| 472
| Cadle, B.
| 1972
| Rockhounding in Australia: Lapidary Journal, v. 26, no. 7, p. 1034-1039.
|
| 473
| Cady, S. L.
| 1994
| Microfibrous quartz and crystalline opaline silica varieties; microstructural characteristics by transmission electron microscopy and quantitative X-ray texture analysis: Unpublished PhD Dissertation, University of California, Berkeley.
|
| 474
| Cady, S. L. and Wenk, H. R.
| 1992
| An HRTEM investigation of the metastable low-temperature silica phase opal-CT in cherts and porcelainites from the Monterey Formation, CA: Geological Society of America Abstracts with Programs, v. 24, p. A-116.
|
| 475
| Cady, S. L., Wenk, H. R., Kilaas, R., and Barber, D. J.
| 1993
| Enantiomorphism and planar defect in length fast chalcedony: In Boland, J. N., and Fitz Gerald, J. D., (editors) Defects and Processes in Solid State: Geoscience Applications, Elsevier, Amsterdam, p. 383-499.
|
| 476
| Cahen, E.
| 1930?
| Jelly Chemistry: Rocks and Minerals. v. 3, no. 4, p.112-116
|
| 477
| Cain, E. E. H.
| 1952
| Oregon - the Home of the Thunderegg: Lapidary Journal. v. 6, n. 1, p. 4-6, 8, 9
|
| 478
| Caldwell, M., Miss
| 1948
| Blue agates and dendrites: The Mineralogist, v. 16, n. 2, pp. 99, 100, 102.
|
| 479
| Caley, E. R., and J. F. C. Richards, translators
| 1956
| Theophrastus on Stones, Greek Text, English translation and commentary: Ohio State University Press, Columbus, Ohio. 238 p.
|
| 480
| California Division of Mines
| 1950
| Jade and chrysoprase in Tulare County: Mineral Infromation Service v. 3, no. 1, p. 2.
|
| 481
| Call, H. C.
| 1974
| Chalcedony pseudomorph after coral or agatized coral: Rocks and Minerals, v. 49, no. 9, pp. 561-562. Florida, agatization processses.
|
| 482
| Call, R. E.
| 1891
| The Tertiary silicified woods of eastern Arkansas: American Journal of Science, v. 42, p. 394-401.
|
| 483
| Call, R. E.
| 1892
| The Tertiary silicified woods of eastern Arkansas: Iowa Academy of Sciences Proceedings, volume 1, part 2, p. 37-43.
|
| 484
| Calvert, S. E.
| 1977
| Mineralogy and silica phases in deep-sea cherts and porcelainites: Philosophical Transactions Royal Society London, A, no.? 286, p. 239-252.
|
| 485
| Cameron, W. E.
| 1900
| The Etheridge and Gilbert Gold Fields: Geological Survey of Queensland, Report no. 151. Cited without title in Ridgway (1945, p. 299) and sometimes erroneously listed as Geological Society of Queensland.
|
| 486
| Campbell, F. J.
| 1951
| Displaying pictures in rocks: The Mineralogist, v. 19, no. 5, p. 267, 268, 270, 272, 274.
|
| 487
| Campbell, I. C.
| 1980
| Personal notes on gems, minerals, and related aspects: Zimbabwe, Rhodesia: Lapidary Journal, v. 33, no. 12, p. 2635. FT
|
| 488
| Campbell, R. W.
| 1978
| Nova Scotia Wood: Lapidary Journal, v. 32, no. 4, p. 998-1000. Canadian Rockhound, 1966. Princeton fossil wood. v. 10, p. 126-127. (to anon)
|
| 489
| Campbell, T. J. and Roberts, W. L.
| 1985
| Mineral Localities in the Black Hills of South Dakota: Rocks and Minerals, v. 60, no. 3, p. 109-118.
|
| 490
| Canfield, F. A
| 1889
| A Catalogue of Minerals Found in New Jersey: Final Report of the State Geologist, Volume 2, Trenton, New Jersey. p. 3.
|
| 491
| Cannon, G. L.
| 1903
| Fossil woods of the Platte River Valley: The Proceedings of the Colorado Scientific Society, Volume 7.
|
| 492
| Canton, P. M.
| 1974
| Fire Agates in Arizona and California. Lapidary Journal v. 31, no. 3, p. 812 - 818. Coon Hollow, CA; Sitgreaves (Meadow Creek) Pass, AZ; Saddle Mt. AZ; Ash Peak Creek AZ; Clifton, AZ; Duncan, AZ; Bowie, AZ; Deer Creek, AZ; terminology: Peacock, royal, select, mine run=regulars date may be 1977, rkp
|
| 493
| Carey, E.
