| 2514
| Pabian, R. K.
| 1970a
| Gemstone occurrences in Nebraska [Abstract]: Nebraska Academy of Sciences, Proceedings, 80th Annual Meeting, p. 35 - 36.
|
| 2515
| Pabian, R. K.
| 1970b
| Record in Rock, a handbook of the Invertebrate Fossils of Nebraska: University of Nebraska, Conservation and Survey Division, Educational Circular 1, 99p.
|
| 2516
| Pabian, R. K.
| 1971
| Minerals and Gemstones of Nebraska: Conservation and Survey Division, University of Nebraska, Educational Circular 2, 80 p.
|
| 2517
| Pabian, R. K.
| 1975
| Collecting Nebraska's Colorful Agates: Farm, Ranch, and Home Quarterly, University of Nebraska, Institute of Agriculture and Natural Resources. Summer, 1975, 2 p.
|
| 2518
| Pabian, R. K.
| 1977
| Inclusions in agates from the Late Precambrian Keweenawan Basalts of the Lake Superior Region, Minnesota and Michigan: Proceedings, Nebraska Academy of Sciences. 87th Annual Meeting, April 15-16, 1977. [Abstract], p. 42-43.
|
| 2519
| Pabian, R. K.
| 1978
| Inclusions in Agates and Their Origins and Significance: Gems and Gemology, v. 16, no. 1, p. 16-28.
|
| 2520
| Pabian, R. K.
| 1980a
| Lake Superior Agates: a Historical Review: Lapidary Journal, v. 34, no. 1, p. 110-120, 146-153.
|
| 2521
| Pabian, R. K.
| 1980b
| Gem Collecting in Nebraska: Lapidary Journal, v. 34, no. 2, p. 462 - 476. Nebraska Blue Agate, Fairburn Agates, Deuel County, Palm Wood, Laker Superior Agates, Jasper, Honey Agate.
|
| 2522
| Pabian, R. K.
| 1980c
| Lake Superior Agates: Characteristic Structures and Inclusions: Lapidary Journal, v. 34, no. 6, p. 1284-1299.
|
| 2523
| Pabian, R. K.
| 1980d
| Nebraska Portfolio: Rocks and Minerals, v. 55, no. 3, p. 107-108.
|
| 2524
| Pabian, R. K.
| 1982a
| Inclusions in agates from the late Precambrian (Keweenawan) basalts from the Lake Superior Region, Minnesota and Michigan: Symposium Proceedings. Scottish Mineral and Lapidary Club, Royal Scottish Museum, Chambers Street, Edinburgh. p. 64-75.
|
| 2525
| Pabian, R. K.
| 1982b
| Rivers, rockhounds, canoes, and collecting: Lapidary Journal, v. 36, no. 1, p. 76-82. Color photographs, chert, Deuel County Wood, Honey Agates, Lake Superior Agates, Jaspers, in place materials.
|
| 2526
| Pabian, R. K.
| 1998
| Recognition of ancient chalcedony filled spherulites, or in search of ancient thunder eggs: Proceedings, Nebraska Academy of Sciences, 108th Annual Meeting, p. 50.
|
| 2527
| Pabian, R. K., and A. Zarins
| 1991
| Chaos and Fractals as Explanations for the Origins of Certain Structures and Inclusions in Agates: Proceedings, Nebraska Academy of Sciences, 101st Annual Meeting, p. 61.
|
| 2528
| Pabian, R. K., and A. Zarins
| 1991 1992a
| Accessory Mineralization in Amygdaloidal Agates: An Overview: Proceedings, Nebraska Academy of Sciences. 102nd Annual Meeting. p. 70.
|
| 2529
| Pabian, R. K., and A. Zarins
| 1991, 1992b
| Stratigraphic Distribution and Environments of Deposition Relating to the Origin of Banded Agates: Abstracts with Programs. Geological Society of America. North Central Section. Iowa City, Iowa. April 30, May 1, 1992, v. 24, no. 3, p. 58.
|
| 2530
| Pabian, R. K., and A. Zarins
| 1991, 1994
| Banded Agates: Origins and Inclusions: Univerrsity of Nebraska Conservation and Survey Division, Educational Circular 12, 32 p.
