Lodestone in a sentence as a noun

I remember being ecstatic when I worked out that the lodestone was a magnet and could be used to get the key.

Finding Flow is a later expansion/restatement -- it's good enough in its own right, but Flow is the lodestone

I ended up reading the lodestone section and realizing that it was a description of magnets.

Especially love the "U" layout motif as a consistent lodestone throughout all branding.

Nobody likes to admit that their field has no experimental lodestone, and so drifts along as a popularity contest.

But Therrien, inspired by medieval alchemists who sought in vain for “adamant,” an unbreakable lodestone, is calling it adamantia.

Translation: I know he was on the project, but I didn't pay attention to the contributions of specific developers so I don't know whether he was the lodestone of the project or useless.

I would argue the most interesting non-medical paragraph is this one:The Polynesians did not have lodestones with which to make compasses, and their navigation system does not emphasize the stars, but the sea itself.

Lodestone definitions

noun

a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically

See also: loadstone