| 1968
| The fabulous Carey Plume Agate Bed: Lapidary Journal, v. 22, no. 3, p. 444-445. Oregon
|
| 494
| Carlson, B.
| 1979
| Twelve Mile: Gems and Minerals, no. 495, p. 56, 83. (field trip)
|
| 495
| Carlson, G. F. and Peacock, C. A.
| 1975
| Lithic Distribution in Nebraska: in Lithic Source Notebook, Section of Archaeology, Division of Historical and Cultural Affairs, State of Delaware, Milford, Delaware.
|
| 496
| Carozzi, A. V.
| 1960
| Microscopic Sedimentary Petrography: John Wiley and Sons, New York, 485 p. Pisolites in agate.
|
| 497
| Carpenter, A. C.
| 1963
| About Missouri Agate and Mozarkite: Lapidary Journal, v. 17, no. 1, p. 117.
|
| 498
| Carpenter, J. T.
| 1936
| Idaho - The Gem State: The Mineralogist v. 4, no. 1. p. 15-16, 54. Succor Creek jasper (plasma), Squaw Butted opal. Willow Creek jasper, Mann Creek, Lost River
|
| 499
| Carpenter, J. T.
| 1950
| Idaho - The Gem State: The Mineralogist, v. 18, no. 1, p. 46, 48.
|
| 500
| Carr, R. W., and Fyfe, W. S.
| 1958
| Some observations on the crystallization of amorphous silica: American Mineralogist, v. 43, p. 908-916.
|
| 501
| Carter, L.
| 1958
| Rockhounding on Michigan's northern peninsula: Lapidary Journal, v. 12, no. 1, p. 98, 100.
|
| 502
| Carter, L. C.
| 1976
| Rockhounding around Reno, Nevada: Gems and Minerals, no. 470, p. 46-47. NV, FT
|
| 503
| Carter, O. C. S.
| 1904
| The petrified forests and painted desert of Arizona: Franklin Institute Journal, no. 157, p. 293-311.
|
| 504
| Carver, R. E.
| 1980
| Petrology of Paleocene-Eocene and Miocene opaline sediments, South Eastern Atlantic Coastal Plain: Journal of Sedimentary Petrology, v. 50, no. xx, p. 569-582.
|
| 505
| Case, A. E.
| 1949
| New Redtop Mountain Location: The Mineralogist, v. 17, no. 5, p. 254, 256, 258.
|
| 506
| Cash, C. H.
| 1952
| Hunting for petrified wood in Colorado County, Texas: Earth Science Digest, v. 6, no. 2, p. 28-30.
|
| 507
| Casperson, W. C.
| 1937
| Chalcedony and agate after Prehnite: Rocks and Minerals, v. 12, no. 7, p. 220.
|
| 508
| Casperson, W. C.
| 1952
| Minerals of New Jersey: Private Publication. Paterson, New Jersey. 19 pp.
|
| 509
| Cassedanne, J. P. and J. O.
| 1974
| Les Agates du Morro do Cristal: Bulletin de l'Association Francaise de Gemmologie. v. 36, p. 9-12.
|
| 510
| Cassirer, F. W.
| 1936
| Theory of agate formation: The Mineralogist, v. 4, no. 9, p. 11-12.
|
| 511
| Cassirer, F. W.
| 1937
| Agate found in many varieteis: The Mineralogist, v. 5, no. 6, p. 11, 12, 27. Bohemia, historical, varieties
|
| 512
| Cassirer, F. W.
| 1937
| A mineralogical journey through Bohemia: Rocks and Minerals, v. 12, no. 1, p. 21-23. Mt Kazakov.
|
| 513
| Castro, D., and K. Castro
| 1965
| Agate and opal at Hooton Ranch: Gems and Minerals, no. 335, p. 25. CA, FT
|
| 514
| Castro, K. M., and D. Castro
| 1978
| Idar-Oberstein. Past and Present: Gems and Minerals, no. 484, p. 14-17, 36-43.
|
| 515
| Castro, K. M.
| 1979
| The opals of Queretaro: Gems and Minerals, no. 504, p. 42.
|
| 516
| Cate, R. H.
| 1977
| Agates of the Oregon Coast. A field guide of the what-where-when-how. Private Publication, 16 p.
|
| 517
| Catlin, M. F.
| 1982
| The lava cast forest of Oregon: Lapidary Journal, v. 36, no. 6, p. 1002-1010.
|
| 518
| Chai, B. H. T.
