| 658
| Dabney, R., and Wilbur, P. L.
| 1952
| Rockhounding Along the Rio Grande (In Colorado): Lapidary Journal, v. 6, no. 1, p. 20, 22, 24. Del Norte, Wolf Creek Pass
|
| 659
| Daggett, C. W.
| 1962
| Canal Zone full of agate (letter): Rocks and Minerals, v. 37, no. 1,2, p. 35.
|
| 660
| Daggett, J.
| 1980
| Dryhead: Lapidary Journal. v. 34, no. 9, p. 1930-1946. color illustrations.
|
| 661
| Daggett, J.
| 1981
| Dryhead agate mine begins 1981 operations: Lapidary Journal, v. 35, no. 4, p. 964.
|
| 662
| Daggett, J.
| 1982
| Dryhead. In Sutherland, A., Gray, R., and Tait, A., (editors), Agate Symposium Proceedings: Royal Scottish Museum, Chambers Street, Ediuburgh, 24 April, 1982. p. 76-83.
|
| 663
| Dahlberg, J. C.
| 1971
| The book that broke a silence: Lapidary Journal, v. 25, no. 7, p. 966-970.
|
| 664
| Dahlberg, J. C.
| 1973
| A rockhound on Minnesota's Iron Range: Lapidary Journal, v. 26, no.10, p. 1424-1426, 1436, 1437. Lakers
|
| 665
| Dahlberg, J. C.
| 1976
| They are still finding them: Lapidary Journal, v. 30, no. 8, p. 1940-1945. MN, lakers, Moder Agate
|
| 666
| Dahlberg, J. C.
| 1977
| Hunt rocks in the land of many waters: Lapidary Journal, v. 31, no. 1, p. 432-435. Lakers, MN
|
| 667
| Dahlberg, J. C.
| 1979a
| The woods of North Dakota: Lapidary Journal, v. 33, no. 2, p. 606-609. Hettinger City Wood.
|
| 668
| Dahlberg, J. C.
| 1979b
| Rocks change lifestyle: Lapidary Journal, v. 33, no. 7, p. 1560-1562. Roland and Lorene Rasmussen
|
| 669
| Dahlberg, J. C.
| 1979c
| Is this the record?: Lapidary Journal, v. 33, no. 8, p.1772. 108 lb. Lake Superior Agate. No, not really, chert, rkp.
|
| 670
| Dahlberg, J. C.
| 1982
| Take another look at Minnesota's rocks: Lapidary Journal, v. 36, no. 1, p. 66-72. color pix
|
| 671
| Dahlquest, W.W.
| 1974
| Golden agates of the Big Bend: Lapidary Journal, v. 28, no. 7, p. 1140-1146.
|
| 672
| Dake, H. C.
| 1927
| Collecting in Oregon and Idaho: Rocks and Minerals, v. 2, no. 4, p. 138-139.
|
| 673
| Dake, H. C.
| 1928
| A unique mineral locality in Oregon: Rocks and Minerals, v. 3, no. 1, p. 19. Opal Springs, opal, Crooked River
|
| 674
| Dake, H. C.
| 1929a
| Quartz at Antelope, Oregon: Rocks and Minerals, v. 3, no. 4, p. 108.
|
| 675
| Dake, H. C.
| 1929b
| Tracks across the sage: Reprinted in the Mineralogist, 1945, v. 13, no. 12, p. 472-473.
|
| 676
| Dake, H. C.
| 1934a
| A New Form of Agate - stones with 'rainbow' bands discovered in America: The Gemmologist, v. 3?, 283-285.
|
| 677
| Dake, H. C.
| 1934b
| New Rainbow Agate (from Oregon): The Gemmologist, v.2?, p. 283.
|
| 678
| Dake, H. C.
| 1934c
| Observations on two types hydrophane opal: Oregon Mineralogist, v. 2, no. 5, p. 8. Opal Butte, Hepner, OR
|
| 679
| Dake, H. C.
| 1934d
| Inclusions 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
|
| 680
| Dake, H. C.
