Mine(1) pronoun
Used to refer to a thing or things belonging to or associated with the speaker:
'what's mine is yours'

Mine(2) noun
An excitation in the earth for extracting coal or other minerals:
'A Gold mine'

Mine(1) pronoun
Used to refer to a thing or things belonging to or associated with the speaker:
'what's mine is yours'

Mine(2) noun
An excitation in the earth for extracting coal or other minerals:
'A Gold mine'