| 1974
| Mass transfer of calcite during hydrothermal crystallization: In Hoffman, A. W., Giletti, B. J., Yoder, H. S., Jr., and Yund, R. A., (Editors), Geochemical transport and kinetics: Carnegie Institute Washington Publication 634, p. 205-218. Peripheral, may delete, rkp.
|
| 519
| Chalmers, R. O.
| 1968
| Australian rocks, minerals, and gemstones: American Elsevier Publishing Company, New York, 398 p.
|
| 520
| Chalmers, R. O.
| 1969
| A new occurrence of precious opal of volcanic origin near Mullumbimby, New South Wales, Australia: Lapidary Journal, v. 23, no. 9, p. 1322.
|
| 521
| Champion, D. G.
| 1965
| Comparison specimens for the identification of petrified wood: Gems and Minerals, no. 331, p. 26-27.
|
| 522
| Chandler, W. C.
| 1935
| Mule Springs, California - An interesting locality for geodes, jaspers, and agates: Rocks and Minerals, v, 10, no. 5, p. 69. 27 mi E of Barstow, N 5 mi, Jasper Hill, agate E Hill, Jasper 45 mi E of Barstow, 6-7 mi W Ludlow
|
| 523
| Chandler, W. C.
| 1943
| Some petrified wood occurrences in California: Rocks and Minerals, v. 18, no. 6, p. 169. Willard Creek, Lassen Co., Oroville, Butte Co., Egyptian jasper.
|
| 524
| Chandler, W. C.
| 1956
| Agate Collecting on Northern California Beaches: Lapidary Journal, v. 10, no. 1, p. 62-66. Patrick's Point area
|
| 525
| Chaney, R. W.
| 1948
| Ancient forests of Oregon: Oregon State System of Higher Education, Condon Lecture, Eugene, Oregon. 56 p.
|
| 526
| Chapman, E. W.
| 1937
| Barstow desert localities described: The Mineralogist, v. 5, no. 1, p. 9-10, 111-114. Barstow Syncline, Rosamond Section in Antelope Valley and Red Rock Canyon, Upper Mio-L.Plio. Coral chalcedony, Afton Canyon, Myrickite, Opal Mt E of Hinkley, CA, Pb Pipe Spr, Black Canyon
|
| 527
| Chappell, I. J.
| 1971
| The Prineville Pow Wow: Rock & Gem, v. 1, no. 2, p. 48-51.
|
| 528
| Chapman, J. R.
| 1939
| Georgia hyalite opal: The Mineralogist, v. 7, no. 4, p. 184. Stone Mt., Georgia
|
| 529
| Chapman, J. R.
| 1941
| Agate collections: The Mineralogist, v. 9, no. 3, p. 90, 91.
|
| 530
| Chapman, W. and Chapman, L.
| 1935
| The petrified forest (Yellowstone National Park): Natural History, v. 35, no. xx, p. 382-392.
|
| 531
| Charles, R. J.
| 1963
| It's Magic Time in Idar-Oberstein: Lapidary Journal, v. 17, no. 2, p. 289.
|
| 532
| Charles, R. J.
| 1972
| The gold and gems of Panama: Lapidary Journal, v. 25, no. 10, p. 1356-1362, 1369-1371. Agate, wood, coral.
|
| 533
| Chatwin, S.
| 1965
| Horn Coral, new Utah gem: Desert Magazine no?. 28, p. 54.
|
| 534
| Chauris, L.
| 1991
| Localisation de la "foret sour marine" decouverte pres Morlaix per le Comte de la Fruglaye en 1811 [Discovery of the "submarine forest" near Morlaix by Count Fruglaye in 18110 Norois, v. 38, no. 152, p. 389-392. (English Summary)
|
| 535
| Chen, C. T. A. and Marshall, W. L.
| 1982
| Amorphous silica solubilities IV. Behavior in pure water and aqueous sodium chloride, sodium, sulfate, magnesium chloride, and magnesium sulfate solutions up to 350o C: Geochimica et Cosmo-chimica Acta, v. 46, no. xx, p. 279-287.
|
| 536
| Chenard, G., and Chenard, D.
| 1962
| Kern County Agate: Lapidary Journal, v. 16, no. 1, p. 106-107.
|
| 537
| Cheney, H. J.
| 1963
| Visit to Deming, N. M: Rocks and Minerals, v. 38, no. 9,10, p. 531.
|
| 538
| Cheney, H. J.
| 1969
| Deming's "Big Agate Diggings: Rocks and Minerals, v. 44, no. 9,10, p. 674-675.