| 1934e
| How large flat surfaces on specimens are polished: Oregon Mineralogist, v. 2, no. 5, p. 14.
|
| 681
| Dake, H. C.
| 1934f
| The lapidary art as practised in ancient and medieval days: Oregon Mineralogist, v. 2, no. 10, p. 11, 12.
|
| 682
| Dake, H. C.
| 1936
| Fluorescent opal: The Mineralogist, v. 4, no. 3, p. 20.
|
| 683
| Dake, H. C.
| 1937a
| A day in Horse Heaven Hills: The Mineralogist, v. 5, no. 5, p. 11, 12. WA
|
| 684
| Dake, H. C.
| 1937b
| A day in the Gingko Forest: The Mineralogist, v. 5, no. 9, p. 7, 8, 24.
|
| 685
| Dake, H. C.
| 1937c
| Some world famous opals: The Mineralogist, v. 5, no. 12, p. 9-10. 18.
|
| 686
| Dake, H. C.
| 1938a
| Gem Mining in Oregon: Gemmologist, v. 6, p. 317-319.
|
| 687
| Dake, H. C.
| 1938b
| The gem minerals of Oregon: Oregon Department of Geology and Mineral Resources. Bulletin 7. 16 p.
|
| 688
| Dake, H. C.
| 1938c
| Mann's Creek Petrified Forest., Some Idaho Localities: The Mineralogist, v. 6, no. 11, p. 9-10. Mann's Creek, Weiser Cove, Mesa, Hog Creek
|
| 689
| Dake, H. C.
| 1939
| Cause of fluorescence in agate: The Mineralogist, v. 7, no. 3, p. 93-94, 126. 127.
|
| 690
| Dake, H. C.
| 1940a
| A day in the Sweethome Forest: The Mineralogist, v. 8, no.3, p. 83, 84, 107-108.
|
| 691
| Dake, H. C.
| 1940b
| "Trailing the 'Thunder Egg'": The Mineralogist, v. 8, no. 8, p. 335-336, 349. Central Oregon, Berkely, California
|
| 692
| Dake, H. C.
| 1940c
| An agate collector's Mecca: The Mineralogist, v. 8, no. 12, p. 487. Texas, Rio Grande Agate.
|
| 693
| Dake, H. C.
| 1941a
| History of Virgin Valley, Nevada. Largest opal field: The Mineralogist, v. 9, no. 1, p. 7, 8, 22-24.
|
| 694
| Dake, H. C.
| 1941b
| The blue agate of Washington: The Mineralogist, v. 10, no. 2, p. 49, 50. N of Cle Elum on Hwy 97, Kittitas Co., Ellensburg?
|
| 695
| Dake, H. C.
| 1942a
| Worm bored woods - conifer cones - some rare petrifactions: The Mineralogists, v. 10, no. 1, p. 11, 12, 20, 22, 24, 25.
|
| 696
| Dake, H. C.
| 1942b
| The Anderson Collection: The Mineralogist, v. 10, no. 5, p. 141-144. Saddle Mt. WA
|
| 697
| Dake, H. C.
| 1942c
| Latah Petrified Forests: The Mineralogist, v. 10, no. 11, p. 339, 340, 352-354. E WA, OR
|
| 698
| Dake, H. C.
| 1943a
| The Kamloops Petrified Forest: the Mineralogist, v. 11, no. 2, p. 50. Washington
|
| 699
| Dake, H. C.
| 1943b
| New Localities --- Sucker Creek: The Mineralogist, v. 11, no. 11, p. 339, 340. Succor Creek, Idaho, Oregon.
|
| 700
| Dake, H. C.
| 1943c
| New Oregon Locality: The Mineralogist, v. 11, no. 11, p. 341. Steens Mountains, Harney County, Oregon.
|
| 701
| Dake, H. C.
| 1944
| The Saddle Mountain Locality: The Mineralogist, v. 12, no 1, p. 11, 22, 23. WA
|
| 702
| Dake, H. C.