|
| 2531
| Packer, C. S.
| 1969
| Jasp-Agate inspires new hobbyist: Lapidary Journal, v. 23, no. 6, p. 888-890.
|
| 2532
| Page, V. M.
| 1960a
| How to identify fossil wood: Gems and Minerals, no. 270, p. 18-23
|
| 2533
| Page, V. M.
| 1960b
| How to identify fossil wood: Gems and Minerals, no. 271, p. 24-31
|
| 2534
| Page, V. M.
| 1960c
| How to identify fossil wood: Gems and Minerals, no. no. 272, p.23-27
|
| 2535
| Page, V. M.
| 1960d
| How to identify fossil wood: Gems and Minerals, no. 273, p. 29-32
|
| 2536
| Page, V. M.
| 1960e
| How to identify fossil wood: Gems and Minerals, no. 274, p. 23-28: no. 275, p. 23-27.
|
| 2537
| Page, V. M.
| 1960f
| How to identify fossil wood: Gems and Minerals, no. 275, p. 23-27.
|
| 2538
| Pagnucco, J. W.
| 1959
| Flint Ridge Flint: Earth Science, v. 12, no. 3, p. 89-92. Ohio.
|
| 2539
| Pallister, H. D.
| 1955
| Index to the minerals and rocks of Alabama: Geologoical Survey of Alabama, Bulletin 65. 55p.
|
| 2540
| Palmer, A
| 1963
| Much ado about nothing or --- how not to find opals: Lapidary Journal, v. 17, no. 3, p. 408.
|
| 2541
| Palmer, W. C.
| 1981
| Portland regional gem show: Lapidary Journal, v. 35, no. 7, p. 1472-1473. "Stinkingwater" oak.
|
| 2542
| Palmer, W. S.
| 1935
| Gold in petrified wood: Rocks and Minerals, v. 10, no. 7, p. 102-103. Nevada.
|
| 2543
| Pannuti, U.
| 1980
| Le Gemme: in Sansoni, G. C. (editor), Il Tesoro di Lorenzo il Magnifico: Stabilimento Grafico Commerziale, Firenze, p. 1-124.
|
| 2544
| Papke, H. A.
| 1908
| A visit to the mineral localities at Paterson and Great Notch, N. J: The Mineral Collector, v. 15, no. 8, p. 114.
|
| 2545
| Parker, M. C.
| 1941
| Montana dendrites: The Mineralogist, v. 9, 7, p. 254-255.
|
| 2546
| Parker, R. E.
| 1963
| Hunting fire agates and opals in Mexico: Lapidary Journal, v. 17,no. 7, p. 740.
|
| 2547
| Parkinson, J.
| 1901
| The hollow spherulites of the Yellowstone and Great Britain: Quarterly Journal of the Geological Society of London, v. 57, p. 211-225.
|
| 2548
| Parks, G. A.
| 1984
| Surface and interfacial free energies of quartz. Journal of Geophysical Research, v. 89, no. B6, p. 3997-4008.
|
| 2549
| Parliman, C. R.
| 1960
| New agate fields in old Mexico: Lapidary Journal, v. 14, no. 1, p. 4, 5, 7. High Fidelity Agate, Dog's Head Agate.
|
| 2550
| Parsons, A. L.
| 1934
| The utilization of semi-precious and ornamental stones of Canada: University of Toronto Studies, Geological Series, no. 36, Contributions to Canadian Mineralogy for 1934, p. 13-21, plate III. Scots Bay, Nova Scotia agate illustrated.
|
| 2551
| Parsons, A. L.
| 1938
| Additional semi-precious and ornamental stones of Canada: University of Toronto Studies, Geological Series, no. 41, p. 45-48.
|
| 2552
| Parsons, C. J.
| 1965
| Practical Gem Knowledge for the Amateur, part 11 of a series: Lapidary Journal, v. 19, no. 6, p. 694-700.
|
| 2553
| Parsons, C. J.
| 1967a
| Practical Gem Knowledge for the Amateur, part 33-A of a series: Lapidary Journal, v. 21, no. 6, p. 794-799. Hauser Bed, Wiley Well, Crazy Lace, Panama, Potato Patch, Priday, Buddstone, Coon Hollow, all illustrated.
