Agates Bibliography

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658Dabney, R., and Wilbur, P. L.1952Rockhounding Along the Rio Grande (In Colorado): Lapidary Journal, v. 6, no. 1, p. 20, 22, 24. Del Norte, Wolf Creek Pass
659Daggett, C. W.1962Canal Zone full of agate (letter): Rocks and Minerals, v. 37, no. 1,2, p. 35.
660Daggett, J.1980Dryhead: Lapidary Journal. v. 34, no. 9, p. 1930-1946. color illustrations.
661Daggett, J.1981Dryhead agate mine begins 1981 operations: Lapidary Journal, v. 35, no. 4, p. 964.
662Daggett, J.1982Dryhead. In Sutherland, A., Gray, R., and Tait, A., (editors), Agate Symposium Proceedings: Royal Scottish Museum, Chambers Street, Ediuburgh, 24 April, 1982. p. 76-83.
663Dahlberg, J. C.1971The book that broke a silence: Lapidary Journal, v. 25, no. 7, p. 966-970.
664Dahlberg, J. C.1973A rockhound on Minnesota's Iron Range: Lapidary Journal, v. 26, no.10, p. 1424-1426, 1436, 1437. Lakers
665Dahlberg, J. C.1976They are still finding them: Lapidary Journal, v. 30, no. 8, p. 1940-1945. MN, lakers, Moder Agate
666Dahlberg, J. C.1977Hunt rocks in the land of many waters: Lapidary Journal, v. 31, no. 1, p. 432-435. Lakers, MN
667Dahlberg, J. C.1979aThe woods of North Dakota: Lapidary Journal, v. 33, no. 2, p. 606-609. Hettinger City Wood.
668Dahlberg, J. C.1979bRocks change lifestyle: Lapidary Journal, v. 33, no. 7, p. 1560-1562. Roland and Lorene Rasmussen
669Dahlberg, J. C.1979cIs this the record?: Lapidary Journal, v. 33, no. 8, p.1772. 108 lb. Lake Superior Agate. No, not really, chert, rkp.
670Dahlberg, J. C.1982Take another look at Minnesota's rocks: Lapidary Journal, v. 36, no. 1, p. 66-72. color pix
671Dahlquest, W.W.1974Golden agates of the Big Bend: Lapidary Journal, v. 28, no. 7, p. 1140-1146.
672Dake, H. C.1927Collecting in Oregon and Idaho: Rocks and Minerals, v. 2, no. 4, p. 138-139.
673Dake, H. C.1928A unique mineral locality in Oregon: Rocks and Minerals, v. 3, no. 1, p. 19. Opal Springs, opal, Crooked River
674Dake, H. C.1929aQuartz at Antelope, Oregon: Rocks and Minerals, v. 3, no. 4, p. 108.
675Dake, H. C.1929bTracks across the sage: Reprinted in the Mineralogist, 1945, v. 13, no. 12, p. 472-473.
676Dake, H. C.1934aA New Form of Agate - stones with 'rainbow' bands discovered in America: The Gemmologist, v. 3?, 283-285.
677Dake, H. C.1934bNew Rainbow Agate (from Oregon): The Gemmologist, v.2?, p. 283.
678Dake, H. C.1934cObservations on two types hydrophane opal: Oregon Mineralogist, v. 2, no. 5, p. 8. Opal Butte, Hepner, OR
679Dake, H. C.1934dInclusions in Oregon agates described: The Mineralogist, v. 2, no. 5, p. 8, 9. airtube, fan agate (cf. Bastian specimen?), polka dot chalcedony, Madras, Medford, Antelope, OR
680Dake, H. C.1934eHow large flat surfaces on specimens are polished: Oregon Mineralogist, v. 2, no. 5, p. 14.
681Dake, H. C.1934fThe lapidary art as practised in ancient and medieval days: Oregon Mineralogist, v. 2, no. 10, p. 11, 12.
682Dake, H. C.1936Fluorescent opal: The Mineralogist, v. 4, no. 3, p. 20.
