Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Jeffersonite

Big Photo

Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
© John Cianciulli

Show Jeffersonite Photos (4)
Formula:
Ca(Mn,Zn,Fe)Si
 
2
O
 
6
A variety of Augite

A zincian manganoan variety of augite, a clinopyroxene.
Originally described from Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA.

Classification of Jeffersonite

mindat.org URL:http://www.mindat.org/min-2085.html
Please feel free to link to this page.

Chemical Properties of Jeffersonite

Formula:
Ca(Mn,Zn,Fe)Si
 
2
O
 
6
Essential elements:Ca, Mn, O, Si
All elements listed in formula:Ca, Fe, Mn, O, Si, Zn

Other Names for Jeffersonite

German names:
Jeffersonit
Spanish names:
Jeffersonita

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 Jeffersonite

Search Engines:
  • Look for Jeffersonite on Google
  • Look for Jeffersonite images on Google
    • Mineral Dealers:
  • Buy Minerals and Crystals from Crystalarium.com
  • Wilensky Fine Minerals
  • Buy fine minerals and gemstones from Pala International
  • Buy from David K Joyce minerals
  • Top quality minerals from Kristalle of California
  • Fine Minerals from Dan Weinrich Minerals
  • Rare and Unusual minerals at Mineralogical Research Company
  • Search for Jeffersonite at Thames Valley Minerals
  • Buy Fine Minerals from mineralsweb.com
  • Lapis Mineral Magazin
  • High-end worldwide specimens & outstanding customer service
  • rare and unusual minerals mainly crystallized
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Localities for Jeffersonite

    (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.
    Australia
     
    • South Australia
      • Olary Province
        • Plumbago homestead
    		No reference listed
    Sweden
     
    • Västmanland
      • Ljusnarsberg
        • Kopparberg
    USA
     
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Ogdensburg
            • Sterling Hill
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. 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.