|
| 2554
| Parsons, C. J.
| 1967b
| Practical Gem Knowledge for the Amateur, part 33-B of a series. Lapidary Journal, v. 21, no. 7, p. 894-899. Nipomo Pyrite, Turitella, Bog Jasper from California, illustrated.
|
| 2555
| Patton, H. B.
| 1896
| Concretions of chalcedony and opal in obsidian and rhyolite in Colorado: Reprinted from a paper presented at the November 4, 1895 meeting, Golden Colorado, Colorado Scientific Society Proceedings, no. 5, p. 165-170. Del Norte area.
|
| 2556
| Patton, J. W.
| 1936
| The Mint Canyon Agate Beds in California: Rocks and Minerals, v. 11, no. 9, p. 156-159.
|
| 2557
| Patton, J. W.
| 1938
| Thunder Eggs: Rocks and Minerals, v. 13, no. 12, p. 370-372. California, Opal Mountain, Hankley.
|
| 2558
| Pauling, L.
| 1980
| The nature of silicon - oxygen bonds: American Mineralogist, v. 65, p. 321-323.
|
| 2559
| Pavlov, G. F., and Vorsepnev, V. V.
| 1992
| Chalcedonian mineralization in North-East Russia [abstract]: in International Conference on Arctic Margins, K. V. Tracy et al, editors, ICAM, Anchorage, Alaska, p. 48. Meeting, September 2-4, 1992, Anchorage, Alaska.
|
| 2560
| Pearce, E. W.
| 1966
| A feminine view of rock-hunting: Rocks and Minerals, v. 41, no. 8, p. 584-587. Nova Scotia
|
| 2561
| Pearl, R. M.
| 1942a
| Chalcedony in Colorado , (Part I): The Mineralogist, v. 10, no. 1, p. 7, 8, 29, 30. Curio Hill, 6.5 miles South of Canon City, Fremont County, bloodstone.
|
| 2562
| Pearl, R. M.
| 1942b
| Chalcedony in Colorado, (Part II): The Mineralogist, v. 10, no. 3, p. 75, 76, 98, 99.
|
| 2563
| Pearl, R. M.
| 1948
| Two Colorado Mineral localities: The Mineralogist, v. 16, no. 10, p. 453-455. Austin Bluffs, East of Colorado Springs.
|
| 2564
| Pearl, R. M.
| 1953a
| A Colorado Petrified forest: The Mineralogist, v. 21, no. 4, p. 147 - 151.
|
| 2565
| Pearl, R. M.
| 1953b
| Colorado gem trails, 2nd edition: Mineral Book Company, Box 183, Colorado Springs, Colorado. 125 p.
|
| 2566
| Pearl, R. M.
| 1964
| American Gem Trails: McGraw-Hill Book Company, New York. 175 p.
|
| 2567
| Pearl, R. M.
| 1965
| Colorado gem trails and mineral guide: ?2nd revised edition. Sage Books, Denver, Colorado. 223 p.
|
| 2568
| Pearl, R. M.
| 1978
| How to tell synthetic opal: Earth Science, v. 31, no. 4, p. 153.
|
| 2569
| Pearsall, H. E.
| 1948a
| An 8000 Mile Gem Collecting Trip. Part 1. Lapidary Journal, v. 1, no. 4, p. 182, 184, 188-191.
|
| 2570
| Pearsall, H. E.
| 1948b
| An 8000 Mile Gem Collecting Trip, Part 2: Lapidary Journal, v. 2, no. 1, p. 34, 36, 38-42.
|
| 2571
| Pearsall, H. E.
| 1948c
| An 8000 Mile Gem Collecting Trip, Part 3: Lapidary Journal, v. 2, no. 2, p. 110, 112, 114, 115.
|
| 2572
| Pearsons, H. L.
| 1964
| More B. C. Gem Trails: Monte Lake Rock Shop, Monte Lake, British Columbia, Canada. 38 p.
|
| 2573
| Pearsons, H. L.
| 1968
| B.(ritish) C.(olumbia) Gem trails , (3rd edition): 30 pp. (no more data).