|
| 539
| Chen Zhiquain and Den Yanhua
| 1992
| The mineral composition of bloodstone: Journal of Guilin College of Geology, v. 12, no. 4, p. 356-366. (Chinese, with English summary).
|
| 540
| Childs, E.
| 1950
| Washington Locality: The Mineralogist, v. 18, no. 3, p. 142, 144. Arlington, WA, area.
|
| 541
| Childs, E. T.
| 1950
| Agate---what is it? Rocks and Minerals, v. 25, no. 7,8, p. 344. General lapidary properties.
|
| 542
| Chilingar, G. V.
| 1956
| Distribution and abundance of chert and flint as related to the Ca/Mg ratio of limestones: Geological Society of America Bulletin, v. 67, p. 1559 - 1562.
|
| 543
| Chirvinskym P. N.
| 1919
| Notice Relative 'a la Mineralogie de la Russie. Isvyestiya /Bulletin/ Polytechnical Institute Novocherkassk, v. 7, no. 2, p. 1-61.
|
| 544
| Chowns, T. M. and Elkins, J. E.
| 1974
| The origin of quartz geodes and cauliflower cherts through the silicification of anhydrite nodules: Journal of Sedimentary Petrology, v. 44, no. 3, p. 885-903.
|
| 545
| Christensen, C.
| 1972
| Opal fever: Earth Science, v. 25, no. 2, p. 89-94.
|
| 546
| Christensen, C.
| 1973
| Return to the opal fields: Rocks and Minerals, v. 48, no. 5, p. 347-351.
|
| 547
| Christmanos, A.
| 1950
| Electric Potential of Solutions as a Cause of the Formation of Leisegang Rings: Nature, no. 165, p. 238-239.
|
| 548
| Christopherson, F. E.
| 1952
| Information on Montana Agate: Lapidary Journal, v. 6, no. 4, p. 256, 258, 260.
|
| 549
| Chrustchoff, B.
| 1873
| On silicic acid and the silicification of woods: American Chemist, v. 3, no. 8, p. 281-286.
|
| 550
| Church, B. N.
| 1995
| Several new industrial mineral and ornamental stone occurrences in the Okanagan - Boundary District (82E, 82L). In Exploration in British Columbia 1995, part A, Overview of exploration activity and part B, Geological Descriptions of properties. (Smyth, W. R., prefacer) Exploration in British Columbia, 1995, p. 123-130.
|
| 551
| Church, C. C.
| 1959
| Cloverdale, Washington Locality: The Mineralogist, v. 27, no. 6,7,8, p. 107-108.
|
| 552
| Ciurca, S. J.
| 1962
| Petrified Wood Society, (letter): Rocks and Minerals, v. 37, no. 9,10, p. 539.
|
| 553
| Ciurca, S. J.
| 1963
| Agate and Opal in New York State: Gems and Minerals, no. 309, p. 34-36.
|
| 554
| Ciurca, S. J.
| 1963
| Radioactive petrified wood: Rocks and Minerals, v. 38, no. 3,4, p. 158. UT
|
| 555
| Ciurca, S. J. and J. A. Lenhard
| 1962
| Two rockhounds, a camper, & a month: Rocks and Minerals, v. 37, no. 1,2, p. 5-9
|
| 556
| Claremont, L.
| 1918
| Some phases of silica: The watchmaker, jeweler, silversmith, and optician. January.
|
| 557
| Clark, E. C.
| 1951
| Iris Agate...and Its Treatment: Lapidary Journal, v. 5, no. 4, p. 264-267.
|
| 558
| Clark, R.
| 1998a
| South Dakota=s Fairburn Agate: Photography by Mary Jane Clark. Silverwind Agates, Palmer Publications, Inc., Amherst, WI, 80 p.
|
| 559
| Clark, R.
| 1998b
| Fairburn Collector and Trader: Silverwind Agates, Appleton, WI. Privately published newsletter.
|
| 560
| Clark, R.
| 1999
| Fairburn Agates; treasures of Black Hills hunting: Rock and Gem, v. 29, no. 3, p. 80-82.
|
| 561
| Clayton, N.
| 1980
| Abiquiu Agate: Gems and Minerals, no. 515, p. 42-45.
|
| 562
| Clayton, P. A. and Spencer, L. J.
| 1934
| Silica-glass from the Libyan Desert: Mineralogical Magazine, v. 23, p. 501-508.
|
| 563
| Claytor, W. A.
| 1984a
| The long green land or Rocking Around New Zealand: Part One, Lapidary Journal, v. 38, no. 8, p. 1054-1062. FT
|
| 564
| Claytor, W. A.