| 1946a
| Texas Agate: The Mineralogist, v. 14, no. 1, 50-52. Rio Grande Agate.
|
| 703
| Dake, H. C.
| 1946b
| Coloring Agates. The Mineralogist, v. 14, no. 9, p. 494-496.
|
| 704
| Dake, H. C.
| 1947a
| Coloring agates: The Mineralogist, v. 15, no. 10, p. 552-554.
|
| 705
| Dake, H. C.
| 1947b
| An Oregon Discovery: The Mineralogist, v. 15, no. 11, p. 578, 580. Osmundites.
|
| 706
| Dake, H. C.
| 1948
| Gem mining, a new Oregon Industry: The Mineralogist, v. 16, no. 6,7, p. 296, 298, 300.
|
| 707
| Dake, H. C.
| 1950a
| The Agate Book: The Mineralogist Magazine, Portland, Oregon. 63 p.
|
| 708
| Dake, H. C.
| 1950b
| Some world famous opals: The Mineralogist, v. 18, no. 2, p. 80, 82, 84, 86.
|
| 709
| Dake, H. C.
| 1950c
| Uranium found in Montana agate: The Mineralogist, v. 18, nos. 7,8, p. 358, 360.
|
| 710
| Dake, H. C.
| 1953
| Home - Sweet Home: The Mineralogist, v. 21, no. 9, p. 302, 304. Or
|
| 711
| Dake, H. C.
| 1954a
| Agate-filled thunder egg genesis: The Mineralogist, v. 22, no. 1, p. 8-14.
|
| 712
| Dake, H. C.
| 1954b
| Opal in Oregon: The Mineralogist, v. 22, no. 2, p. 68, 70, 72, 74. Hart Mt opal Field, Lake Co.,
|
| 713
| Dake, H. C.
| 1954c
| Largest petrified tree: The Mineralogist, v. 22, no. 4, p. 154, 156, 158. Idaho.
|
| 714
| Dake, H. C.
| 1954d
| Fossil conifer cones: The Mineralogist, v. 22, no. 5, p. 214, 216, 218.
|
| 715
| Dake, H. C.
| 1954e
| New Oregon localities revealed: The Mineralogist, v. 22, no. 10, p. 341-343. Ashwood, Hay Creek areas
|
| 716
| Dake, H. C.
| 1954f
| Quartz family gems long popular: The Mineralogist, v. 22, no. 10, p. 373, 374, 376.
|
| 717
| Dake, H. C.
| 1954g
| Oregon agate bonanza: The Mineralogist, v. 22, no. 11, p. 385. Antelope, Oregon, historical
|
| 718
| Dake, H. C.
| 1956a
| Inclusions in agate: The Mineralogist, v. 24, no. 3, p. 137.
|
| 719
| Dake, H. C.
| 1956b
| Are opals priced too low: The Mineralogist, v. 24, no. 9, p. 310, 312, 314.
|
| 720
| Dake, H. C.
| 1956c
| The Art of Gem Cutting, 6th Edition: Portland Oregon.
|
| 721
| Dake, H. C.
| 1958a
| Pony Butte thunder egg mine: The Mineralogist, v. 26, no. 4,5, p. 99-104.
|
| 722
| Dake, H. C.
| 1958b
| A day in Horse Heaven Hills: The Mineralogist, v. 26, no. 10,11, p. 246, 247.
|
| 723
| Dake, H. C.
| 1959
| Problems in wood identification: The Mineralogist, v. 29, no. 12,1, p. 248-250.
|
| 724
| Dake, H. C.
| 1960
| Cameos and came collecting: The Mineralogist, v. 28, no. 6,7,8, p. 105-107.
|
| 725
| Dake, H. C.
| 1969
| Rarest of all opal---Black Nevada. Gems and Minerals, no. 383, p. 9-11.
|
| 726
| Dake, H. C.
| 1969a
| Oregon Tempskya locality: Gems and Minerals, no. 384, p. 62-63.
|
| 727
| Dake, H. C.
