nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqmc3fyzafm6shv38mesf05vapyg3dxhxm34u3heqqn7jrze9hlqfquu7laa (nprofile…7laa) I mean you can extract iron from bacterial, so seems plausible for copper as well.
I got this information from a Primitive Technology video on YouTube.