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Petrified Wood

A variety of Chalcedony

Fossil wood replaced by chalcedony (cryptocrystalline quartz), sometimes also by opal, coal, pyrite, calcite.

Classification of Petrified Wood

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Other Names for Petrified Wood

Synonyms:
Agatised woodAgatized Wood
Other Languages:
German:Versteinertes Holz

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Petrified Wood

Reference List:Versteinertes Holz, extra Lapis No 7, Christian Weise Verlag, München 1994 (in German).

DERNBACH U. (1996): Versteinerte Wälder, D’Oro Verlag, 188 pp. (in German)

DANIELS F. (1998): Petrified Wood, The World of Fossilized Wood, Cones, Ferns, and Cycads, Western Colorado Publishing Company, Grand Junction, xx pp.

GREGOR, VELITZELOS & HOLLEIS (2005): Fossile Wälder, Fossile Hölzer, Pseudowälder. DOCUMENTA NATURAE Band 154, München, xx pp. (in German).

DANIELS F. & DAYVAULT R. (2006): Ancient Forests, a closer look at petrified wood. Western Colorado Publishing Company, Grand Junction, xx pp.

Internet Links for Petrified Wood

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    Localities for Petrified Wood

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Antarctica
     
    • Eastern Antarctica
      • Mac Robertson Land
        • Prince Charles Mts
    http://www-aadc.aad.gov.au/ten_facts/stations_territories/pcm/workshop1991_text.asp
    Australia
     
    • New South Wales
      • Gowen Co.
        • Warrumbungle Mountains
      • Pottinger Co.
    • Queensland
    Natural History Museum Vienna collection
    • Victoria
      • Ararat
      • Gippsland
      • Hamilton
        • Wannon River
    Austria
     
    • Carinthia
      • Gailtaler Alpen & Karnische Alpen Mts
        • Kötschach-Mauthen
          • Laas
    G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Lower Austria
    R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
      • Mödling
    R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Bolivia
     
    • La Paz Department
      • Pacajes Province
    J. T. Singewald Jr. & Edward Berry (1922)
    China
     
    • Sichuan Province
      • Guang'an Prefecture
        • Huaying Co.
          • Lushi
    www.cigem.gov.cn/En_readnews.asp?NewsID=11024
    France
     
    • Auvergne
      • Cantal
        • Mauriac
          • Champagnac
        • Saint-Flour
          • Loubaresse
    http://www.brgm.fr/volcan/ressourcesmin.htm
    Germany
     
    • Bavaria
      • Upper Palatinate
        • Grafenwöhr
          • Freihung
            • Tanzfleck
    S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • North Rhine-Westphalia
      • Sauerland
        • Sundern
    D. Pawlowski: "Mineralfundstellen im Sauerland", Weise (Munich), 1991
    • Rhineland-Palatinate
      • Alzey
        • Wendelsheim
    S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Kirchheimbolanden
        • Imsbach
    Hartmut Hensel
    • Saarland
      • Merzig
        • Hargarten
    Thomas Kleser
    • Saxony
      • Chemnitz
    H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977
    • Schleswig-Holstein
      • Kiel
        • Preetz
    A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
    Greece
     
    • Aegean Islands (Aiyaíon) Department
      • Lésvos (Lesbos; Mytilene; Mytilini) Prefecture
        • Lesbos Island (Nisos Lésvos; Mytilene; Mytilini)
    Huber, P.C. (2007): Griechischer Stein ... Der zu Stein gewordene Wald der Insel Lesbos. Mineralien-Welt, 18 (2), 67-72. (in German)
    Huber, P.C. (2007): Griechischer Stein ... Der zu Stein gewordene Wald der Insel Lesbos. Mineralien-Welt, 18 (2), 67-72. (in German)
    Huber, P.C. (2007): Griechischer Stein ... Der zu Stein gewordene Wald der Insel Lesbos. Mineralien-Welt, 18 (2), 67-72. (in German)
    Huber, P.C. (2007): Griechischer Stein ... Der zu Stein gewordene Wald der Insel Lesbos. Mineralien-Welt, 18 (2), 67-72. (in German)
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Zempléni Mts.
        • Rátka
    Szakáll:100 Hungarian Mineral Localities,2004
    Indonesia
     
