LODESTONE

Lodestone

A lodestone, or loadstone, is a naturally magnetized piece of the mineral magnetite. They are naturally-occurring magnets, which can attract pieces of iron. Ancient people first discovered the property of magnetism in lodestone. Pieces of lodestone, suspended so they could turn, were the first magnetic compasses, and their importance to early navigation is indicated by the name lodestone, which in Middle English means 'course stone' or 'leading stone'. Lodestone is one of only two minerals that is found naturally magnetized; the other, pyrrhotite, is only weakly magnetic. Magnetite is black or brownish-black with a metallic luster, has a ...

The above text is a snippet from Wikipedia: Lodestone
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lodestone

Noun

  1. A naturally occurring magnet.
  2. The mineral magnetite.


The above text is a snippet from Wiktionary: lodestone
and as such is available under the Creative Commons Attribution/Share-Alike License.

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