| 1969b
| Rare fossil wood: Gems and Minerals, v. 385, p. 57. OR, FT, Sterculia.
|
| 728
| Dake, H. C.
| 1970
| Treatment of Nevada opal: Gems and Minerals, v. 388, p. 51, 52.
|
| 729
| Dake, H. C., F. L. Fleener, and B. H. Wilson
| 1938
| Quartz Family Minerals: A Handbook for the mineral collector: Whittlesay House, McGraw-Hill & Company. 304 p.
|
| 730
| Dale, N.
| 1981
| The Fire Agate Jungle: Lapidary Journal, v. 34, no. 11, p. 2322, 2326.Lapidary project.
|
| 731
| Dall, W. H.
| 1915
| Monograph of the molluscan fauna of the Orthaulax pugnax Zone of the Oligocene of Tampa, Florida: U. S. National Museum Bulletin 90. 173 p.
|
| 732
| Dana, E. S.
| 1898
| A Text Book of Mineralogy, 2nd Edition: John Wiley & Sons, New York. p. 279.
|
| 733
| Dana, J. D.
| 1837
| A system of mineralogy including an extensive treatise on crystallography, etc., first edition: New Haven, Connecticut.
|
| 734
| Dana, J. D.
| 1837-1868
| The System of Mineralogy of James Dwight Dana: 6th Edition, John Wiley & Sons, New York. p. 189.
|
| 735
| Dana, J. D.
| 1850
| A system of mineralogy: 3rd Edition. p. xx - yy.
|
| 736
| Dana, J. D., and E. S. Dana
| 1944
| The System of Mineralogy, Silica Minerals: 7th Edition, Volume 3. Clifford Frondel, John Wiley & Sons Inc., New York.
|
| 737
| Daniell, G. B.
| 1947
| Find those pictures: The Mineralogist, v. 15, no. 2, p. 107.
|
| 738
| Daniell, G. B., Jr.
| 1956
| Find those pictures: The Mineralogist, v. 24, no. 2, p. 68.
|
| 739
| Daniels, F. J.
| 1998
| Petrified Wood, the World of Fossilized Wood, Cones, Ferns, and Cycads: Western Colorado Publishing Co., Grand Junction, Colorado, 170 p.
|
| 740
| Daniels, J. L.
| 1974
| Quartz Polyhedroids from Brazil: Lapidary Journal, v. 28, no. 9, p. 1408-1415.
|
| 741
| D'Arcy, N. A., Jr.
| 1938
| Precious quartz: Rocks and Minerals, v. 13, no. 1, p. 10-14
|
| 742
| Darluc, M.
| 1782
| Historie naturelle de la Provence. Publisher Unknown (not seen but seen cited)
|
| 743
| Darragh, P. J., Gaskin, A. J., and Sanders, J. V.
| 1976
| Opals: Scientific American, v. 234, p. 84 - 05.
|
| 744
| Darragh, P. J., and Sanders, J. V.
| 1965
| The 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.
|
| 745
| Darwin, C.
| 1859
| The 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.
|
| 746
| D'Ascenzo, N. G.
| 1940
| Inclusions in quartz: Rocks and Minerals, v. 15, no. 3, p. 91.
|
| 747
| Daubree, A.
| 1880
| Synthetische Studien zur Experimental Geologie: Braunschweig: Vieweg. Pagination not known.
|
| 748
| Daugherty, D., Mrs.
| 1976
| Collecting petrified wood in Sonoma County, California: Lapidary Journal, v. 29, no. 10, p. 1882-1884.
|
| 749
| Daughters, M. R.
| 1953
| California Wildflowers in California Gemstones: Lapidary Journal, v. 7, no. 3, p. 260, 262. Stone Canyon Jasper
|
| 750
| Davies, B.
| 1949
| Opal mining in Australia: Reprinted from The Gemmologist in The Mineralogist, v. 17, no. 5, p. 230-232.
|
| 751
| Davies, B.