|
| 2574
| Peck, D. L.
| 1964
| Geologic Reconnaissance of the Antelope-Ashwood Area North-Central Oregon: U. S. Geological Survey Bulletin 1161-D, 26 p.
|
| 2575
| Pederson, B. C., and Pederson, C. M.
| 1961
| Montana agate...a most fascinating gemstone: Lapidary Journal, v. 15, no. 2, p. 254-255. Reprinted in Agates of North America, fill in details, RKP.
|
| 2576
| Pelto, C. R.
| 1956
| A study of chalcedony: American Journal of Science, no. 254, p. 32-50.
|
| 2577
| Pence, V., and B. Stewart
| 1960
| The Canal Zone Gem and Mineral Society's field trip to Panama's Prelas Islands, December 5 & 6, 1959. Rocks and Minerals, v. 34, no. 9, 10, p. 435-439.
|
| 2578
| Pendergast, D. M.
| 1969
| Ancient Mayan Lapidaries: Lapidary Journal, v. 23, no. 8, p. 1132-1146.
|
| 2579
| Peng, C. J., and Amstutz, G. C.
| 1971
| Limonitic Banding in a Rhyolitic Welded Tuff. Chemie der Erde, v. 29, p. 259-276.
|
| 2580
| Pense, J.
| 1956/1957
| Achat unter dem Elektronen-mikroskop: Zeitschriften Deutsches Gesselschaft fur Edelsteinkde., v. 18, p. 7-10. (Not seen).
|
| 2581
| Pense, J.
| 1959
| Zum electronenmikroskopischen Faserbau des achates: Zeitschriften Deutsches Gesselschaft fur Edelsteinkunde, v. 27, p. 3-4. (Not seen).
|
| 2582
| Pense, J.
| 1961, 1962
| Electronmfikroskopische Untersuchungen zur Fasertextru des Achates: Zeitschriften Deutsches Gesselschaft fur Edelsteinkunde, v. 38, p. 12 - 30. (Not seen).
|
| 2583
| Pense, J.
| 1964
| Zur sublichtmikroskopischen Morphologie des Chalcedons: Fortschritte Mineralogie, v. 41, p. 166. (Not seen).
|
| 2584
| Pense, J.
| 1966
| Zur sublichtmikroskopischen Morphologie des dryptokristallinen Silicumdioxids: Habilitationschrift. Mainz. (Not seen).
|
| 2585
| Pepper, S. J.
| 1980
| Beachcombing in southern California: Gems and Minerals, no. 514, p. 36.
|
| 2586
| Pepper, S. J.
| 1981a
| A visit to the Gingko Petrified Forest, Washington: Lapidary Journal, v. 35, no. 5, p. 1050-1052.
|
| 2587
| Pepper, S. J.
| 1981b
| California rockhound visits Florida: Lapidary Journal, v. 35, no. 7, p. 1484-1488.
|
| 2588
| Pepper, S. J.
| 1982
| A carefree adventure: Lapidary Journal, v. 36, no. 6, p. 1104-1105. Cave Creek, Arizona.
|
| 2589
| Perkins, E. H.
| 1922
| A catalogue of Maine Minerals. Maine Naturalist, v. 2, p. 43-47, 95-95, 159-162. (Not seen in its entirety).
|
| 2590
| Perkins, E. H.
| 1924
| A catalogue of Maine Minerals: Maine Naturalist, v. 4, p. 45 - 49, 110-115. (Not seen in its= entirety).
|
| 2591
| Perkins, G. H.
| 1931
| Minerals of Vermont: State Geologist, 17th Annual Report for 1929, 1930. Burlington, Vermont. p. 151-178.
|
| 2592
| Perry, H.
| 1959
| Historic Idar-Oberstein: Earth Science, v. 12, no. 1, p. 13-14. Lapidary article.
|
| 2593
| Perry, L.
| 1976a
| The Opal Hill Fire Agate Mine: Gems and Minerals, no. 461, p. 56, 57, 77.
|
| 2594
| Perry, L.
| 1976b
| Agate in Augustine Canyon: Gems and Minerals, no. 469, p. 48-49. California, field trip.
|
| 2595
| Perry, L.