683Dake, H. C.1937aA day in Horse Heaven Hills: The Mineralogist, v. 5, no. 5, p. 11, 12. WA
684Dake, H. C.1937bA day in the Gingko Forest: The Mineralogist, v. 5, no. 9, p. 7, 8, 24.
685Dake, H. C.1937cSome world famous opals: The Mineralogist, v. 5, no. 12, p. 9-10. 18.
686Dake, H. C.1938aGem Mining in Oregon: Gemmologist, v. 6, p. 317-319.
687Dake, H. C.1938bThe gem minerals of Oregon: Oregon Department of Geology and Mineral Resources. Bulletin 7. 16 p.
688Dake, H. C.1938cMann's Creek Petrified Forest., Some Idaho Localities: The Mineralogist, v. 6, no. 11, p. 9-10. Mann's Creek, Weiser Cove, Mesa, Hog Creek
689Dake, H. C.1939Cause of fluorescence in agate: The Mineralogist, v. 7, no. 3, p. 93-94, 126. 127.
690Dake, H. C.1940aA day in the Sweethome Forest: The Mineralogist, v. 8, no.3, p. 83, 84, 107-108.
691Dake, H. C.1940b"Trailing the 'Thunder Egg'": The Mineralogist, v. 8, no. 8, p. 335-336, 349. Central Oregon, Berkely, California
692Dake, H. C.1940cAn agate collector's Mecca: The Mineralogist, v. 8, no. 12, p. 487. Texas, Rio Grande Agate.
693Dake, H. C.1941aHistory of Virgin Valley, Nevada. Largest opal field: The Mineralogist, v. 9, no. 1, p. 7, 8, 22-24.
694Dake, H. C.1941bThe blue agate of Washington: The Mineralogist, v. 10, no. 2, p. 49, 50. N of Cle Elum on Hwy 97, Kittitas Co., Ellensburg?
695Dake, H. C.1942aWorm bored woods - conifer cones - some rare petrifactions: The Mineralogists, v. 10, no. 1, p. 11, 12, 20, 22, 24, 25.
696Dake, H. C.1942bThe Anderson Collection: The Mineralogist, v. 10, no. 5, p. 141-144. Saddle Mt. WA
697Dake, H. C.1942cLatah Petrified Forests: The Mineralogist, v. 10, no. 11, p. 339, 340, 352-354. E WA, OR
698Dake, H. C.1943aThe Kamloops Petrified Forest: the Mineralogist, v. 11, no. 2, p. 50. Washington
699Dake, H. C.1943bNew Localities --- Sucker Creek: The Mineralogist, v. 11, no. 11, p. 339, 340. Succor Creek, Idaho, Oregon.
700Dake, H. C.1943cNew Oregon Locality: The Mineralogist, v. 11, no. 11, p. 341. Steens Mountains, Harney County, Oregon.
701Dake, H. C.1944The Saddle Mountain Locality: The Mineralogist, v. 12, no 1, p. 11, 22, 23. WA
702Dake, H. C.1946aTexas Agate: The Mineralogist, v. 14, no. 1, 50-52. Rio Grande Agate.
703Dake, H. C.1946bColoring Agates. The Mineralogist, v. 14, no. 9, p. 494-496.
704Dake, H. C.1947aColoring agates: The Mineralogist, v. 15, no. 10, p. 552-554.
705Dake, H. C.1947bAn Oregon Discovery: The Mineralogist, v. 15, no. 11, p. 578, 580. Osmundites.
706Dake, H. C.1948Gem mining, a new Oregon Industry: The Mineralogist, v. 16, no. 6,7, p. 296, 298, 300.
707Dake, H. C.1950aThe Agate Book: The Mineralogist Magazine, Portland, Oregon. 63 p.
708Dake, H. C.1950bSome world famous opals: The Mineralogist, v. 18, no. 2, p. 80, 82, 84, 86.
709Dake, H. C.1950cUranium found in Montana agate: The Mineralogist, v. 18, nos. 7,8, p. 358, 360.
710Dake, H. C.1953Home - Sweet Home: The Mineralogist, v. 21, no. 9, p. 302, 304. Or
711Dake, H. C.1954aAgate-filled thunder egg genesis: The Mineralogist, v. 22, no. 1, p. 8-14.
