The Lava Blue Flat Petite Unscented from Mad et Len 

Details
5"x 3" tall
Lava rocks and blue Sodalite
Custom container made by hand in Morocco. 
Drop 2-5 drops of a scent of your choice every few days.
Custom box
Made and assembled in Paris, France. 

This is an unscented version of the potpourri, recharge oils sold separately