| 1979
| There are gems in those "worked out" fields: Gems and Minerals, no. 505, p. 24.
|
| 2596
| Perry, L.
| 1984
| Wiley Well revisited: Gems and Minerals, no. 565, p. 67-71.
|
| 2597
| Perry, L. E.
| 1961
| Varied agate types and locations in California: Lapidary Journal, v. 15, no. 3, p. 308-314.
|
| 2598
| Perry, N. & R.
| 1967
| Australian Gemstones in Colour: Charles E. Tuttle Company, Rutland, Vermont, and Tokyo, Japan. 112 p. Color illustrations, Queensland Agate Blue agate, Carnelian, Chalcedony, Chert, chrysoprase, opal, ribbonstone, boulder opal, jelly opal, blue moss opalite, goldlace opalite, opalised (sic.) wood, petrified wood. Tasmania, Mt. Isa, Queensland. Murgan? district?
|
| 2599
| Perry, O. P. A., Rev.
| 1950
| Eden Valley Wood is Different: Lapidary Journal, v. 4, no. 1, p. 16, 18, 20, 22, 24, 26. Probably the same person as O. P. Avery who advertizes Eden Valley wood on page 26, above.
|
| 2600
| Persiel, E. A., Smith, D. C., Photiades, A. D., and Zindors, G.
| 1996
| Preliminary data from the Raman spectroscopy of different forms of SiO2 in Mn-rich banded cherts from two regions of the Peloponnese, Greece [Abstract]: Terra Nova Abstract Supplement, v. 2, p. 10.
|
| 2601
| Person, R. A.
| 1975
| Crazy Lace near Francois Lake, British Columbia: Lapidary Journal, v. 29, no. 9, p. 1730-1736.
|
| 2602
| Person, R. A.
| 1976
| Agate on Flaking Stone Mountain: Gems and Minerals, no. 462, p. 10, 71-73. New Mexico, field trip.
|
| 2603
| Person, R. A.
| 1977a
| Rockhound honeymoon: Lapidary Journal, v. 30, no. 12, p. 2694-2698. South Dakota, Oregon, vistaite, Prineville area.
|
| 2604
| Person, R. A.
| 1977b
| Rockhunting with the tides near Parsboro, Nova Scotia.: Lapidary Journal, v. 31, no. 1, p. 126-136. Color Illustrations, Gold Plume Agate.
|
| 2605
| Person, R. A.
| 1977c
| Rainbows of agate in Scots Bay, Nova Scotia: Lapidary Journal, v. 31, no. 2, p. 482-488. Color illustrations, rainbows of agate, gold moss agate.
|
| 2606
| Person, R. A.
| 1977d
| Walk to an island for gemstones and crystals: Lapidary Journal, v. 31, no. 3, p. 690-695, 712-714. Color illustrations.
|
| 2607
| Peters, E. G.
| 1947
| A Woman Rockhound in Central Oregon: Lapidary Journal, v. 1, no. 1, p. 30-31. Field Trip
|
| 2608
| Peters, M. F.
| 1966
| Connoisseur of Bola Ties: Lapidary Journal, v. 19,no. 10, p. 1108 -1110. Colored photos.
|
| 2609
| Petersen-Fagerstam, W.
| 1953
| Modern Agate Costume Jewelry: Lapidary Journal, v. 6, no. 6, p. 462-463.
|
| 2610
| Peterson, B. M.
| 1972
| Pete Curto's Copper Country: Lapidary Journal, v. 26, no. 9, p. 1304-1308. Lake Superior Agate.
|
| 2611
| Peterson, I.
| 1988
| The Mathematical Tourist, snapshots of modern mathematics: W. H. Freeman and Company, New York. 240 p.
|
| 2612
| Peterson, J. V.
| 1965
| The Columbian Plateau: Earth Science, v. 18, no. 5, p. 200 - 203. Oregon, Washington, petrified wood.
|
| 2613
| Petkof, B.
| 1964-1966
| U.S. Bureau of Mines, Minerals yearbooks: Mineral facts and problems, 1965 edition.
|
| 2614
| Petmecky, B. J.