712Dake, H. C.1954bOpal in Oregon: The Mineralogist, v. 22, no. 2, p. 68, 70, 72, 74. Hart Mt opal Field, Lake Co.,
713Dake, H. C.1954cLargest petrified tree: The Mineralogist, v. 22, no. 4, p. 154, 156, 158. Idaho.
714Dake, H. C.1954dFossil conifer cones: The Mineralogist, v. 22, no. 5, p. 214, 216, 218.
715Dake, H. C.1954eNew Oregon localities revealed: The Mineralogist, v. 22, no. 10, p. 341-343. Ashwood, Hay Creek areas
716Dake, H. C.1954fQuartz family gems long popular: The Mineralogist, v. 22, no. 10, p. 373, 374, 376.
717Dake, H. C.1954gOregon agate bonanza: The Mineralogist, v. 22, no. 11, p. 385. Antelope, Oregon, historical
718Dake, H. C.1956aInclusions in agate: The Mineralogist, v. 24, no. 3, p. 137.
719Dake, H. C.1956bAre opals priced too low: The Mineralogist, v. 24, no. 9, p. 310, 312, 314.
720Dake, H. C.1956cThe Art of Gem Cutting, 6th Edition: Portland Oregon.
721Dake, H. C.1958aPony Butte thunder egg mine: The Mineralogist, v. 26, no. 4,5, p. 99-104.
722Dake, H. C.1958bA day in Horse Heaven Hills: The Mineralogist, v. 26, no. 10,11, p. 246, 247.
723Dake, H. C.1959Problems in wood identification: The Mineralogist, v. 29, no. 12,1, p. 248-250.
724Dake, H. C.1960Cameos and came collecting: The Mineralogist, v. 28, no. 6,7,8, p. 105-107.
725Dake, H. C.1969Rarest of all opal---Black Nevada. Gems and Minerals, no. 383, p. 9-11.
726Dake, H. C.1969aOregon Tempskya locality: Gems and Minerals, no. 384, p. 62-63.
727Dake, H. C.1969bRare fossil wood: Gems and Minerals, v. 385, p. 57. OR, FT, Sterculia.
728Dake, H. C.1970Treatment of Nevada opal: Gems and Minerals, v. 388, p. 51, 52.
729Dake, H. C., F. L. Fleener, and B. H. Wilson1938Quartz Family Minerals: A Handbook for the mineral collector: Whittlesay House, McGraw-Hill & Company. 304 p.
730Dale, N.1981The Fire Agate Jungle: Lapidary Journal, v. 34, no. 11, p. 2322, 2326.Lapidary project.
731Dall, W. H.1915Monograph of the molluscan fauna of the Orthaulax pugnax Zone of the Oligocene of Tampa, Florida: U. S. National Museum Bulletin 90. 173 p.
732Dana, E. S.1898A Text Book of Mineralogy, 2nd Edition: John Wiley & Sons, New York. p. 279.
733Dana, J. D.1837A system of mineralogy including an extensive treatise on crystallography, etc., first edition: New Haven, Connecticut.
734Dana, J. D.1837-1868The System of Mineralogy of James Dwight Dana: 6th Edition, John Wiley & Sons, New York. p. 189.
735Dana, J. D.1850A system of mineralogy: 3rd Edition. p. xx - yy.
736Dana, J. D., and E. S. Dana1944The System of Mineralogy, Silica Minerals: 7th Edition, Volume 3. Clifford Frondel, John Wiley & Sons Inc., New York.
737Daniell, G. B.1947Find those pictures: The Mineralogist, v. 15, no. 2, p. 107.
738Daniell, G. B., Jr.1956Find those pictures: The Mineralogist, v. 24, no. 2, p. 68.
739Daniels, F. J.1998Petrified Wood, the World of Fossilized Wood, Cones, Ferns, and Cycads: Western Colorado Publishing Co., Grand Junction, Colorado, 170 p.