    • Jawa Island (Java Island)
      • Banten Province
    Extra Lapis - English No. 10 Opal
    Japan
     
    • Honshu Island
      • Kanto Region
        • Ibaraki Prefecture
          • Ohmiya
    (Special exhibition organized by Masutomi Museum at Osaka show, April-May 2006)
    Libya
     
    • Murzug
    Anthony Ham (2002) Libya (Lonely Planet Country Guide)
    New Zealand
     
    • North Island
      • Waikato
        • Thames-Coromandel
    C. Johnson collection
    Russia
     
    • Northern Region
      • Komi Republic
        • Tsil'ma river basin
    Shumilov, I.K. (2008): Geology of Ore Deposits 50(8), 763-771.
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Chelyabinsk coal basin
            • Kopeisk
    Thailand
     
    • Nakhon Ratchasima Province (Khorat Province)
      • Nakhon Ratchasima District
    C. Lemanski, Jr. (visited, collected & photographed).
    USA
     
    • Alabama
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Mineralogy of Alabama Geol Surv Ala. Bull 120
    Gems and Minerals of America- Jay Ellis Ransom-1974
      • Elmore Co.
    Mineralogy of Alabama Geol Surv Ala. Bull 120
    [www.johnbetts-fineminerals.com]
    Mineralogy of Alabama Geol Surv Ala. Bull 120
      • Greene Co.
    Mineralogy of Alabama Geol Surv Ala. Bull 120
      • Lamar Co.
    Mineralogy of Alabama Geol Surv Ala. Bull 120
      • Macon Co.
    Rocks & Min 70:5 pp 320-333
      • Marion Co.
    [www.johnbetts-fineminerals.com]
    Rocks & Min 70:5 pp 320-333
      • Perry Co.
    Mineralogy of Alabama Geol Surv Ala. Bull 120
      • Sumter Co.
    Mineralogy of Alabama Geol Surv Ala. Bull 120
      • Tuscaloosa Co.
    Mineralogy of Alabama Geol Surv Ala. Bull 120
    Mineralogy of Alabama Geol Surv Ala. Bull 120
      • Wilcox Co.
    Mineralogy of Alabama Geol Surv Ala. Bull 120
    • Alaska
      • North Slope Borough
    USGS of57-0076
    • Arizona
      • Apache Co.
    Daugherty, L.H. (1941), The Upper Triassic flora of AZ, Carnegie Institute Washington publication 526; Witkind, Irving J. & Thaden (1963), Geology and U-V deposits of the Monument Valley area, Apache & Navajo Cos., AZ, USGS Bull. 1103: 30.
        • Carrizo Mts (Carrizo Range)
          • Chinle District
            • Chinle
    Daugherty, L.H. (1941), The upper Triassic flora of AZ; Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 30.
    AZ Dept. Min. Resources card file; AZ Dept. Min. Resources Geology file-coal-Hinkson.
        • Navajo Indian Reservation
          • Monument Valley
            • Monument No. 2 channel
    Frondel, C. (1958), Systematic mineralogy of uranium and thorium, USGS Bull. 1064: 123.
        • Nazlini
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 350; Gregory, H.E. (1917), Geology of the Navajo Country-A reconnaissance of parts of AZ, NM & UT, USGS PP 93; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 86.
        • Petrified Forest National Monument
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 350; ; Peirce, K.W. AZ Bur. Mines Bull. 180: 361.
    Daugherty, L.H. (1941), The Upper Triassic flora of Arizona, Carnagie Institute Publication 526; Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 30.
    Peirce, H.W. (1969), Gem Materials, in USGS ABM, and USBR, Mineral and Water Resources of Arizona, AZ Bur. Mines Bull. 180 & USS Bull. 871: 359.
      • Cochise Co.
        • Whetstone Mts
          • Whetstone District
    Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 360.
      • Coconino Co.
        • Cameron District
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 289.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 350; Guild, F.N. (1910), The Mineralogy of AZ, The Chemical Publishing Co., Easton, PA.
    AZ Dept. Min. Resources Maggie-Riley Baker file.
        • Navajo Indian Reservation
          • Cameron District
            • Tuba City
    Granger, H.C. & R.B. Raup (1962), Reconnaissance study of uranium deposits in AZ, USGS Bull. 1147-A: A7.
        • San Franciscan volcanic field (San Francisco Peaks; San Francisco Mts)
    Robinson, Henry H. (1913), The San Franciscan Volcanic field, AZ, USGS PP 76: 26-27.
        • White Mesa District
    Peirce, H.W. (1969), Mineral and water resources of Arizona, AZ Bur. Mines Bull. 180; USGS Bull. 871: 359.
      • La Paz Co.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 350; Guild, F.N. (1910), The Mineralogy of AZ, The Chemical Publishing Co., Easton, PA.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 350; Guild, F.N. (1910), The Mineralogy of AZ, The Chemical Publishing Co., Easton, PA; Wilson, E.D. & Butler, G.M. (1930), Mn Ore Deps. of AZ, AZ Bur. of Mines Bull. 127.