| 1960
| Rock hunting in Meixco: Lapidary Journal, v. 14, no. 1, p. 42, 44, 46-47.
|
| 2615
| Petrusenko, Svetoslav
| 1991
| Kamienie szlachetne i ozdobne Bulgarii [Precious stones and ornaments of Bulgaria]: Mineralogia Polonica, v. 22, no. 1, p. 81-88.
|
| 2616
| Pettijohn, F. J.
| 1975
| Sedimentary Rocks: Harper and Row, 628 p.
|
| 2617
| Petzold, A., and Hinz, W.
| 1979
| Silikatchemie: Stuttgart.(No further details, seen cited, but not seen).
|
| 2618
| Phetteplace, J.
| 1959
| Practical Lapidary Hints: Earth Science, v. 12, no. 6, p. 198-200. Picture jaspers, cutting , field collecting.
|
| 2619
| Phillips,J. A.
| 1873
| Note on the silicified woods of California: Geololgical Magazine, v. 10, first series, p. 98-99.
|
| 2620
| Phillips K. W.
| 1844
| An elementary treatise on mineralogy, 5th Edition: Descriptive Mineralogy, Pt. 2. p. 10-16. William D. Ticknor & Co., Boston, 662 p. Numerous old-world localities.
|
| 2621
| Pickering, K. L.
| 1981a
| In quest of the North Fife Hills: Gems, v. 13, p. 23 - 25.
|
| 2622
| Pickering, K. L.
| 1981b
| The Dulcote Agates: Gems, v. 13, no. 5, p. 29-32.
|
| 2623
| Pierce, M. L., and Christie, J. M.
| 1987
| Kinetics of grain growth in quartz aggregates, [Abstract]: EOS Transactions of the American Geophysical Union, v. 68, no. 16, p. 422.
|
| 2624
| Piezcka, A., and Holcer, Z.
| 2000
| Agates of the Cracow region compared with other occurrences I Poland: in Geology and Petrology of the Upper Silesia and the Malopolska terranes boundary zone: papers of the 7th meeting of the Petrology Group of the Mineralogical Society of Poland (Wyszomirski, P., editor) Prace Specjalne-Polskie Towarzystwo Mineralogiczne 17, p. 60-62.
|
| 2625
| Pilipenko, P. P.
| 1934
| Zur Frage der Achatengenesis (russ. mit dt. Zusammenf.): Bulletin Societie Naturalistes de Moscou, Sect. geol. v. 12, p. 279-299. (Not seen). [Russian with German ?Translation].
|
| 2626
| Pisciotto, K. A.
| 1981
| Diagenetic trends in the siliceous facies of the Monterey Shale in the Santa Maria region, California: Sedimentology, v. 28, no. 4, p. 547-571.
|
| 2627
| Pitman, S. S., Jr.
| 1959
| Silica in Edwards Limestone, Travis County, Texas: Silica in Sediments: Special Publication Society of Economic Paleontologists and Mineralogists and American Association of Petroleum Geologists, p. 121-124.
|
| 2628
| Platen, P.
| 1908a
| Untersuchung fossiler Holzer aus dem Western Vereinigten Staaten von Nordamerika: Universitat Leipzig. Innaugural Dissertation, Philosophischen Fakultat, separately issued, Gressner and Schramm. 156 p.
|
| 2629
| Platen, P.
| 1908b
| ibidem: Naturforschende Gesselschaft zu Leipzig, Sitsungsberichte v?. 34 p. 1-164.
|
| 2630
| Platen, P.
| 1909
| Die fossilen Walder am Amethyst-Mount im Yellowstone-Nationalpark und die mikroskopische Untersuchung ihrer Holzer: Prometheus, v. 20, p. 241 - 246. (Not seen).
|
| 2631
| Platt, R. E.
| 1955a
| New Wyoming petrified forest: The Mineralogist, v. 23, no. 2, p. 68-70.
|
| 2632
| Platt, R. E.
| 1955b
| A Rock Journey in Wyoming: Lapidary Journal, v. 9, no. 1, p. 68-71. Muddy Gap, Home on the Range, Riverton, SW Wyo, Wind R.
|
| 2633
| Playfair, J.
