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Q.

What is a lodestone?

Asked by LUCY LOPEZ, 08 Oct '10 10:35 am
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Answers (4)

1.

A lodestone is a naturally magnetized piece of the mineral magnetite. They are naturally occurring magnets, that 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 Mohs hardness of 5.5-6.5 and a black streak.
Answered by LIPSIKA, 08 Oct '10 10:38 am

 
  
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2.

A raw magnet..............
Answered by fufa, 08 Oct '10 10:36 am

 
  
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3.

A natural magnet
Answered by dhanendra kumar jain, 08 Oct '10 10:36 am

 
  
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4.

A permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically
Answered by SriniVenkat, 08 Oct '10 10:36 am

 
  
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