| 1984b
| The long green land or Rocking Around New Zealand: Part Two, Lapidary Journal, v. 38, no. 9, p. 1178-1185. FT
|
| 565
| Clemson, D.
| 1965
| Some British Columbia Agate: Lapidary Journal, v. 19, no. 4, p. 508. Robbins Creek Basalt.
|
| 566
| Clemson, D.
| 1970
| Event at Monte Lake: Lapidary Journal, v. 24, no. 6, p. 836-838. "Agate Bluff" British Columbia, Canada
|
| 567
| Cleveland, L. J.
| 1977
| Rocks in their heads and proud of it: Lapidary Journal, v. 31, no. 6, p. 1446-1448. general
|
| 568
| Cleveland, P.
| 1822
| An elementary treatise on mineralogy and geology: Boston, Massachusetts. p. 267, 270, 302.
|
| 569
| Clinesmith, C. N.
| 1936
| Blue agate in Washington: Rocks and Minerals, v. 11, no. 9, p. 136
|
| 570
| Coate, E. J.
| 1936
| Boulder opal: The Mineralogist, v. 4, no. 4, p. 24. Queensland, Aust.
|
| 571
| Cockburn, A. M.
| 1869
| Brief Notes on the Precious Stones and Pearls of Scotland: Transactions of the Edinburgh Geological Society, v. 1, part 2, p. 196-198.
|
| 572
| Cockrell, R.
| 1986
| Bones of agate; an administrative history of Agate Fossil Beds National Monument: Midwest Regional Ofice, Office of Planning Resource Preservation, Division of Cultural Resources Management, National Park Service, U. S. Department of the Interior, 311 p.
|
| 573
| Coetzee, C. B.
| 1976
| (Editor) Mineral Resources of the Republic of South Africa: Fifth Edition, Handbook 7, Department of Mines, Geological Survey, Republic of South Africa, 462 p.
|
| 574
| Coffing, W. P., Mrs.
| 1956
| North Dakota localities: The Mineralogist, v. 24, no. 3, p. 103.
|
| 575
| Coffman, R.
| 1979
| Nature's Saddle Mountain Fire Sale: Lapidary Journal, v. 32, no. 11, p. 2504-2507. Washington.
|
| 576
| Cohen, A. J., and Sumner, G. G.
| 1958
| Relationship among impurity contents, colour centers and lattice constants in quartz: American Mineralogist, v. 43, p. 58-68.
|
| 577
| Cohen, E.
| 1875
| Title not known: Neues Jahrbuch fur Mineralogie, cited in Walker and Parsons, 1922 and describes ASpike Amygdules@ in Basutuland, Africa, which are called Pipe Aamygdales@ by Walker and Parsons.
|
| 578
| Colbourn, K.
| 1956
| Louisians full of petrified wood: Rocks and Minerals, v. 31, no. 5,6, p. 238-239. Reprinted from Shreveport, Louisiana Times, March 4, 1956.
|
| 579
| Colburn, L.
| 1945
| Priday's Ranch, Oregon: Rocks and Minerals, v. 20, no. 11, p. 531. Plume, S. side Pony Butte, Polkadot, N. side Pony Butte. OR, FT
|
| 580
| Colburn, R.
| 1998
| The Formation of Thundereggs: Basin Range Volcanics Geolapidary Museum, Deming, New Mexico, 15 p. Electronic publication at: http://www.zianet.com/geodekid/thndregg.htm
|
| 581
| Cole, B.
| 1956
| Opal, in The Gem Collector: Rocks and Minerals, v. 31, no. 5,6, p. 266-267.
|
| 582
| Cole, B.
| 1957
| The Quartz Gems (Part 2 - the Crypto-crystalline Forms): Rocks and Minerals. Whole 260. v. 32, no. 9, 10, p. 473-474. survey
|
| 583
| Cole, F.
| 1973
| Virgin Valley?: Lapidary Journal, v. 27, no. 9, p. 1467-1468. Virgin Valley Wood, Opalite
|
| 584
| Cole, L. J.
| 1970
| Texas Sized Agate: Lapidary Journal, v. 24, no. 2, p. 396-397. Balmorhea Agate
|
| 585
| Coleman, T.
| 1959
| Gem and mineral collecting in the Transvaal: Rocks and Minerals, v. 34, no. 2, 3, p. 114-115. Vaal River, moss agate, picture jasper, blue chalcedony.
|
| 586
| Colhour, O. M.
| 1956
| Heap Big Fire; No Smoke: Lapidary Journal. v.10, no. 2, p. 136, 138, 140, 142.
