If you cut yourself with a blade while shaving, moisten a stone with water and run it over the scratch. The bleeding will stop. It can be used as an aftershave . Quartz stone is odorless, so it goes with any cologne.
Alunite is made of naturally occurring potassium alum. It is packed in a plastic box, in which you can store the stone in the bathroom, as well as take it on the road.