| 1802
| Illustrations of the Huttonian Theory of the Earth: William Creech, Edinburgh, p. 78-79.
|
| 2634
| Pliny the Elder
| ca. 79
| Historia Naturalis: Numerous translations available.
|
| 2635
| Plodowski, G., and Werner, R.
| 1981
| Achate: Kleine Senckenberg-Reihe, No. 12, 39 p.
|
| 2636
| Pluard, N.
| 1978
| Our three month trek: Lapidary Journal, v. 32, no. 9, p. 1952-1963. Field trip, Wyoming's Red Desert, Blue Forest.
|
| 2637
| Pluard, N.
| 1984
| Arizona---second time is best: Lapidary Journal, v. 38, no. 8, p. 1124-1131.
|
| 2638
| Plyusnina, I. I.
| 1978
| Study of structural disorder of chalcedonies by infrared spectroscopy: Soviet Physic. Doklady., v. 23, no. 6, p. 363-365.
|
| 2639
| Plyusnina, I. I.
| 1979
| Infrared study of cryptocrystalline formations of silica, I: Chalcedonies, Arch. Mineral. v. 35, no. xx, p. 19-31.
|
| 2640
| Plyusnina, I. I., and Sergeeva, N. E.
| 1981
| A study of the disordering of quartz and chalcedony by the methods of infrared spectroscopy and electron microscopy: Moscow University Geological Bulletin, v. 36, no. 1, p. 37-42.
|
| 2641
| Poese, W.
| 1953
| Gem cutter visits Idar-Oberstein: The Mineralogist, v. 21, no. 12, p. 469, 470, 472.
|
| 2642
| Pohl, J. C., Jr.
| 1943
| The Calvert Collection: Rocks and Minerals, v. 18, no. 8, p. 240-241. Calvert, John, Lord.
|
| 2643
| Poindexter, O. F., and others
| 1965
| Rocks and Minerals of Michigan: Michigan Geological Survey Bulletin 2, (= Publication 42), 5th edition, revised, 104 p. (Problem area)
|
| 2644
| Poldervaart, A.
| 1971
| Volcanity and forms of extrusive bodies: in Green, J, and Short, N. M., (editors), Volcanic landforms and surface features. Springer-Verlaag, Berlin-Heidelberg, p. 1 - 18.
|
| 2645
| Pond, A. W.
| 1930
| Primitive methods of working stone: Logan Museum Bulletin, v. 2, no. 1. (Logan Museum does not appear in the directory of the American Association of Museums. Alonzo William Pond appears as an author of a paper dealing with weather in the Central Gobi Desert of Mongolia, an area cited as being rich in agate prehistoric artifacts made from agate and agatized wood.)
|
| 2646
| Pope, D. E.
| undated
| Louisiana's Minerals: Louisiana Geological Survey, Baton Rouge, Louisiana, 2 p.
|
| 2647
| Porter, A. A.
| 1955
| A Washington State Collecting Area: Lapidary Journal, v. 9, no. 1, p. 66, 67. Silver Lake, Cedar Creek, Salmon River, Cupid River, East Canyon Creek, Randall, Washington.
|
| 2648
| Porter, D. A.
| 1894 (1895)
| Notes on Some Minerals and Mineral Localities in the Northern Districts of New South Wales: Journal of the Royal Society of New South Wales xxviii, 1894 (1895), p. 39 - 44.
|
| 2649
| Porter, W. P.
| 1979
| Opaline outgrowths on Lee Formation sandstones in Wise County, Virginia. Rocks and Minerals, v. 54, no. 3, p. 97-100.
|
| 2650
| Potchick, P. F.
| 1952
| Mineral collecting at Crestmore, California: Rocks and Minerals, v. 29, no. 3, 4, p. 130-135. Opalized wood
|
| 2651
| Potter, R. M. and Rossman, G. R.
| 1964
| Mineralogy of manganese dendrites and coatings: American Mineralogist, v. 64, p. 1219-1226.
|
| 2652
| Pough, F. H.
| 1982
| Japanese manmades: Lapidary Journal, v. 35, no. 10, p. 2004-2008. Synthetic opal.
|
| 2653
| Pough, F. H.