      • Navajo Co.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 240.
        • Holbrook District
    P Cristofono collection
        • Navajo Indian Reservation
          • Monument Valley
    Witkind, Irving J. & Thaden (1963), Geology and U-V deposits of the Monument Valley area Apache & Navajo Cos., AZ: 72 (Table 1) & 74 (Table 1).
    Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 72 & 74 (Table 1).
    Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 73 & 74 (Table 1).
    Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 73 & 74 (Table 1).
    Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 73 & 75 (Table 1).
    Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 72 & 74 (Table 1).
    Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 73 & 75 (Table 1).
    Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 73 & 75 (Table 1).
    Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 73 & 75 (Table 1).
    Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area Apache and Navajo Cos., AZ, USGS Bull. 1103: 72 & 74 (Table 1).
            • Hoskinnini Mesa
              • Crescent channel (Channel No. 28; paleochannel No. 28)
    Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Cos., AZ: 72 & 74 (Table 1).
    Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Cos., AZ: 72 & 74 (Table 1).
            • Hunts Mesa (Hunt's Mesa)
    Witkind, I.J. & R.E. Thaden (1963), Geology of uranium-vanadium deposits of the Monument Valley area Apache & Navajo Cos., AZ, USGS Bull. 1103: 73 (Table 1), 138-139.
    Witkind, I.J. & R.E. Thaden (1963), Geology of uranium-vanadium deposits of the Monument Valley area Apache & Navajo Cos., AZ, USGS Bull. 1103: 73 (Table 1), 138-139.
    Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 73&75 (Table 1).
    Witkind, Irving J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Cos., AZ, USGS Bull. 1103: 73-75 (Table 1).
    Witkind, Irving J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Cos., AZ, USGS Bull. 1103: 73-75 (Table 1).
    Witkind, Irving J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache & Navajo Cos., AZ, USGS Bull. 1103: 73-75 (Table 1).
            • Mitchell Mesa (Mitchell Mesa prospects)
    Witkind, Irving J. & Thaden (1963), Geology and U-V deposits of the Monument Valley area Apache & Navajo Cos., AZ: 73 & 75 (Tabl1 1).
    Witkind, Irving J. & Thaden (1963), Geology and U-V deposits of the Monument Valley area Apache & Navajo Cos., AZ: 73 & 75 (Table 1).
    Witkind, Irving J. & Thaden (1963), Geology and U-V deposits of the Monument Valley area Apache & Navajo Cos., AZ, USGS Bull. 1103: 73 & 75 (Table 1).
            • Mystery Valley
              • Monument No. 1 channel
    Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ: 73 & 75 (Table 1).
    Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 72 & 74 (Table 1).
            • Skeleton Mesa
    Witkind, I.J. & Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ, USGS Bull. 1103: 72 (Table 1) & 74.
        • Petrified Forest National Monument area
    Granger, H.C. & R.B. Raup (1962), A reconnaissance study of uranium deposits in Arizona, USGS Bull. 1147-A: A24-A25.
    Granger, H.C. & R.B. Raup (1962), A reconnaissance study of uranium deposits in Arizona, USGS Bull. 1147-A: A25.
    Niemuth, N.J. (1987), Arizona Mineral Development 1984-1986, AZ Dept. Mines & Min. Resources Directory 29.
    Mitchell, 2001: Gem Trails of Arizona, p.102
    P Haas collection
    Mitchell, 2001: Gem Trails of Arizona, p.104.
    P Cristofono collection
      • Pima Co.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 350.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 350.
      • Santa Cruz Co.
        • Santa Rita Mts
          • Sonoita
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 350.
      • Yavapai Co.
        • Verde Valley
    Twenter, F.R. & Metzger (1963), Geology & ground water in the Verde Valley - the Mogollon Rim region of AZ, USGS Bull. 1177: 38.
      • Yuma Co.
        • Dome area
    Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 33.
    • Arkansas
      • Cross Co.
        • Wynne
      • St. Francis Co.
        • Forrest City
    • California
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
      • Glenn Co.
    Butler, 1995. Rockhounding California
      • Imperial Co.
      • Kern Co.
        • El Paso Mts
          • Ricardo
        • Kramer District
    Gems& Min. 343:26 (1966)
        • Mojave
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
