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Travertine

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Sanpete Co., Utah, USA

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Formula:
CaCO
 
3
A variety of Calcite

Travertine is formed by calcium carbonate dissolving in ground water and then being deposited on the earth’s surface by rivers, natural springs, or geysers. Often it is banded or layered and in pastel shades of almost any colour. Sold as "Mexican Onyx" in carvings of chess men etc. Although referred to as "Onyx" in commercial trade, it has the hardness of calcite that is much softer than real Onyx which is a black and white banded agate.

Classification of Travertine

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Chemical Properties of Travertine

Formula:
CaCO
 
3
All elements listed in formula:C, Ca, O

Other Names for Travertine

Other Languages:
Simplified Chinese:钙华

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 Travertine

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  • Fabre Minerals - search for Travertine specimens
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    • Localities for Travertine

    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.
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    (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.
    China
     
    • Tibet Autonomous Region
      • Xigazê (Rikaze; Shigatse) Prefecture
        • Ngamring (Angren) Co.
    		Yuanyi Zhao, Xitao Zhao, and Zhibang Ma (2006): Acta Petrologica Sinica 22(3), 717-724
    Latvia
     
    • Zemgale Region
    		Imants Kreicbergs collection
    UK
     
    • England
      • Dorset
        • Isle of Portland
    		Paul Render
      • Gloucestershire
        • Forest of Dean
          • Drybrook
    		Paul Render
      • Somerset
        • Cheddar
    		Paul Render
    USA
     
    • Alaska
      • Aleutians East Borough
        • Alaska Peninsula District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    • California
      • Inyo Co.
        • Birch Creek Rare II Area
          • Birch Creek area
    		Barnes, I. (1965), Geochemistry of Birch Creek, Inyo County, California, a travertine depositing creek in an arid climate: Geochimica et Cosmochimica Acta: 29: 85-112.
        • Death Valley National Park
    		Hardie, L.A. (1968) The origin of the Recent nonmarine evaporate deposit of Saline Valley, Inyo County, California. Geochimica et Cosmochimica Acta: 32: 1287; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 210.
            • Northeast segment of Saline Valley
    		White, D.E. (1955) Thermal springs and epithermal ore deposits. Economic Geology: 50th. Anniversary volume: 134; Hewett, Donnel Foster and Fleischer, M. (1960) Deposits of the manganese oxides. Economic Geology: 55: 10, 41-43; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 167.
      • Kern Co.
        • Erskine Creek District
          • Bodfish
    		Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 129.
    • Kentucky
    		Rocks & Minerals 81:420-440
      • Barren Co.
    		Rocks & Minerals 81:420-440
      • Casey Co.
    		Rocks & Minerals 81:420-440
      • Crittenden Co.
        • Illinois - Kentucky Fluorspar District
          • Marion
    		Mineralogical Record (1997) 28:3-49; Rocks & Minerals 81:420-440
      • Garrard Co.
    		Rocks & Minerals 81:420-440
      • Hardin Co.
    		Rocks & Minerals 81:420-440
      • Jefferson Co.
    		Rocks & Minerals 81:420-440
      • Letcher Co.
    		Rocks & Minerals 81:420-440
      • Montgomery Co.
    		Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
      • Ohio Co.
    		Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
      • Pulaski Co.
    		Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
      • Warren Co.
    		Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
    • New Mexico
      • Luna Co.
    		NMBGMR Open-file Report OF-459
    • New York
      • Herkimer Co.
        • Ilion
    		Rocks & Minerals 82:472-483
    • North Carolina
      • Swain Co.
        • Hewitt
    		www.mcrocks.com
    • Tennessee
      • White Co.
    		Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
    • Virginia
      • Rockingham Co.
    		various photographs
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the 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 hundreds 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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