| 1966
| Rock Hunting in the British Isles: Rocks and Minerals, v. 41, no. 12, p. 918-919. Cornwall, Penzance, Ross-shire
|
| 752
| Davies, S. N.
| 1964
| Silica in streams and groundwater: American Journal of Science, v. 262, p. 870-891.
|
| 753
| Davies, W. E.
| 1958
| Gem Hunting in England: Lapidary Journal, v. 12, no. 1, p. 28, 30
|
| 754
| Davin, L. A.
| 1959
| Oregon, in world news on mineral occurrences: Rocks and Minerals, v. 34, no. 7,8, p. 308-309. Sucker Creek
|
| 755
| Davis, A. P.
| 1960
| Aaron's Breastplate: Lapidary Journal, v. 14, no. 2, p. 168, 169, 171-174.
|
| 756
| Davis, A. P.
| 1968
| The re-creation of an exact replica of Aaron's breastplate: Lapidary Journal, v. 22, no. 9, 1124-1128.
|
| 757
| Davis, D., and Davis, M.
| 1956
| Tri-State Gem Trails: Lapidary Journal, v. 10, no. 1, p. 68, 70, 71. CA, NV, OR, Plush, NV, Hart Mt.
|
| 758
| Davis, O.
| 1977
| An opal flower pin-pendant: Gems and Minerals, no. 480, p. 8, 81, 82.
|
| 759
| Dayvault, R.
| 2000
| History of red wood collecting from the Yellow Cat area of Grand County, Utah: Matrix (Dillsburg, PA), v. 8, no. 1, p. 3-16
|
| 760
| DeCelles, P. G., and R. C. Gutschick
| 1983
| Mississippian wood-grained chert and its significance in the western Interior United States: Journal of Sedimentary Petrology, v. 53, no. 4, p. 1175-1191.
|
| 761
| Deer, W. A., Howie, R. A., and Zussman, J.
| 1992
| An Introduction to the Rock-Forming Minerals, 2nd ed., Longman Scientific and Technical, London: (Pagination not known, not seen).
|
| 762
| Deering, P. G.
| 1967
| A Missouri Locality of Geodes for Oklahomans and Neighbors: Lapidary Journal, v. 20, no. 11, p. 1337-1339. El Dorado Springs.
|
| 763
| Dehmer, J., Hentschel, G., Horn, M., Kubanek, F., Noltner, T., Rieken, R., Wolf, M., and Zimmerle, W
| 1949
| Die Vulkanisch-kieselige Gesteinassoziation am Beispeil der unterkarbonischen Kieselschiefer am Ostrand des heinschen Schiefergebirges: Geologie-Petrographie - Geochemie. Geologisches . Jahrbuch., Hessen, no. 117?, p. 79-138.
|
| 764
| DeGraw, H. M., and R. K. Pabian
| 1980
| Collecting in Nebraska's Cretaceous Strata: Rocks and Minerals, v. 55, no. 3, p. 97-102.
|
| 765
| DeKun, N.
| 1965
| The Mineral Resources of Africa: Elsevier Publishing Co., Amsterdam, London, New York, 740 p.
|
| 766
| DeLong, R. M.
| 1972
| Bedrock geology of the Flint Ridge area, Licking and Muskingum counties, Ohio: Ohio Division of Geological Survey, Report of Investigations, 84, map with text.
|
| 767
| DeMent, J.
| 1941
| Light and banding in agate: The Mineralogist, v. 9, no. 9, p. 342-343. diffused daylight ultra violet can effect banding
|
| 768
| Denison, H.
| 1971
| Agate slab plus modern art equals rockgarden: Lapidary Journal, v. 25, no. 1, p. 26, 27
|
| 769
| Denison, H.
| 1972
| Agate Night Light: Lapidary Journal, v. 25, no. 10, p. 1430-1432. Lapidary Project.
|
| 770
| Dennen, W. H.
| 1965
| Impurities in Quartz: Geological Society of America Bulletin, v. 75, p. 241 - 246.
|
| 771
| Derby, C.