|
| 587
| Colhour, O. M.
| 1957
| The Agate Egg and I: Lapidary Journal, v. 10, no. 6, p. 504, 506, 508.
|
| 588
| Colhour, O. M.
| 1961
| How I Carve Rare Fire Agates; Carving the Safford Arizona Fire Agate: Lapidary Journal, v. 15, no. 1, p. 33-36.
|
| 589
| Collini, C.
| 1776
| Tagebuch einer Reise, welches verscheidene mineralogische Beobachunger, beson-ders uber die Achate und den Basalt ehnalt, 578 pp. (Not seen).
|
| 590
| Collins, C.
| 1959a
| Hunting Agates in Oregon: Lapidary Journal, v. 13, no. 3, p. 465-466.
|
| 591
| Collins, C.
| 1959b
| National gem fair - field tour: The Mineralogist, v. 27, no 6, 7, 8, p. 99-100. Clear Creek Green Mountains, WA
|
| 592
| Collins, C.
| 1959c
| Clear Creek, Oregon: The Mineralogist, v. 27, 6,7,8, p. 114. Oregon.
|
| 593
| Collins, R.
| 1965
| Horse Canyon revisited: Lapidary Journal, v. 19, no. 1, p. 192-195. California, Horse Canyon Agate,
|
| 594
| Collins, R., and Collins, D.
| 1965
| Grinding and polishing large petrified wood specimens: Gems and Minerals, no. 332, p. 24-27.
|
| 595
| Condra, G. E., E. C. Reed, and O. J. Scherer
| 1940
| Correlation of the formations of the Laramie Range, Hartville Uplift, Black Hills, and Western Nebraska: Nebraska Geological Survey, Conservation and Survey Division, University of Nebraska. Bulletin 13. 52 p.
|
| 596
| Condra, G. E.
| 1950
| Correlation of the formations of the Laramie Range, Hartville Uplift, Black Hills, and Western Nebraska; (Revised by G. E. Condra and E. C. Reed): Nebraska Geological Survey, Conservation and Survey Division, University of Nebraska, Bulletiun 13. 52 p.
|
| 597
| Conkey, S. Y.
| 1977
| A Method of Grading Fire Agate: Lapidary Journal, v. 31, no. 8, p. 1860-1862.
|
| 598
| Connolly, J. P., and Oharra, C. C.
| 1929
| The mineral wealth of the Black Hills: South Dakota School of Mines, Bulletin 16, 418 p. Lame Johnny Creek, near Fairburn.
|
| 599
| Conrad, T. A.
| 1846
| Observations on the Geology of a part of East Florida, with a catalogue of the Recent shells of the coast: American Journal of Science, 2nd Series, v. 2, p. 36-48.
|
| 600
| Cook, C.
| 1969
| Gifts from the glaciers: Lapidary Journal, v. 23, no. 9, p. 1214-1215, 1226-1233.
|
| 601
| Cook, K. H., and Cook, W. A.
| 1967a
| The origin of geodes, Part I: Gems and Minerals, no. 357, p. 14-17.
|
| 602
| Cook, K. H.
| 1967b
| The origin of geodes, Part II: Gems and Minerals, no. 358, p. 18-20.
|
| 603
| Cook, M. D.
| 1971
| Exploring the Roadcut, Route 66, Connecticut: Rocks and Minerals, v. 46, p. 189.
|
| 604
| Cook, R., Mrs.
| 1961
| Nebraska, in World news on mineral occurrences, (letter): Rocks and Minerals, v. 36, no. 9,10, p. 481. chalcedony pseudo after gypsum.
|
| 605
| Cooke, C.
| 1976
| A favorite gem material: Lapidary Journal, v. 30, no. 9, p. 2170-2179. Pet wood, general.
|
| 606
| Cooke, C.
| 1982
| Collecting gemstones in Wyoming: Lapidary Journal, v. 36, no. 1, p. 228-234.
|
| 607
| Cooke, C. E.
| 1980
| The rainbow of quartz: Lapidary Journal, v. 33, no. 11, p. 2428-2433. General
|
| 608
| Cooke, G. W., and Mossom, S.
| 1929
| Geology of Florida: Florida State Geological Survey. 20th Annual Report, 227 p.
|
| 609
| Cooper, C. W.
| 1924
| The precious stones of the Bible: London. xx p. (not seen, pagination not known)
|
| 610
| Cooper, E. M.
| 1978
| Opal mine tour: Lapidary Journal, v. 32, no. 4, p. 994-997. Queretaro
|
| 611
| Cooper, I.