    Butler, 1995. Rockhounding California, p.158.
    Butler, 1995. Rockhounding California, p.155.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
      • San Bernardino Co.
        • Cady Mts
          • Afton
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
      • Siskiyou Co.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
        • Calistoga area
    Kunz, George Frederick (1905a), Gems, jewelers’ materials, and ornamental stones of California: California Division Mines Bulletin 37, 171 pp.: 78; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
    • Colorado
      • Arapahoe Co.
    Minerals of Colorado (1997) E.B. Eckels
      • Douglas Co.
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
      • Elbert Co.
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
      • Fremont Co.
        • Tallahassee Creek District
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
      • Grand Co.
    Minerals of Colorado (1997) E.B. Eckels
      • Gunnison Co.
    Minerals of Colorado (1997) E.B. Eckels
      • Jefferson Co.
        • Golden District
          • Golden
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
      • Las Animas Co.
        • La Junta
    Minerals of Colorado (1997) E.B. Eckels
      • Mesa Co.
        • Fruita
    Minerals of Colorado (1997) E.B. Eckels
      • Montrose Co.
    Minerals of Colorado (1997) E.B. Eckels
      • Park Co.
        • South Park
          • Antero Junction
    Minerals of Colorado (1997) E.B. Eckels
      • Prowers Co.
    Minerals of Colorado (1997) E.B. Eckels
      • Rio Blanco Co.
        • Coal Creek District
    USGS Bull 315
      • Teller Co.
        • Florissant Area
    Minerals of Colorado (1997) E.B. Eckels
      • Weld Co.
    Pearl, 1958. Colorado Gem Trails & Mineral Guide
    • Connecticut
      • New Haven Co.
        • Southbury
          • Translyvania
    Bill Barrett Coll.
    • Florida
    Zeitner, 1968. Appalachian Mineral & Gem Trails
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    • Georgia
      • Ben Hill Co.
    Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
      • Chattahoochee Co.
        • Columbus
    Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
      • Columbia Co.
    Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
      • Muscogee Co.
        • Columbus
    Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    • Idaho
      • Custer Co.
    Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
    Dake, 1956. NW Gem Trails, 2nd ed.
    • Illinois
      • La Salle Co.
    Illinois State Geological Survey
    • Indiana
    Gems and Minerals of America- Jay Ellis Ransom-1974
    • Iowa
      • Dubuque Co.
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
      • Hamilton Co.
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
      • Jackson Co.
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
      • Muscatine Co.
        • Muscatine
    R&M 77:6 pp 404-413
    R&M 77:6 pp 404-413
    Jay ellis Ransom,1974, Gems and Minerals of America
    • Kansas
      • Barber Co.
    Ransom, 1974. Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Ransom, 1974. Gems and Minerals of America
      • Jefferson Co.
    Ransom, 1974. Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
    • Kentucky
    Gems and Minerals of America -Jay Ellis Ransom-1974
      • Hart Co.
    Zeitner ,1968. Appalachian Mineral & Gem Trails
    Gems and Minerals of America- Jay Ellis Ransom-1974
    • Louisiana
      • Catahoula Parish
    Earth Treasures Vol 4, Allan W. Eckert, 1987
      • De Soto Parish
    Earth Treasures Vol 4, Allan W. Eckert, 1987
    Johnson, E.R.: Source Book For the Rock & Mineral Collector, 1960
    Earth Treasures Vol 4, Allan W. Eckert, 1987
      • East Feliciana Parish
    Earth Treasures Vol 4, Allan W. Eckert, 1987
    Earth Treasures Vol 4, Allan W. Eckert, 1987
    Earth Treasures Vol 4, Allan W. Eckert, 1987
    Earth Treasures Vol 4, Allan W. Eckert, 1987
      • Evangeline Parish
    Earth Treasures Vol 4, Allan W. Eckert, 1987
      • Ouachita Parish
    Jay Ellis Ransom,1974, Gems and Minerals of America; Johnson, 1960. Source Book for the Rock & Mineral Collector
    R&M 69:3 pp 156-162
    • Maryland
      • Baltimore Co.
    Rocks & Min.: 20:371.
    Gems and Minerals of America -Jay Ellis Ransom-1974
    • Mississippi
    Gems and Minerals of America - Jay Ellis Ransom- 1974
      • Hines Co.
    Blackwell, WH.: Bulletin of the Torrey Botanical Club, Vol. 110, No. 1 (Jan. - Mar., 1983), pp. 63-69
    http://www.olemiss.edu/depts/general_library/files/archives
      • Lincoln Co.
