(S, B) ⲁⲛⲓⲕⲁⲙ (ⲡ)
(noun male)
kind of vitriol
Crum: 12a
Dawoud: 7b

https://en.wikipedia.org/wiki/Copper(II)_sulfate
copper sulfate?
https://en.wikipedia.org/wiki/Copper(II)_sulfate
copper sulfate?
https://en.wikipedia.org/wiki/Iron(II)_sulfate
iron sulfate?
https://upload.wikimedia.org/wikipedia/commons/5/5a/Chalcanthitefrance.jpg
chalcanthite
(S, B) ⲁⲛⲓⲕⲁⲙ
Crum: 12
12
12

Dawoud: 7b
7
7