740Daniels, J. L.1974Quartz Polyhedroids from Brazil: Lapidary Journal, v. 28, no. 9, p. 1408-1415.
741D'Arcy, N. A., Jr.1938Precious quartz: Rocks and Minerals, v. 13, no. 1, p. 10-14
742Darluc, M.1782Historie naturelle de la Provence. Publisher Unknown (not seen but seen cited)
743Darragh, P. J., Gaskin, A. J., and Sanders, J. V.1976Opals: Scientific American, v. 234, p. 84 - 05.
744Darragh, P. J., and Sanders, J. V.1965The origin of color in opal, based on electron microscopy: Reprinted from Australian Gemmologist, April, 1965, in Lapidary Journal, v. 19, no. 9, p. 1052-1057.
745Darwin, C.1859The origin of species by means of natural selection:or, The preservation of favored races in the struggle for life and The descent of man and selection in relation to sex. Various editions, mentions petrified wood.
746D'Ascenzo, N. G.1940Inclusions in quartz: Rocks and Minerals, v. 15, no. 3, p. 91.
747Daubree, A.1880Synthetische Studien zur Experimental Geologie: Braunschweig: Vieweg. Pagination not known.
748Daugherty, D., Mrs.1976Collecting petrified wood in Sonoma County, California: Lapidary Journal, v. 29, no. 10, p. 1882-1884.
749Daughters, M. R.1953California Wildflowers in California Gemstones: Lapidary Journal, v. 7, no. 3, p. 260, 262. Stone Canyon Jasper
750Davies, B.1949Opal mining in Australia: Reprinted from The Gemmologist in The Mineralogist, v. 17, no. 5, p. 230-232.
751Davies, B.1966Rock Hunting in the British Isles: Rocks and Minerals, v. 41, no. 12, p. 918-919. Cornwall, Penzance, Ross-shire
752Davies, S. N.1964Silica in streams and groundwater: American Journal of Science, v. 262, p. 870-891.
753Davies, W. E.1958Gem Hunting in England: Lapidary Journal, v. 12, no. 1, p. 28, 30
754Davin, L. A.1959Oregon, in world news on mineral occurrences: Rocks and Minerals, v. 34, no. 7,8, p. 308-309. Sucker Creek
755Davis, A. P.1960Aaron's Breastplate: Lapidary Journal, v. 14, no. 2, p. 168, 169, 171-174.
756Davis, A. P.1968The re-creation of an exact replica of Aaron's breastplate: Lapidary Journal, v. 22, no. 9, 1124-1128.
757Davis, D., and Davis, M.1956Tri-State Gem Trails: Lapidary Journal, v. 10, no. 1, p. 68, 70, 71. CA, NV, OR, Plush, NV, Hart Mt.
758Davis, O.1977An opal flower pin-pendant: Gems and Minerals, no. 480, p. 8, 81, 82.
759Dayvault, R.2000History of red wood collecting from the Yellow Cat area of Grand County, Utah: Matrix (Dillsburg, PA), v. 8, no. 1, p. 3-16
760DeCelles, P. G., and R. C. Gutschick1983Mississippian wood-grained chert and its significance in the western Interior United States: Journal of Sedimentary Petrology, v. 53, no. 4, p. 1175-1191.
761Deer, W. A., Howie, R. A., and Zussman, J.1992An Introduction to the Rock-Forming Minerals, 2nd ed., Longman Scientific and Technical, London: (Pagination not known, not seen).
762Deering, P. G.1967A Missouri Locality of Geodes for Oklahomans and Neighbors: Lapidary Journal, v. 20, no. 11, p. 1337-1339. El Dorado Springs.
763Dehmer, J., Hentschel, G., Horn, M., Kubanek, F., Noltner, T., Rieken, R., Wolf, M., and Zimmerle, W1949Die Vulkanisch-kieselige Gesteinassoziation am Beispeil der unterkarbonischen Kieselschiefer am Ostrand des heinschen Schiefergebirges: Geologie-Petrographie - Geochemie. Geologisches . Jahrbuch., Hessen, no. 117?, p. 79-138.
