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Moss Agate

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Colour:White, Transparent, ...
A variety of Chalcedony

A variety of Chalcedony frequently containing green mineral inclusions (eg Chlorite, Hornblende, etc.) or brown to black dendrites of iron or manganese oxides.

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Classification of Moss Agate

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Physical Properties of Moss Agate

Colour:White, Transparent, Green patches

Other Names for Moss Agate

Synonyms:
Tree Agate
Other Languages:
French:Agate mousseuse
German:Moosachat

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.

Internet Links for Moss Agate

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  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • rare and unusual minerals mainly crystallized
  • Buy RARE Minerals from Rocks of Africa
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  • Localities for Moss Agate

    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.
    Argentina
     
    • Entre Ríos
    Juan Carlos Lodovichi
    Armenia
     
    • Tavuš Province (Tavush)
      • Idzhevan
    Pavel M. Kartashov data
    Australia
     
    • Western Australia
      • Ngaanyatjarraku Shire
        • West Musgrave Block
          • Wingellina Community
    Fetherston, J., Stocklmayer, S., Stocklmayer, V.(2013): Gemstones of WA, Geological Survey of WA
    Canada
     
    • British Columbia
      • Kamloops Mining Division
        • Mt. Savona
          • Deadman's River
    www.em.gov.bc.ca/cf/minfile
      • Omenica Mining Division
        • Kemano
    • Manitoba
      • Souris
    Phillips, K. A. (1978) Minerals of Manitoba: Vol 1 Nonmetallic and pegmatic. Manitoba Mineral Resources Division Educational Series 78/1.; Ormerod, M. J., M.D. (1964) Gemstones of Manitoba: Lapidary Journal, v.18, no. 6, p. 704.
    Leiper (ed.), 1966. The Agates of North America
    Germany
     
    • Rhineland-Palatinate
      • Palatinate
        • Kusel
          • Pfeffelbach
    Poser, C., and Lutz, H. (2004): Mineralien aus Rheinland-Pfalz.Landessammlung für Naturkunde Rheinland-Pfalz (Mainz)
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Zemplén Mts (Tokaj Mts)
        • Komlóska
    Szakáll & Jánosi: Minerals of Hungary, 1995
    • Heves Co.
      • Mátra Mts
        • Gyöngyöstarján
    Geoda, 2003
    GEODA/1997
    India
     
    • Gujarat
      • Rajkot District
    Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
    Iran
    http://iranian-agates.freeservers.com/
    Kazakhstan
     
    • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
      • Zhana-Arkinskii rayon
    Gems of Kazakhstan, - textbook, Almaty, 1999, v.1, pp. 71-73 (in Rus.)
    Mexico
     
    Panama
    Quinn Mineral ad, Rock & Gem, v. 6, no. 12, p. 38.
    South Africa
     
    • Eastern Cape Province
    Minerals of South Africa
    UK
     
    • Scotland
      • Tayside (Angus)
        • Monifieth
    UK Journal of Mines and Minerals, No. 14 p17-20
    USA
     