| 1985
| Spectral gemstones. Frozen rainbows: Lapidary Journal, v. 38, no. 6, p. 19-21. Iris agate illustrated.
|
| 2654
| Pough, F. M.
| 1973
| Common opal and fire agate: Jewellers Circular Keystone. May. p. 108, 149-150, 153.
|
| 2655
| Powell, R. D.
| 1940
| Agates by the hundredweight: The Mineralogist, v. 8, no. 10, p. 410.
|
| 2656
| Pozharevski, I.
| 1989
| Proyavleniya na yuvelirni raznovidnosti na silitsievha dvuokis v rayona na Momchilgrad [Localities of silica gem varieties in Momchilgrad area]: Rudoobrazuvatelni Protsesi I Mineralni Nakhodista (Ore formation processes and mineral deposits), v. 30, p. 37-45.
|
| 2657
| Pratt, E. M.
| 1952
| Agate - gemstone of the ancients, The Mineralogist, v. 20, no. 11, p. 394, 396.
|
| 2658
| Pratt, J. H.
| 1901
| Gems and gem mining in the South: The Southland, v. 1, p. 1-5, 67-71, 118-122. (Not seen).
|
| 2659
| Pratt, J. H.
| 1933
| Gems and gem minerals of North Carolina: Ameican Mineralogist, v. 18, no. 4, p. 148-159.
|
| 2660
| Pratt, M., and M. Menzel
| 1965
| Iowa has something for everyone: Gems and Minerals, no. 334, p. 14-19. Iowa, field trip.
|
| 2661
| Pratt, W. L.
| 1942
| Siliceous oolite near Centerville, Alabama: Rocks and Minerals, v. 17, no. 10, p. 345.
|
| 2662
| Prchal, M.
| 1968a
| "Dryhead"---Montana's fortification agate: Lapidary Journal, v. 22, no. 4, p. 580-583.
|
| 2663
| Prchal, M.
| 1968b
| Montana's dendritic moss agate---is it all gone? Lapidary Journal, v. 22, no. 5, p. 620-631.
|
| 2664
| Prchal, M.
| 1969
| A petrified forest above the timberline: Lapidary Journal, v. 23, no.6, p. 804-807.
|
| 2665
| Predmore, P.
| 1941
| "Thunder Eggs": The Mineralogist, v. 9, no. 2, p. 54.
|
| 2666
| Preston, N. E.
| 1988
| A family outing in S.E. Texas: Lapidary Journal, v. 41, no. 12, p. 61-62. Livingston Reservoir, Petrified Wood
|
| 2667
| Pretola, J. P.
| 1995
| Optical mineralogical techniques for sourcing fine-grained quartz; a feasibility study using quartz polymorph ratios: [Abstract], Abstracts with Programs, Geological Society of America, Northeastern Section, 30th Annual Meeting, Cromwell, CT, March 10-12, 1995, v. 27, no. 1, p. 75.
|
| 2668
| Purchine, M.
| 1967
| Chalcedony pseudomorph after coral, (cover story): Rocks and Minerals, v. 42, no. 2, p. 82. Florida
|
| 2669
| Purteet, B.
| 1967
| Missouri names state rock and mineral: Earth Science, v. 20, no. 5, p. 215. Mozarkite.
|
| 2670
| Purvis, R.
| 1971
| Treasure hunting in British Columbia: McClelland and Stearite, Ltd., Toronto, 143 p.
|
| 2671
| Pusl, W.
| 1993
| Die Achatvorkommen von Sternberg bei Wackersdorf [Agate occurrences of Sternberg near Wackersdorf]: Der Aufschluss, v. 44, no. 3, p. 159-160.
|
| 2672
| Pye, G.
| 1968
| Geology and Scenery: Rainy Lake and east to Lake Superior: Ontario Department of Mines Guidebook 1, 118 p.
|
| 2673
| Pye, G.
| 1969
| Geology and Scenery: North Shore of Lake Superior: Ontario Deparetment of Mines Guidebook 2, 148 p.
|
| 2674
| Pyrite Pete
| 1935
| Moss agate found: The Mineralogist, v. 3, no. 9, p. 27. Sunflower Flat, Quartz Butte, OR
|