I have a small "suspect" stone that will roll right off of a NDIB
supermagnet if you set it on it and tilt the magnet a little, but I
picked it up with my magnet cane. (??) I have two 2"x2"x1/4" NDIB
supermagnets side by side on the head of the cane. When I found the
little stone that day it was sitting up on the top of the magnets and
right in the middle where the two magnets touched. I don't know squat
about magnets but because of finding this little rock like that I have
always wondered if the attraction is stronger when two flat magnets
are touching each other on the edge more so than just one of those
magnet's attraction by itself. I'm probably way out in left field on
this. Maybe someone on the List can shoot down my theory so I can
forget about that being the reason for picking up the stone.
Mike in CO
On May 24, 2011, at 9:41 AM, David Gunning wrote:
Hi All,
It's commonly understood that all meteorites are magnetic to varying
degrees, or so I've read. I'm wondering if there are any exceptions
to
that iron clad rule of thumb?
I've a non-magnetic mineral specimen with a black crust and what
appear
to be some sort of orientation striations.
The specific gravity of this specimen is lower than the range of
values
usually associated with most meteorites.
Prolly a meteorwrong, I realize, but causes me to pause and wonder if
it's within the realm of remote possibility that there are such
animals
as non-magnetic meteorites?
Thanks for your indulgence in helping diminish a wealth of personal
ignorance in the somewhat occasional arcane field of meteorite
identification.
All good regards,
David Gunning
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