A lodestone or loadstone is a naturally magnetized piece of the mineral magnetite.
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We shall speak of the loadstone in its proper place,1 and of the sympathy which it has with iron.
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Abel Janszoon Tasman noted in his journal on 22 November 1642 that his compasses were not steady and deduced the presence of mines of loadstone.
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The Ancient Romans and Greeks did not use steel needles, so evein if they were aware of the directional property of loadstone, they would not have found it practical to make compasses.
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In the account of the loadstone referred to above, he informs us that this mineral was employed in the formation of glass.-B. Beckmann is of opinion that Manganese is here alluded to.
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More examples
Lodestone: a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically
To dream of a loadstone, denotes you will make favorable opportunities for your own advancement in a material way. For a young woman to think a loadstone is attracting her, is an omen of happy changes in her family.
A strongly magnetized rock, especially one containing magnetite; something that attracts, as with magnetic force.