| 1976
| Letter from a Loner: Gem Craft. August, p. 513-514.
|
| 612
| Copeland, L. L.
| 1972/1973
| The Derivation of Gem Names: Gems and Gemmology, v. 14, no. 4, p.118-125.
|
| 613
| Copeland, P. G.
| 1970
| Pebble collecting on the Yorkshire Coast: Gems and Minerals, no. 390, p. 24-28, 42, 43.
|
| 614
| Copisarow, A. C., and Copisarow, M.
| 1942
| Silica and the Liesegang Phenomenon: Nature, no. 149, p. 413.
|
| 615
| Copland, J.
| 1819
| Account of the Carnelian Mines in the neighbourhood of Broach: Transactions of the Literary Society of Bombay, v. 1, p. 289. India, carnelian at Rajpipla State.
|
| 616
| Copley, A. J.
| 1972
| A photographic study of Brazilian Agate: Rocks and Minerals, v. 47, no. 7, 8, p. 498-499. Acetate peels and prints from them.
|
| 617
| Coquand, G.
| 1848
| Description des terrains primaries et ignes du departement du Var: Memois Societe Geologique France (2), v. 3.
|
| 618
| Correns, C. W.
| 1941
| Uber die Loslichkeit von Kieselsaure in schwach sauren und alkalischen Losungen: Chemie der Erde, v. 13, p. 92-96.
|
| 619
| Correns, C. W.
| 1949
| Einfuhrung in die Mineralogie: Springer Verlag, Berlin, Gottingen, Heidelberg. (not seen) Berlin, english Edition, 1969?
|
| 620
| Correns, C. W.
| 1950
| Zur Geochemie der Diagenese: Geochimica et Cosmochimica Acta, v. 1, no. xx, p. 49-54.
|
| 621
| Correns, C. W.
| 1961
| The experimental weathering of silicates: Clay Mineral Bulletin, v. 4, p. 249-265.
|
| 622
| Correns, C. W.
| 1967
| Diagenese und Fossilisation: In Brinkman, R. (Editor) Lehrbuch der allgemeine Geologie, Band III, Stuttgart, S., p. 171-213.
|
| 623
| Correns, C. W., and Nagelschmidt, G.
| 1933
| Uber Faserbau und optische Eigenschaften von Chalzedon. Zeitschrift Kristallographie, v. 85, no. xx, p. 199-213.
|
| 624
| Corwin, J. F.
| 1958
| Hydrothermal reactions under supercritical conditions V. Journal of Physical Chemistry, v. 62, no. xx, p. 1086-1088.
|
| 625
| Corwin, J. F., Yalman, R. G., Edwards, J. W., Owen, G. R. and Shaw, B. R.
| 1957
| Hydrothermal reactions under supercritical conditions, I, II, IV: Journal of Physical Chemistry, v. 62, p. 939, 941, 1437.
|
| 626
| Courter, W. E.
| 1977
| Michigans favorite gemstone: Lapidary Journal, v. 31, no. 1, p. 150-158.
|
| 627
| Cousen, T. W.
| 1953
| Opal trails in Old Mexico: The Mineralogist, v. 21, no. 3, 99-103.
|
| 628
| Cousen, T. W.
| 1956
| Mexican Fire Opal: Gems and Minerals, v. 24, no. 3?, p. 16, 17, 68-71.
|
| 629
| Cox, C. M.
| 1994
| Evidence for silica replacement of evaporites in the Pennsylvanian Ismay interval in the Paradox Basin. [abstract]: In Abstracts with Programs, Geological Society of America, Rocky Mountain Section, 46th Annual Meeting, Durango Coloraod, May 4-6, 1994, v. 26, no. 6, p. 9.
|
| 630
| Cox, K. G., Bell, J. D., and Pankhurst, R. J.
| 1979
| The interpretation of igneous rocks: G. Allen and Unwin, London, Boston, 450 p.
|
| 631
| Cramer, E.
| 1892
| Uber die Fluchtigkeit der Kieselsaure: Zeitschritf angew. Chem. Jg, 1892, v. xx, no. yy, p. 484-486.
|
| 632
| Crawford, B. J.
| 1967
| Famous Flint Ridge Flint: Earth Science, v. 20, no. 3, p. 118-119. Ohio
|
| 633
| Crawford, B. J.
| 1973
| Flintridge, Ohio: Lapidary Journal, v. 27, no. 3, p. 528-532. historical, lapidary
|
| 634
| Crippen, R.
| 1998
| Deep in Nevada; there are still some little known but productive gem and mineral sites: Rock and Gem, v. 28, no. 5, p. 80-83.
