Magnetite (#38)

  • About

    • This specimen is an example of a mineral that formed in a hydrothermal-metamorphic environment.

      Show more
  • Exhibition Text

    • Hydrothermal & Metamorphic
      The development of a mineral deposit may involve more than one kind of environmental condition. The world-famous and valuable zinc-manganese-iron ore deposit 50 miles northwest of New York, in the Franklin-Sterling Hill area of New Jersey, is an excellent example. About 230 mineral species, a record number, have been found in a complex geologic situation that probably involved both hydrothermal and metamorphic mineral-forming activities.

  • Collection Information

    • Magnetitie Fe3O4

      Franklin, New Jersey