764DeGraw, H. M., and R. K. Pabian1980Collecting in Nebraska's Cretaceous Strata: Rocks and Minerals, v. 55, no. 3, p. 97-102.
765DeKun, N.1965The Mineral Resources of Africa: Elsevier Publishing Co., Amsterdam, London, New York, 740 p.
766DeLong, R. M.1972Bedrock geology of the Flint Ridge area, Licking and Muskingum counties, Ohio: Ohio Division of Geological Survey, Report of Investigations, 84, map with text.
767DeMent, J.1941Light and banding in agate: The Mineralogist, v. 9, no. 9, p. 342-343. diffused daylight ultra violet can effect banding
768Denison, H.1971Agate slab plus modern art equals rockgarden: Lapidary Journal, v. 25, no. 1, p. 26, 27
769Denison, H.1972Agate Night Light: Lapidary Journal, v. 25, no. 10, p. 1430-1432. Lapidary Project.
770Dennen, W. H.1965Impurities in Quartz: Geological Society of America Bulletin, v. 75, p. 241 - 246.
771Derby, C.1977The Eagle Agate: Lapidary Journal, v. 31, no. 3, p. 806-808. MT, pix
772De Rusha, L.1957Collecting in Michigan and Minnesota: Rocks and Minerals, v. 32, no. 11,12, p. 51-553. Binghamite, silkstone (yellow)
773Desautels, P. E.1971Gem Kingdom: Macdonald & Company, London. p. 20, 26, 27.
774Deutsch, A.1998New pathfinders to impact structures: The Finnish way: Meteorites and Planetary Science, v. 33, p. 3-5.
775DeVoe, D. F.1949aCollecting gems, Oregon Beaches: The Mineralogist, v. 17, no. 12, p. 576.
776DeVoe, D. F.1949bUnique Rogue River Field Trip: Lapidary Journal, v. 3, no. 4, p. 290, 292. Oregon
777DeVoe, D. F.1959Collecting gems, Oregon beaches: The Mineralogist, v. 27, no. 10,11, p. 203-204.
778Dewar, R.1980Good Ship Agate: Gems and Minerals, no. 517, p. 98-101. (How to article).
779Diack, A.1977aChalcedony Nomenclature, Part 1: Gemcraft, v. 4, no. 6, p. 373-374.
780Diack, A.1977bChalcedony Gems of Craig Parish: Gem Craft, v. 4, no. 7, p. 454-457.
781Diack, A.1977cChalcedony Nomenclature, Part 2: Gem Craft, v. 4, no. 8, p. 508-510.
782Diack, A.1979Quartz gemstones of Scotland: Lapidary Journal, v. 32, no. 12, p. 2618-2623.
783Dickerson, B.1974aHunting Luna (Laguna) Agates: Gems and Minerals, no. 438, p. 31, 41, 42. Luna, NM, FT---title error. 2.1 mi. W of Luna, NM, Apache Natl Forest.
784Dickerson, B.1974bAgate from Deming: Rock & Gem, v. 4, no. 2, p. 62-65.
785Dickerson, B.1978Field trip: Nebraska Blue Agate: Rock and Gem, v. 8, no. 10, p. 70, 71.
786Dickerson, B.1980San Carlos Agate: Gems and Minerals, no. 509, p. 22-23. (Mexico, Sonora)
787Dickerson, P. and Dickerson, F.1972The woods of Wyoming: Lapidary Journal, v. 26, no. 7, p. 1978-1082.
788Dickerson, P.1973"The incredible Mr. Hamilton": Lapidary Journal, v. 26, no. 12, p. 1704-1710. Lapidary, color pix
789Dickerson, P.1976Nevada's "Pink Wood": Lapidary Journal, v. 29, no. 2, p. 518-520. Texas Springs, NV, pink limb casts.
790Dickinson, K.1994Preliminary chemical and mineralogical analyses of the major volcanic ash beds in the Oligocene Brule Formation, northwestern Nebraska: OpenFile Report, U.S. Geological Survey, Report No. OF 94-0450, 21 p.
791Dick-Larkham, R.1940Superstition and Sentiment Accredited to Gemstones: The Gemmologist, v. 10, p. 40-43.
