Here's an interesting perspective from Evelyn Underhill (Mysticism, 12th ed, p.70-71): "The fundamental difference between the two is this: magic wants to get, mysticism wants to give —immortal and antagonistic attitudes, which turn up under one disguise or another in every age of thought. Both magic and mysticism in their full development bring the whole mental machinery, conscious and unconscious, to bear on their undertaking: both claim that they give their initiates powers unknown to ordinary men. But the centre round which that machinery is grouped, the reasons of that undertaking, and the ends to which those powers are applied differ enormously. In mysticism the will is united with the emotions in an impassioned desire to transcend the sense-world, in order that the self may be joined by love to the one eternal and ultimate Object of love; whose existence is intuitively perceived by that which we used to call the soul, but now find it easier to refer to as the “cosmic” or “transcendental” sense. This is the poetic and religious temperament acting upon the plane of reality. In magic, the will unites with the intellect in an impassioned desire for supersensible knowledge. This is the intellectual, aggressive, and scientific temperament trying to extend its field of consciousness, until it includes the supersensual world: obviously the antithesis of mysticism, though often adopting its title and style." I am not sure I agree with everything stated here. Nevertheless I find Evelyn Underhill's perspective thought provoking.