    • Arizona
      • La Paz Co.
    Zeitner, J. C. 1964 Treasures of the Desert: Lapidary Journal, v. 17, no. 11, p. 1082-1089.
    • California
      • Calaveras Co.
        • East Belt
          • Mokelumne Hill District
            • Mokelumne Hill
    Mining and Scientific Press (1866), The “opal claims” of Stockton Hill: Mining and Scientific Press: 12: 146; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 316.
        • Pardee District
          • Toyon
    USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10028681.
      • Imperial Co.
        • Chocolate Mts
          • Paymaster District
    Strong, M. F. 1971a Desert Gem Trails. A Field Guide to the Gems and Minerals of the Mojave and Colorado Deserts: Second Revised Edition, Gem Guides Book Co., Baldwin Park, CA, 80 p.
      • Kern Co.
        • El Paso Mts
          • Ricardo
    MacLachlan, D. 1950 The Greatest Collecting Area: Lapidary Journal, v. 4, no. 2, p. 96-100.
      • Riverside Co.
    Strong, M. F. 1971a Desert Gem Trails. A Field Guide to the Gems and Minerals of the Mojave and Colorado Deserts: Second Revised Edition, Gem Guides Book Co., Baldwin Park, CA, 80 p.
      • San Bernardino Co.
        • Cady Mts
        • Fort Irwin
    Kunz, George Frederick (1901), Precious stones: Mineral Resources U.S., 1900: 763; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 317.
      • San Luis Obispo Co.
    • Colorado
      • Grand Co.
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
      • Mesa Co.
        • Fruita
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
      • Park Co.
        • South Park
          • Antero Junction
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) Eckels, E. B.
      • Saguache Co.
    Rocks & Minerals (July, 2002)
    • Georgia
    Gems and Minerals of America- Jay Ellis Ransom-1974
    • Idaho
    • Iowa
      • Dubuque Co.
    www.missourigeologists.org/Min-Loc2.pdf.
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    • Kansas
    Jay Ellis Ransom,1974, Gems and Minerals of America
    Jay Ellis Ransom,1974, Gems and Minerals of America
    www.people.ku.edu/~stalder/KS-minerals.html
    www.people.ku.edu/~stalder/KS-minerals.html
    • Maryland
      • Baltimore City
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
    Gems and Minerals of America- Jay Ellis Ransom-1974
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
          • Soldiers' Delight ridge
    Rocks & Min.: 19:148.
      • Cecil Co.
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
    Gems and Minerals of America - Jay Ellis Ransom-1974
        • Dublin
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
    Rocks&Min. 17:238.
      • Custer Co.
    The River Runs North - the Story of Montana Moss Agate by Tom Harmon (author)
      • Dawson Co.
    USGS Bull 624
    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
      • Dodge Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Lancaster Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Otoe Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Pawnee Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Richardson Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Saunders Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Seward Co.
    The Minerals and Gemstones of Nebraska CSD U Neb EC 2
      • Sioux Co.
    • Nevada
    Kunz, 1892. Gems & Precious Stones of N. America, p.133.
    • New Mexico
      • Catron Co.
        • San Augustin Plains
    Minerals of New Mexico 3rd ed.
      • Grant Co.
        • Alum Mountain District (Alum District)
          • Alum Mountain
    Minerals of New Mexico 3rd ed.
      • Hidalgo Co.
    Minerals of New Mexico 3rd ed.
      • Sierra Co.
        • Engle area
    Minerals of New Mexico 3rd ed.
    The Mineralogist, v. 9, no. 5, p. 181.
      • Socorro Co.
    Minerals of New Mexico 3rd ed.
    • North Carolina
      • Orange Co.
    Kunz, 1892. Gems & Precious Stones of N. America, p.132.
    Gems and Minerals of America-Jay Ellis Ranson-1974
    Zeitner,J.C.,1968,Appalachian mineral and gem trails,Lapidary Journal
    • North Dakota
      • McKenzie Co.
    Rock and Mineral Collecting in North Dakota NDGS Newsletter June 1976
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
    Rock and Mineral Collecting in North Dakota NDGS Newsletter June 1976
      • Williams Co.
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
    • Oklahoma
    Rocks & Minerals 72:4 pp 252-264
    • Oregon
      • Crook Co.
      • Hood River Co.
    MacFall, 1951. Gem Hunter's Guide, 1st ed.
      • Jackson Co.
        • Medford
    The Mineralogist, 21(12):462.
    • Pennsylvania
      • Lancaster Co.
        • State Line Chromite District
          • Fulton Township
    Mineralogy of Pennsylvania-1922; Samuel S. Gordon, pg. 204
    • South Dakota
      • Harding Co.
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
      • Meade Co.
        • Maurine
    SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
    • Texas
      • Brewster Co.
        • Alpine
    www.austingemandmineral.org
    R&M 66:3 pp 196-224; http://www.omsinc.org/archives/Ore-cutts_Jan04.pdf
        • Davis Mts
    R&M 66:3 pp 196-224
    • Utah
    Lapidary Journal 31:179.
    • Virginia
    Gems and Minerals of America-Jay Ellis Ransom-1974
      • Loudoun Co.
        • Conklin
    Minerals of Virginia 1990 by R. V. Dietrich
    The Mineral Collector. 12:149 (1905)
      • Big Horn Co.
    USGS Bull 1391-D
    Jay Ellis Ransom,1974,Gems and Minerals of America
      • Park Co.
    Ludlow (1876) Report of a reconnaissance from Carroll, Montana territory, on the upper Missouri to the Yellowstone National Park
      • Platte Co.
    Rocks & Minerals 76:389
    USGS 1970 PP495-C Cenozoic geology of the Granite Mountains area, central Wyoming
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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