        • Wesson (Copiah Co.)
    Rocks & Min.: 24:256.
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    • Missouri
    Jay Ellis Ransom,1974, Gems and Minerals of America
      • Boone Co.
    R&M 73:2 pp 98-117
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
    • Montana
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
      • Custer Co.
    "The River Runs North" - A Story of Montana Moss Agate by Tom Harmon (author)
      • Deer Lodge Co.
    Donald Volkman personally collected
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    • Nebraska
      • Adams Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Buffalo Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Chase Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    Jay Ellis Ransom,1974,Gems and Minerals of America
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    Jay Ellis Ransom,1974,Gems and Minerals of America
      • Cuming Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Dawson Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Dodge Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Dundy Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Franklin Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Furnas Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Gage Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Garden Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Garfield Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Hall Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Harlan Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Hayes Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Hitchcock Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Holt Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Howard Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Jefferson Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Keith Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Knox Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Lincoln Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Madison Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Merrick Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Morrill Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Nance Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    Jay Ellis Ransom,1974,Gems and Minerals of America
      • Nuckolls Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Pawnee Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    Jay Ellis Ranson,1974,Gems and Minerals of America
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Red Willow Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Saline Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Scotts Bluff Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Seward Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Sheridan Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Stanton Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Thayer Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Thomas Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Valley Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Webster Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    • Nevada
    NBMG Bull 83 Geology and Mineral Deposits of Churchill County, Nevada
      • Clark Co.
        • Muddy Mountains District
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Elko Co.
        • Contact District
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
        • Ivanhoe District
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Esmeralda Co.
        • Fish Lake Valley District
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Humboldt Co.
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Lander Co.
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Lyon Co.
        • Fernley
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Mineral Co.
        • Rawhide District
    NBMG Spec. Pub. 31 Minerals of Nevada
        • Red Ridge District
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Washoe Co.
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
        • McClennan District
    NBMG Spec. Pub. 31 Minerals of Nevada
    • New Jersey
    Gems and Minerals of America - Jay Ellis Ransom-1974
    Gems and Minerals of America - Jay Ellis Ransom-1974
    Gems and Minerals of America -Jay Ellis Ransom-1974
    • New Mexico
      • Bernalillo Co.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
      • Catron Co.
        • San Augustin Plains
    Minerals of New Mexico 3rd ed.
      • Cibola Co.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