792Dickson, F. W., and G. Tunnell1955Geochemical and petrographic aspects of mercury ore deposits: Office of Naval Research Project NR 081-174.
793Dietrich, R. V.1978Official State Rocks and Minerals: Rocks and Minerals, p. 53, no 1, p. 15.
794Dietz, R. S., Pewe, T. L., and Wodehouse, M.1987Petrified Wood (Araucarioxylon arizonicum): Proposed as Arizona's State Fossil: Journal of the Arizona-Nevada Academy of Sciences, v. 22, no. 2, p. 109-115.
795Dietz, R. W.1965Play of color in precious opal: Gems and Minerals, no. 333, p. 16.
796Dietzel, W.1930Der versteinerte Wald von Chemnitz, Aus der Heimat: Naturwissenschaft Monatsschrift, v. 43, no. xx, p. 17-22.
797Diman, R. C., and L. W. Winget1980(Editors). Alfonso El Sabio. Lapidario and Libro de las formas & ymagenes: Hispanic Seminary of Medieval Studies, Ltd., Spanish Series 3. Madison, Wisconsin, 201 p.
798Dimick, A.1956Hidden Trails of Ash Spring Canyon: Gems and Mineals, no. 230, p. 25-28.
799Dimick, A.1957Arizona's Peloncillo Agate: Gems and Minerals, no. 242, p. 24-27.
800Dimick, A.1962Fire agate, turquoise, and chalcedony roses: Lapidary Journal, v. 16, no. 6, p. 568-572.
801Dimick, A.1963Southwest--Some of the Top Gem Locations of Eastern Arizona - Western New Mexico: Lapidary Journal, v. 17, no. 1, p. 156-163.
802Dinger, K. and Jebsen-Marwedel, H.1958Kieselsaure SiO2 als Mineral: Roh-und Werkstoff. Sprechsaal Fur Keramik, Glas, Email, v. 91, no. xx, p. 134-147.
803Dixey, F.194lThe Age of Silicified Surface Deposits in Northern Rhodesia, Angola and the Belgian Congo: Transactions of the Geological Society of South Africa, v. 44? p. 39 - 49.
804Dockery, D. T.1997Rocks and fossils collected from Mississippi gravel: Mississippi Geology, v. 16, no. 2, p. 25-42.
805Dodge, N. B.1948The dark field color immersion method: American Mineralogis, v. 33, no. xx, p. 541-549. After Moxon, 1996.
806Dolch, O., Jr.1980Ghost mines of New Spain (Now Old Mexico): Lapidary Journal, v. 34, no. 9, p. 2038-2040. general
807Dolenc, A.,1979Turritella Agate-a new find in southwest Wyoming: Lapidary Journal, v. 33, no. 8, p. 1692.
808Dolenc, A.1981Turitella Agate: Update: Lapidary Journal, v. 34, no. 11, p. 2484-2485.
809Domanski, M.1997Recrystallization of silica at low temperatures [abstract]: in 11th Victorian Universities Geoscience Conference, Abstracts, Geological Society of Australia, v. 46, p. 20, meeting, October 10, 1997, Clayton, Victoria, Australia
810Donahue, J. N.1962The Origin of Geodes: Gems and Minerals, no. 293, p. 51-52.
811Dong, G., Morrison, G., Jaireth, S.1995Quartz textures in epithermal veins, Queensland: classification, origin, and implications. Economic Geology, v. 90, p. 1841-1856.
812Donnay, J. D. H.1936La Birefringence de Forme dans la Chalcedonie: Society Geologique Belgique Annales, v?. 59, p. B289-B302.
813Dorf, E.1980Petrified forests of Yellowstone: Yellowstone National Park, Wyoming, Montana, and Idaho: Division of Publications, National Park Service, U.S. Department of the Interior, Washington, D. C., 31 p.
814Dotson, G.1955The Calico-Yermo Mineral Area in California: Lapidary Journal, v. 9, no. 5, p. 84, 86.