|
| 635
| Crippen, R. A.
| 1948
| Unusual Concretions from Templeton, San Luis Obispo County, California:.California Divisions of Mines and Geology Bulletin, v. 44, no. 3, p. 249-252. Biconoids, Paso Roble Thunder Eggs. Reprinted in Hobbies magazine, v. 53, January, 1943, no.11, p. 151, 152.
|
| 636
| Cronstedt, A. F.
| 1770
| An Essay toward a system of Mineralogy by Axel Fred Cronstedt: translated from the Original Swedish with notes by Gustav von Engestrom...the whole revised and corrected, with some additional notes by Emanuel Mendes da Costa. London.
|
| 637
| Crooks, E. R.
| 1977
| A visit to the lost Deer Hunt Opal Mine: Lapidary Journal, v. 31, no. 8, p. 1828.
|
| 638
| Cross, B.
| 1996
| The Agates of Northern Mexico: Burgess International Group, Inc., Burgess Publishing, Edina, Minnesota, 201 p.
|
| 639
| Cross, L.
| 1977
| Coober Pedy today: Gems and Minerals, no. 459, p. 8, 9, 43, 45.
|
| 640
| Cross, W. C.
| 1891
| Constitution and origin of spherulites in eruptive rocks: Bulletin, Philosophical Society of Washington, v. XX, p. 411-444. (Not seen).
|
| 641
| Crow, M.
| 1995
| The Rockhound'S Guide to New Mexico: Falcon Press Publishing Company, Helena, Montana, 156 p.
|
| 642
| Crowe, M. W.
| 1973
| Australian gemstone production: Lapidary Journal, v. 27, no. 8, p. 1200-1204.
|
| 643
| Crowns, B. C.
| 1974
| America's Stone Age "Lapidaries": Lapidary Journal, v. 28, no. 5, p. 840-848. Archeological
|
| 644
| Cuddy, B.
| 1974
| "The Agate Desert": Lapidary Journal, v. 28, no. 2, p. 428-433. Agate Post Office, Oregon, Check usgs data base, rkp
|
| 645
| Cunningham, J. L.
| 1954a
| Lake Superior Agates, Part I: Gems and Minerals, no. 200, p. 14, 16.
|
| 646
| Cunningham, J. L.
| 1954b
| Lake Superior Agates, Part II: Gems and Minerals, no. 201, p. 154-59.
|
| 647
| Cunningham, J. L.
| 1959
| Redtop Mountain Blue Agate: Gems and Mineals, no. 263, p. 14-17.
|
| 648
| Cunningham, J. L.
| 1961a
| Lake Superior Agate, Part I: Lapidary Journal, v. 15, no. 2, p. 330-337.
|
| 649
| Cunningham, J. L.
| 1961b
| Lake Superior Agate, Part II: Lapidary Journal, v. 15, no. 3, p. 220-235.
|
| 650
| Currier, R. H.
| 1997
| Amethyst, agate and calcite "skunks" from Uruguay: Rocks and Minerals, v. 72, no. 2, p. 94-105.
|
| 651
| Curry, D.
| 1976
| Enhydros X-rayed: Lapidary Journal, v. 30, no. 8, p. 1921. X-ray pictures.
|
| 652
| Curtis, D., and Dare, D.
| 1993
| State Stones and Other State Symbols: Southern Illinois Earth Science Club, Inc., Murphysboro, IL, 101 p.
|
| 653
| Cuthbert, D. L.
| 1969
| Precious Opal, Queen of Gems in Idaho: Lapidary Journal, v. 23, no. 7, p. 928-930. Spencer opal
|
| 654
| Cutler, V. P.
| 1940
| Huge "Thunder Eggs" found: The Mineralogist, v. 8, no. 6, p. 259-260. SW Blythe, Little Mule Mt.
|
| 655
| Cutler, V. P.
| 1945
| Study moss agate: The Mineralogist, v. 13, no. 2, p. 77-78.
|
| 656
| Czaja, M.
| 1985 [1986]
| Determination of the crystalinity of chalcedonies: Mineralogia Polonica, v. 16, no. 1, p. 15-26.
|
| 657
| Czaja, M.
| 1992
| Wynikie badan strukturalnych kwarcow I chalcednov z bazaltiodow w lubiechowej (Gory Kacazwskie): [Structure of quartz and chalcedony from Lubiechowa basalts, Kaczyawa Mountains]: Prace Mineralogczne, no. 82, p. 570? (English Summary) aczyawa Mountains]: Prace Mineralogczne, no. 82, p. 570? (English Summary)
|