| 1977
| The Eagle Agate: Lapidary Journal, v. 31, no. 3, p. 806-808. MT, pix
|
| 772
| De Rusha, L.
| 1957
| Collecting in Michigan and Minnesota: Rocks and Minerals, v. 32, no. 11,12, p. 51-553. Binghamite, silkstone (yellow)
|
| 773
| Desautels, P. E.
| 1971
| Gem Kingdom: Macdonald & Company, London. p. 20, 26, 27.
|
| 774
| Deutsch, A.
| 1998
| New pathfinders to impact structures: The Finnish way: Meteorites and Planetary Science, v. 33, p. 3-5.
|
| 775
| DeVoe, D. F.
| 1949a
| Collecting gems, Oregon Beaches: The Mineralogist, v. 17, no. 12, p. 576.
|
| 776
| DeVoe, D. F.
| 1949b
| Unique Rogue River Field Trip: Lapidary Journal, v. 3, no. 4, p. 290, 292. Oregon
|
| 777
| DeVoe, D. F.
| 1959
| Collecting gems, Oregon beaches: The Mineralogist, v. 27, no. 10,11, p. 203-204.
|
| 778
| Dewar, R.
| 1980
| Good Ship Agate: Gems and Minerals, no. 517, p. 98-101. (How to article).
|
| 779
| Diack, A.
| 1977a
| Chalcedony Nomenclature, Part 1: Gemcraft, v. 4, no. 6, p. 373-374.
|
| 780
| Diack, A.
| 1977b
| Chalcedony Gems of Craig Parish: Gem Craft, v. 4, no. 7, p. 454-457.
|
| 781
| Diack, A.
| 1977c
| Chalcedony Nomenclature, Part 2: Gem Craft, v. 4, no. 8, p. 508-510.
|
| 782
| Diack, A.
| 1979
| Quartz gemstones of Scotland: Lapidary Journal, v. 32, no. 12, p. 2618-2623.
|
| 783
| Dickerson, B.
| 1974a
| Hunting 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.
|
| 784
| Dickerson, B.
| 1974b
| Agate from Deming: Rock & Gem, v. 4, no. 2, p. 62-65.
|
| 785
| Dickerson, B.
| 1978
| Field trip: Nebraska Blue Agate: Rock and Gem, v. 8, no. 10, p. 70, 71.
|
| 786
| Dickerson, B.
| 1980
| San Carlos Agate: Gems and Minerals, no. 509, p. 22-23. (Mexico, Sonora)
|
| 787
| Dickerson, P. and Dickerson, F.
| 1972
| The woods of Wyoming: Lapidary Journal, v. 26, no. 7, p. 1978-1082.
|
| 788
| Dickerson, P.
| 1973
| "The incredible Mr. Hamilton": Lapidary Journal, v. 26, no. 12, p. 1704-1710. Lapidary, color pix
|
| 789
| Dickerson, P.
| 1976
| Nevada's "Pink Wood": Lapidary Journal, v. 29, no. 2, p. 518-520. Texas Springs, NV, pink limb casts.
|
| 790
| Dickinson, K.
| 1994
| Preliminary 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.
|
| 791
| Dick-Larkham, R.
| 1940
| Superstition and Sentiment Accredited to Gemstones: The Gemmologist, v. 10, p. 40-43.
|
| 792
| Dickson, F. W., and G. Tunnell
| 1955
| Geochemical and petrographic aspects of mercury ore deposits: Office of Naval Research Project NR 081-174.
|
| 793
| Dietrich, R. V.
| 1978
| Official State Rocks and Minerals: Rocks and Minerals, p. 53, no 1, p. 15.
|
| 794
| Dietz, R. S., Pewe, T. L., and Wodehouse, M.
| 1987
| Petrified Wood (Araucarioxylon arizonicum): Proposed as Arizona's State Fossil: Journal of the Arizona-Nevada Academy of Sciences, v. 22, no. 2, p. 109-115.
|
| 795
| Dietz, R. W.
| 1965
| Play of color in precious opal: Gems and Minerals, no. 333, p. 16.