      • Doña Ana Co.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
      • McKinley Co.
    NMBMMR Bull 87 Mineral and Water Resources of New Mexico
        • Grants District
          • Ambrosia Lake area
    NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
        • Navajo Indian Reservation
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
      • San Miguel Co.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
        • San Ysidro area
    collected and identified by J. Nemitz
      • Santa Fe Co.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    NMBMMR Bull 81 Summary of the Mineral Resources of Bernalillo, Sandoval, and Santa Fe Counties, New Mexico
      • Sierra Co.
        • Engle area
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
        • Hot Springs District
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    • North Carolina
    Gems and Mineral of America-Jay Ellis Ransom-1974
    Gems and Minerals of America-Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America-Jay Ellis Ransom-1974
    Gems and Minerals of America-Jay Ellis Ransom-1974
    Self - Collected Bruce W. Osborne
    Gems and Minerals of America-Jay Ellis Ransom-1974
    Gems and Minerals of America - Jay Ellis Ransom-1974
    Gems and Minerals of America-Jay Ellis Ransom-1974
    Gems and Minerals of America-Jay Ellis Ransom
    Gems and Minerals of America-Jay Ellis Ransom-1974
    Gems and Minerals of America-Jay Ellis Ransom-1974
        • Germanton
    Genth,F,A and Kerr,W.C,1881,Minerals and Mineral Localities of North Carolina,Geologic Survey
    • North Dakota
    Jay Ellis Ransom,1974,Gems and Minerals of America
      • Billings Co.
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
    Jay Ellis Ransom,1974,Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
    Ransom, 1974. Gems and Minerals of America
    Ransom, 1974. Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
      • Slope Co.
    Rocks & Minerals (1955) 30:373
    Jay Ellis Ransom,1974,Gems and Minerals of America
    • Ohio
      • Athens Co.
        • Ames township
    Minerals of Ohio Bull. 69 ODNR
    Specimens collected by Isaac Coblentz . Ref. "Minerals of Ohio- bulletin 69, Ohio Division of Geologic Survey" by E. H. Carlson
        • Athens
    Minerals of Ohio Bull. 69 ODNR
    Minerals of Ohio Bull. 69 ODNR
        • Athens township
    Minerals of Ohio Bull. 69 ODNR
        • Bern township
    Minerals of Ohio Bull. 69 ODNR.
        • Lodi township
    Minerals of Ohio Bull. 69 ODNR
    Minerals of Ohio Bull. 69 ODNR
    Minerals of Ohio Bull. 69 ODNR
      • Belmont Co.
        • Barnesville
    Minerals of Ohio Bull. 69 ODNR
    Minerals of Ohio Bull. 69 ODNR
        • Kirkwood township
    Minerals of Ohio Bull. 69 ODNR
    Minerals of Ohio Bull. 69 ODNR
      • Gallia Co.
    Minerals of Ohio Bull. 69 ODNR
    Minerals of Ohio Bull. 69 ODNR
    Minerals of Ohio Bull. 69 ODNR
    Minerals of Ohio Bull. 69 ODNR
      • Guernsey Co.
        • New Concord
    Minerals of Ohio Bull. 69 ODNR
      • Jackson Co.
    Minerals of Ohio Bull. 69 ODNR
    Minerals of Ohio Bull. 69 ODNR
      • Meigs Co.
    Minerals of Ohio Bull. 69 ODNR
      • Monroe Co.
        • Sunbury township
    Minerals of Ohio Bull. 69 ODNR
    Minerals of Ohio Bull. 69 ODNR
      • Morgan Co.
        • Homer township
    Minerals of Ohio Bull. 69 ODNR
      • Muskingum Co.
    Minerals of Ohio Bull. 69 ODNR
        • Rock Cut
    Minerals of Ohio Bull. 69 ODNR
    • Oklahoma
    Jay Ellis Ransom,1974,Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
      • Grant Co.
    R&M 72:4 pp 252-264
    Jay Ellis Ransom,1974,Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
    Jay Ellis Ransom,1974,Gems and Minerals of America
      • McClain Co.
        • Byars deposits
    R&M 72:4 pp 252-264
      • McCurtain Co.
    R&M 72:4 pp 252-264
      • Baker Co.
        • Greenhorn District
    USGS Prof Paper 610 "Principal Gold Producing Districts of the United States"
    USGS Prof Paper 610 "Principal Gold Producing Districts of the United States"
    USGS Prof Paper 610 "Principal Gold Producing Districts of the United States"
    Paul De Bondt.
      • Jackson Co.
        • Lost Creek Reservoir
    Phyllis Richardson
      • Jefferson Co.
    Gem Trails of Oregon, James R. Mitchell 1998
      • Malheur Co.
        • Opalite District (McDermitt District)
    Dake, 1956. NW Gem Trails, 2nd ed.
    • Pennsylvania
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gordon, 1922. Mineralogy of Pennsylvania
      • York Co.
    Gems and Minerals of America- Jay Ellis Ransom-1974
