Meteorite ?

This is a bit of a long shot , I have a collection of ancient pieces and in one of the trays I found this piece of rock or metal not sure.Photo shows both sides weighs 43 grams and would like to read what anyone thinks it could be.

 

have you tested to see if its magnetic?

 

No never thought thank you.

 

No doesn’t stick.

 

Hi,
I have picked up several meteorites at the Antarctic when I was in the Navy one stoney one was NOT magnetic, the others were. Most of the metal ones are magnetic a lot of the stoney ones are not magnetic.
greg

 

Slag?

 

Possibly thank you.

 

Just checked slag is usually magnetic because of all the iron this piece isn’t magnetic still looking.