|
| 796
| Dietzel, W.
| 1930
| Der versteinerte Wald von Chemnitz, Aus der Heimat: Naturwissenschaft Monatsschrift, v. 43, no. xx, p. 17-22.
|
| 797
| Diman, R. C., and L. W. Winget
| 1980
| (Editors). Alfonso El Sabio. Lapidario and Libro de las formas & ymagenes: Hispanic Seminary of Medieval Studies, Ltd., Spanish Series 3. Madison, Wisconsin, 201 p.
|
| 798
| Dimick, A.
| 1956
| Hidden Trails of Ash Spring Canyon: Gems and Mineals, no. 230, p. 25-28.
|
| 799
| Dimick, A.
| 1957
| Arizona's Peloncillo Agate: Gems and Minerals, no. 242, p. 24-27.
|
| 800
| Dimick, A.
| 1962
| Fire agate, turquoise, and chalcedony roses: Lapidary Journal, v. 16, no. 6, p. 568-572.
|
| 801
| Dimick, A.
| 1963
| Southwest--Some of the Top Gem Locations of Eastern Arizona - Western New Mexico: Lapidary Journal, v. 17, no. 1, p. 156-163.
|
| 802
| Dinger, K. and Jebsen-Marwedel, H.
| 1958
| Kieselsaure SiO2 als Mineral: Roh-und Werkstoff. Sprechsaal Fur Keramik, Glas, Email, v. 91, no. xx, p. 134-147.
|
| 803
| Dixey, F.
| 194l
| The 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.
|
| 804
| Dockery, D. T.
| 1997
| Rocks and fossils collected from Mississippi gravel: Mississippi Geology, v. 16, no. 2, p. 25-42.
|
| 805
| Dodge, N. B.
| 1948
| The dark field color immersion method: American Mineralogis, v. 33, no. xx, p. 541-549. After Moxon, 1996.
|
| 806
| Dolch, O., Jr.
| 1980
| Ghost mines of New Spain (Now Old Mexico): Lapidary Journal, v. 34, no. 9, p. 2038-2040. general
|
| 807
| Dolenc, A.,
| 1979
| Turritella Agate-a new find in southwest Wyoming: Lapidary Journal, v. 33, no. 8, p. 1692.
|
| 808
| Dolenc, A.
| 1981
| Turitella Agate: Update: Lapidary Journal, v. 34, no. 11, p. 2484-2485.
|
| 809
| Domanski, M.
| 1997
| Recrystallization 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
|
| 810
| Donahue, J. N.
| 1962
| The Origin of Geodes: Gems and Minerals, no. 293, p. 51-52.
|
| 811
| Dong, G., Morrison, G., Jaireth, S.
| 1995
| Quartz textures in epithermal veins, Queensland: classification, origin, and implications. Economic Geology, v. 90, p. 1841-1856.
|
| 812
| Donnay, J. D. H.
| 1936
| La Birefringence de Forme dans la Chalcedonie: Society Geologique Belgique Annales, v?. 59, p. B289-B302.
|
| 813
| Dorf, E.
| 1980
| Petrified 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.
|
| 814
| Dotson, G.
| 1955
| The Calico-Yermo Mineral Area in California: Lapidary Journal, v. 9, no. 5, p. 84, 86.
|
| 815
| Dotson, G.
| 1973
| That second look: Lapidary Journal, v.27, no. 9, p. 1438-1440. Lapidary Projects.
|
| 816
| Dovey, G. E.
| 1967
| Agate Hunting in Old Diamond Diggings---South Africa: Lapidary Journal, v. 20, no. 12, p. 1458-1460.
|
| 817
| Dow, R.
| 1908
| Transactions Perth Natural Historical Society, v. 4, p. 87.
|
| 818
| Downing, P.
| 1984?
| "Opal Cutting Made Easy:" Publisher not known, 76 p.
|
| 819
| Downing, P. B.
| 1993
| Okanagan Opal: Lapidary Journal, v. 46, no. 11, p. 63-66.
|
| 820
| Downing, P. B.
