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Regional Report: Boron, Kramer District, Kern Co., California, USA

Boron is a small town in the Kramer district about midway between the larger towns of Mojave to the West and Barstow in the east. Many of the workers in the big U.S. Borax open pit mine a little north of town live here.

For full locality listing click here. Alternatively: Click here for heirarchical list of localities in Boron, Kramer District, Kern Co., California, USA

  • 'Agate' - 4
  • Albite - 6
  • Analcime - 3, 8, 6
  • 'Apatite' - 6
  • Aragonite - 6
  • Arsenic - 6
  • Arseniosiderite - 4
  • Arsenolite - 6
  • Augite - 6
  • Baryte - 6
  • Barytocalcite - 6
  • 'Bentonite' - 6
  • Berthierite - 6
  • Biotite - 10, 6
  • Birnessite - 4
  • Borax - 4, 5, 3, 1, 9, 8, 6
  • Calcite - 3, 9, 8, 10, 6
  • Chabazite-Na - 4, 3
  • 'Chlorite Group' - 10, 6
  • 'Clay' - 6
  • 'Clinoptilolite' - 6
  • Clinoptilolite-Na - 3
  • Colemanite - 4, 3, 9, 8, 6
  • Copiapite - 6
  • Dolomite - 10, 6
  • Epidote - 6
  • Epsomite - 6
  • 'Erionite' - 6
  • 'Feldspar Group' - 6
  • 'Ferroan Saponite' - 3
  • 'Garnet Group' - 6
  • Garrelsite - 4, 6
  • Gerstleyite - 4, 1, 8, 10, 6
  • 'Gmelinite' - 3
  • Gmelinite-Na - 3
  • Greigite - 4, 3, 8, 10, 6
  • Gypsum - 6
  • Halite - 6
  • Hematite - 6
  • Herschelite - 3
  • 'Heulandite' - 3
  • Heulandite-Na - 3
  • Hisingerite - 6
  • 'Hornblende' - 6
  • Howlite - 4, 6
  • Hydroboracite - 4, 3, 9, 8, 6
  • Hypersthene - 6
  • Illite - 6
  • Ilmenite - 6
  • Inderite - 4, 1, 9, 8, 6
  • Inyoite - 4, 9, 6
  • 'Jasper' - 4
  • Kaolinite - 6
  • Kernite - 4, 9, 8, 10, 7, 6
  • Kurnakovite - 4, 1, 9, 8, 6
  • 'Labradorite' - 6
  • Lepidocrocite - 6
  • Limonite - 6
  • Mackinawite - 4, 6
  • Magnetite - 6
  • Mazzite-Na - 3
  • Meyerhofferite - 4, 9, 6
  • 'Mica Group' - 6
  • Microcline - 6
  • Mirabilite - 6
  • 'Monazite' - 6
  • Montmorillonite - 10, 6
  • Mordenite - 3
  • Muscovite - 6
  • Natrojarosite - 6
  • Natrolite - 6
  • 'Olivine' - 6
  • Opal - 6
  • Orpiment - 9, 8
  • Pararealgar - 4, 8
  • 'Petrified Wood' - 4
  • 'Phillipsite' - 3, 6
  • Phillipsite-Na - 3
  • Phlogopite - 6
  • Probertite - 4, 3, 1, 9, 8, 6
  • Pseudobrookite - 6
  • Pyrite - 6
  • Pyrrhotite - 3, 6
  • Quartz - 6
  • Realgar - 4, 5, 9, 8, 6
  • Rhodochrosite - 3, 6
  • Rutile - 6
  • Sassolite - 8, 10, 6
  • Searlesite - 4, 3, 9, 10, 6
  • Sideronatrite - 6
  • Smythite - 8, 6
  • Stibnite - 6
  • 'Stilbite' - 3
  • Strontianite - 6
  • Sulphur - 6
  • Thenardite - 6
  • Tincalconite - 4, 5, 1, 9, 8, 6
  • Titanite - 6
  • 'Tourmaline' - 6
  • Tridymite - 6
  • Tunellite - 4, 5, 9, 8, 6
  • Ulexite - 4, 5, 3, 9, 8, 6
  • Veatchite - 8
  • Witherite - 6
  • 'Zeolite Group' - 4
  • Zircon - 6


  • 106 minerals listed.

    Locality Key
    1Baker mine, U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
    2Boron Dry Lakes (Boron Dry Lakes #1), Boron, Kramer District, Kern Co., California, USA
    3Boron Pit, Baker mine, U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
    4Boron, Kramer District, Kern Co., California, USA
    5Jennifer mine, Baker mine, Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
    6Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
    7Rich Station, Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
    8U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
    9U.S. Borax Open Pit, U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
    10Western Mine (Mudd Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 16th Nov 2009 00:36:21