Which preposition to use with loadstone

of Occurrences 5%

I hold that God has kept this land of America to the last to be the loadstone of adventurers, and that there are greater wonders to be seen than any that man has imagined.

in Occurrences 2%

So that, without doubt, there is some secret loadstone in a beautiful woman, a magnetic power, a natural inbred affection, which moves our concupiscence, and as he sings, "Methinks I have a mistress yet to come, And still I seek, I love, I know not whom.

to Occurrences 2%

There was a man speaking now from the bottom of the hole to others in the churchyard, and then my eyes were led as by a loadstone to a great wooden coffin that lay by itself on the top shelf, a full six feet from the ground.

for Occurrences 1%

No rich man had stepped in to snatch, in spite of all his own flocks and herds, at the poor man's own ewe- lamb, and set him barking at all the world, as many a poor lover has to do in defence of his morsel of enjoyment, now turned into a mere bone of contention and loadstone for all hungry kites and crows.

with Occurrences 1%

As for the variation, I believe the star has the quality of all the four quarters, like the needle, which if touched to the east side points to the east, and so of the west, north, and south; wherefore, he that makes a compass covers the loadstone with a cloth, all but its north part, or that which has the power to make the needle point to the north.

Which preposition to use with  loadstone