and Minerals, v. 13, no. 5, p. 148-149.
2475Oregon Agate and Mineral Society1959Happy Rock-Hound Hunting Grounds in Oregon: (Map). Lapidary Journal, v. 13, no. 3, p. 406, 407. This may be same as map by J. R. Rodgers.
2476Ormerod, M. J., M.D.1964Gemstones of Manitoba: Lapidary Journal, v.18, no. 6, p. 704.
2477Orr, P. C.1940Fossil bone gems: The Mineralogist, v. 8, no. 3, p. 113.
2478Ortlam, D.1966Fossile Boden und ihre Verwendung zur Gleiderung des hoheren Buntsandsteins im nordlichen Schwarzwald und sudlichen Odenwald: Jber. Mitt. oberrhein geol. Ver. N. F., v. 48, p. 69-78. (not seen)
2479Ortlam, D.1967Fossil Boden als Leithorizonte fur die Gliederung des Hoheren Buntsandsteins im nordlichen Schwarzwald und sudlichen Odenwald: Jber. mitteilungen oberrhein geol. ver., N. F., 48, p. 69-78. (not seen).
2480Ortlam, D.1969Palaoboden im hoheren Buntsandstein des mittleren Schwarzwaldes: Geologische Jahrbuch, v. 87, p. 61-88. (not seen).
2481Ortlam, D.1970Die Randfazies des germanischen Buntsandsteins im sudlichen Schwarzwald: Geol-ogische Jahrbuch, v. 89, p. 135-168. (not seen).
2482Ortoleva, P.1994Geochemical Self-Organization, 2nd edition. Oxford University Press, New York, Oxford, 411 p.
2483Ortoleva, P., Chen, Y., and Chen, W.1995Agates, concretions and orbicules: Self organized zoning and morphology: In Kruhl, J. H., editor, Fractals and dynamic systems in Geoscience: Springer Verlag, Berlin, p. 283-305.
2484Osborne, D.1912Engraved Gems: Signets, Talismans and Ornamental Intaglios, ancient and Modern: Henry Holt & Company, New York, 424 p.
2485Osborne, G. C.1957Agates of southwestern Utah: Lapidary Journal, v. 11, no. 1, p. 38, 40, 42, 44, 46.
2486Osborne, H. F.1902The fossil tree bridge in the Arizona petrified forest: Science, v. 16, p. 991.
2487Osborne, M. W.1950Rock-hound Magic: New Mexico Magazine, v. 28, no. 3, p. 20 - 21.
2488Ossowski, E., and Ossowski, J.1964Rock hunting on Woodward Ranch: Rocks and Minerals, v. 39, no. 1,2, p. 45-46. Texas, black plume, red plume, flower garden, and pink banded agate.
2489Ossowski, J.1969Agua Fria Ranch: Gems and Minerals, no. 379, p. 18-20. Texas, field trip.
2490Ossowski, J.1972Woodward Ranch, then and now: Gems and Minerals, no. 414, p. 22-25. Texas, field trip.
2491Ostrander, C. W., and Price, W. E.1940Minerals of Maryland: The Natural History Society of Maryland, Baltimore, Maryland. 92 pp.
2492Osterwold, F. W., et al1965Mineral Resources of Wyoming: Geological Survey of Wyoming, University of Wyoming, p. 139, 169
2493Oswald, W O.1944Die Welt der vernachlassigten Dimensionen,12: Aufl. Dresden und Leipzig.
2494Otero, R. K.1998Ric's Pics: Eclectic Lapidary, v. 2, no. 7, p. 1-2. Electronic publication.
2495Owen, D. D.1850Report of a Geological Survey of Iowa, Minnesota, and Wisconsin, and incidentally of a portion of Nebraska Territory made under instructions from the United States Treasury Department: By David Dale Owen, 638 p.
2496Owens, G. W.1956aSelecting slabs: Rocks and Minerals, v. 31, no. 5, 6, p. 277-279.
2497Owens, G. W.1956bThe Opal. In The Amateur Lapidary. Rocks and Minerals, v. 31, no. 9, 10, p. 491-493.
2498Owens, G. W.1960aChalcedony: In The amateur lapidary. Rocks and Minerals, v. 35, no. 5, 6, p. 243-246. survey
2499Owens, G. W.1960bResearch in an old story or Anne of Geierstein's mysterious opal: In the amateur lapidary. Rocks and Minerals, v. 34, no. 7, 8, p. 358.
2500Owens, V. S.1962aCarnelian and iris bonanza in Tennessee: Lapidary Journal, v. 16, no. 1, p. 46, 48 - 55.
2501Owens, V. S.1962bA new way to cut rainbow iris agate: Lapidary Journal, v. 16, no. 6, p. 584-586.
2502Owens, V. S.1963Theories concerning the origin of agate: Lapidary Journal, v. 17, no. 1, p. 142-149.
2503Owens, V. S.1964Guide to the agate fields of Bedford County, Tennessee: Lapidary Journal, v. 18, no. 1, p. 154-162.
2504Owens, V. S.1965The Appalachian Plateau Country: Lapidary Journal, v. 19, no. 9, p. 1076-1084.
2505Owens?, V. S.1966Some fossil corals of Tennessee: Lapidary Journal, v. 20, no. 4, p. 514-518.
2506Owens, V. S.1967"Flintagatejaspchertquartzite": Lapidary Journal, v. 21, no. 3, p. 388-400. Structures
2507Owens, V. S.1968Digging carnelian in Tennessee: Lapidary Journal, v. 22, no. 9, p. 1228-1232
2508Owens, V. S.1969Speckeled Stones. Lapidary Journal, v. 22, no. 11, p. 1418-1420. Agatized conglomerates.
2509Owens, V. S.1974Paint Rock Agate: Lapidary Journal, v. 28, no. 8, p. 1218-1224, 1236.
2510Owens, V. S.1976aPictures in stone: Lapidary Journal, v. 30, no. 4, p. 1082. Tennessee materials.
2511Owens, V. S.1976bCalf Killer Agate: Lapidary Journal, v. 30, no. 6, p. 1394-1402. Calf Killer agate.
2512Owens, V. S.1980The agates of Tennessee: Lapidary Journal, v. 34, no. 7, p. 1524 - 1531. Horse Mountain, Agate, Paint Rock Agate
2513Ozment, C. M.1966Beautiful banded agate found at St. Louis, Missouri: Lapidary Journal, v. 20, no. 1, p. 106, 107.