    • South Carolina
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    Gems and Minerals of America- Jay Ellis Ransom-1974
    • South Dakota
    Jay Ellis Ransom, 1974,Gems and Minerals of America
    Jay Ellis Ransom, 1974,Gems and Minerals of America
      • Fall River Co.
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
        • Minnekahta
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
      • Jackson Co.
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
      • Meade Co.
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
      • Mellette Co.
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
      • Pennington Co.
        • Scenic
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
      • Perkins Co.
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
      • Todd Co.
        • Mission
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    • Tennessee
      • Sevier Co.
    The Rock Shop-Gatlinburg, Tennessee,- Judy and Reba
    • Texas
    Ransom, 1974. Gems and Minerals of America
      • Armstrong Co.
    R&M 66:3 pp 196-224
    BEG University of Texas publication 4301
      • Bastrop Co.
    R&M 66:3 pp 196-224
      • Brazoria Co.
    R&M 66:3 pp 196-224
      • Brewster Co.
    R&M 66:3 pp 196-224
        • Alpine
    http://www.omsinc.org/archives/Ore-cutts_Jan04.pdf
    BEG University of Texas publication 4301
    BEG University of Texas publication 4301
    R&M 66:3 pp 196-224
    BEG University of Texas publication 4301
      • Houston Co.
    R&M 66:3 pp 196-224
    R&M 66:3 pp 196-224
    R&M 66:3 pp 196-224
    BEG University of Texas publication 4301
      • Karnes Co.
        • Karnes Uranium District
    Cherepon, Alan J., Minerals of the Karnes Uranium District - The Franklin of Texas.
    BEG University of Texas publication 4301
    BEG University of Texas publication 4301
    www.tmm.utexas.edu/npl/mineralogy/Texas_Minerals/.
    BEG University of Texas publication 4301
    BEG University of Texas publication 4301
    BEG University of Texas publication 4301
    • Utah
      • Emery Co.
        • San Rafael District (San Rafael Swell)
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Garfield Co.
        • Circle Cliffs
    UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Kane Co.
        • Paria River
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • San Juan Co.
        • White Canyon District
          • White Canyon
    Can.Min.(1998) 36, 1077-1081
      • Washington Co.
    UGMS Bull 117 Minerals and Mineral Localities of Utah
        • Kolob Terrace District
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Leeds
          • Silver Reef District (Harrisburg District)
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Santa Clara
    UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Wayne Co.
    UGMS Bull 117 Minerals and Mineral Localities of Utah
        • Rabbit Valley
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Virginia
    Gems and Minerals of America-Jay Ellis Ransom-1974
    Minerals of Virginia 1990 by R. V. Dietrich
    Minerals of Virginia 1990 by R. V. Dietrich
        • Richmond-Petersburg Toll Road
    Minerals of Virginia 1990 by R. V. Dietrich
    Minerals of Virginia 1990 by R. V. Dietrich
    Gems and Minerals of America-Jay Ellis Ransom-1974
      • Prince George Co.
    Minerals of Virginia 1990 by R. V. Dietrich
      • Prince William Co.
    Minerals of Virginia 1990 by R. V. Dietrich
      • Spotsylvania Co.
    Minerals of Virginia 1990 by R. V. Dietrich
    Ref.: Dietrich, R. V. (1990), Minerals of Virginia.
    Gems and Minerals of America- Jay Ellis Ransom-1974
    • Washington
      • Grant Co.
      • Klickitat Co.
        • Warwick
    Dake, 1956. NW Gem Trails, 2nd ed.
      • Lewis Co.
        • Logan Hill
        • Toledo
      • Yakima Co.
        • Mount Adams
    Gorden De'Young collection
    • West Virginia
    Zeitner, 1968. Appalachian Mineral & Gem Trails
      • Monongalia Co.
        • Barker
    Zeitner, 1968. Appalachian Mineral & Gem Trails
    Zeitner, 1968. Appalachian Mineral & Gem Trails
    • Wyoming
    Jay Ellis Ransom,1974, Gems and Minerals of America
      • Carbon Co.
    Econ Geol (1980) 75:592-602
    Root, F. K. (1972) Minerals and rocks of Wyoming: Geological Survey of Wyoming Bulletin 56, 56 p.
      • Park Co.
        • Yellowstone National Park
    Kuntz American gems and precious stones
      • Sweetwater Co.
        • Eden Valley
    The Ohio Journal of Science. v54 n4 (July, 1954), 243-268
    Mineral and/or Locality
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