815Dotson, G.1973That second look: Lapidary Journal, v.27, no. 9, p. 1438-1440. Lapidary Projects.
816Dovey, G. E.1967Agate Hunting in Old Diamond Diggings---South Africa: Lapidary Journal, v. 20, no. 12, p. 1458-1460.
817Dow, R.1908Transactions Perth Natural Historical Society, v. 4, p. 87.
818Downing, P.1984?"Opal Cutting Made Easy:" Publisher not known, 76 p.
819Downing, P. B.1993Okanagan Opal: Lapidary Journal, v. 46, no. 11, p. 63-66.
820Downing, P. B.1996African Opal Unearthed: Lapidary Journal, v. 50, no. 1, p. 39-42.
821Draft, A. H.1956A new Washington locality: The Mineralogist, v. 24, no. 4, p. 158, 160, 162.
822Dragich, P.1961Free Agate Digging Sites Draw 50,000 Tourists Yearly: Lapidary Journal, v. 15, no. 1, p. 136.
823Dreher, Dr. O.1913Farben des Achates: Idar E. Kessler, p. 20. Translated by Farrington, O. C., 1926, reprinted in The Mineralogist, v. 7, no. 8, p. 331-332, 345-346.
824Duffield, R.1965Little Jo Opal: Gems and Minerals. Gems and Minerals, no. 338, p. 39-40.
825Duke, A.1957?Arizona Gem Fields: no further data xx p.
826Dukes, J. W.1976Processing Lake Superior Agate Nodules: Lapidary Journal, v. 30, no. 7, p. 1784.
827Dulaney, B.1975aTales of the Petrified Woods: Rocks and Minerals, v. 50, no. 4, p. 270-271. Washington state gem
828Dulaney, B.1975bTales of the Petrified Woods: Rocks and Minerals, v. 59, no. 12, p. 648. general
829Dunn, E. J.1913The Woolshed Valley, Beechworth: Bulletin of the Geological Survey of Queensland, 25.
830Dunning, A.1957Alabama Agate Locatio: Gems and Minerals, no. 235, p. 62.
831Dunstan, B.1898On the Mesozoic coal measures of Stanwell and associated formations: Geological Survey of Queensland Publication 131, p. 6, 8. Reported agate in Wycarbah district. Mount Hay.
832Dunstan, B.1900Progress report of the Geological Survey for the year 1899: Geological Survey of Queensland Publication 150, p. 14, 15.
833Dunstan, B.1903 (1904)Annual Report of the Undersecretary of Mines, Queensland, 1903 (1904), p. 171 - 175. Agate at Little River, Croydon.
834Dunstan, B.1905[Mineral Notes]. In Geological Survey of Queensland Publication 196, 1905 (Reocrds No. 2).
835Dunstan, B.1913Queensland mineral index and guide: Geological Survey of Queensland, Publication 241.
836Duron, J. F.1965Opal and opal hunters: Reprinted from "El Dia", Tegucigalpa, Hondruas, October 8, 1965, in Lapidary Journal, v. 19, no. 9, p. 1060-1961.
837Dustin, F.1932The Gems of Isle Royale, Michigan: Papers Michigan Academy of Sciences, Arts, and Letters, v. 16 (1931), pp. 383-398.
838Dustin, F.1936Agates of the Lake Superior Region: Rocks and Minerals, v. 11, no. 9, p. 152-155.
839Dustin, F.1939Minerals used by the Indians for making arrowpoints: Rocks and Minerals, v. 14, no. 7, p. 195-209, 213.
840Dustin, F.1942Mineral collecting in unpromising areas: Rocks and Minerals, v. 17, no. 3, p. 86-89. MI, FT
841Dustin, F.1971aMinerals used by the Indians for making arrowpoints, (Part I): Rocks and Minerals, v. 46, no. 11, p. 651-656.
842Dustin, F.1971bMinerals used by the Indians for making arrowpoints, (Part II): Rocks and Minerals, v. 46, no. 12, p. 723-729.
843Dysart, A.1959Johnson County, a mineral Mecca: The Mineralogist, v. 27, no. 2,3, p. 7-11. Oregon
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