| 1996
| African Opal Unearthed: Lapidary Journal, v. 50, no. 1, p. 39-42.
|
| 821
| Draft, A. H.
| 1956
| A new Washington locality: The Mineralogist, v. 24, no. 4, p. 158, 160, 162.
|
| 822
| Dragich, P.
| 1961
| Free Agate Digging Sites Draw 50,000 Tourists Yearly: Lapidary Journal, v. 15, no. 1, p. 136.
|
| 823
| Dreher, Dr. O.
| 1913
| Farben 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.
|
| 824
| Duffield, R.
| 1965
| Little Jo Opal: Gems and Minerals. Gems and Minerals, no. 338, p. 39-40.
|
| 825
| Duke, A.
| 1957?
| Arizona Gem Fields: no further data xx p.
|
| 826
| Dukes, J. W.
| 1976
| Processing Lake Superior Agate Nodules: Lapidary Journal, v. 30, no. 7, p. 1784.
|
| 827
| Dulaney, B.
| 1975a
| Tales of the Petrified Woods: Rocks and Minerals, v. 50, no. 4, p. 270-271. Washington state gem
|
| 828
| Dulaney, B.
| 1975b
| Tales of the Petrified Woods: Rocks and Minerals, v. 59, no. 12, p. 648. general
|
| 829
| Dunn, E. J.
| 1913
| The Woolshed Valley, Beechworth: Bulletin of the Geological Survey of Queensland, 25.
|
| 830
| Dunning, A.
| 1957
| Alabama Agate Locatio: Gems and Minerals, no. 235, p. 62.
|
| 831
| Dunstan, B.
| 1898
| On 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.
|
| 832
| Dunstan, B.
| 1900
| Progress report of the Geological Survey for the year 1899: Geological Survey of Queensland Publication 150, p. 14, 15.
|
| 833
| Dunstan, B.
| 1903 (1904)
| Annual Report of the Undersecretary of Mines, Queensland, 1903 (1904), p. 171 - 175. Agate at Little River, Croydon.
|
| 834
| Dunstan, B.
| 1905
| [Mineral Notes]. In Geological Survey of Queensland Publication 196, 1905 (Reocrds No. 2).
|
| 835
| Dunstan, B.
| 1913
| Queensland mineral index and guide: Geological Survey of Queensland, Publication 241.
|
| 836
| Duron, J. F.
| 1965
| Opal and opal hunters: Reprinted from "El Dia", Tegucigalpa, Hondruas, October 8, 1965, in Lapidary Journal, v. 19, no. 9, p. 1060-1961.
|
| 837
| Dustin, F.
| 1932
| The Gems of Isle Royale, Michigan: Papers Michigan Academy of Sciences, Arts, and Letters, v. 16 (1931), pp. 383-398.
|
| 838
| Dustin, F.
| 1936
| Agates of the Lake Superior Region: Rocks and Minerals, v. 11, no. 9, p. 152-155.
|
| 839
| Dustin, F.
| 1939
| Minerals used by the Indians for making arrowpoints: Rocks and Minerals, v. 14, no. 7, p. 195-209, 213.
|
| 840
| Dustin, F.
| 1942
| Mineral collecting in unpromising areas: Rocks and Minerals, v. 17, no. 3, p. 86-89. MI, FT
|
| 841
| Dustin, F.
| 1971a
| Minerals used by the Indians for making arrowpoints, (Part I): Rocks and Minerals, v. 46, no. 11, p. 651-656.
|
| 842
| Dustin, F.
| 1971b
| Minerals used by the Indians for making arrowpoints, (Part II): Rocks and Minerals, v. 46, no. 12, p. 723-729.
|
| 843
| Dysart, A.
| 1959
| Johnson County, a mineral Mecca: The Mineralogist, v. 27, no. 2,3, p. 7-11. Oregon
|
| 844
| Dziadik, G.
| 1945
| Some minerals of the Galapagos Islands: Rocks and Minerals, v. 20, no. 1, p. 7-9
|