This Mourning Stone is designed to fit comfortably in the palm of your hand with a smooth indentation for your thumb to rest. It fits nicely into your pocket, enabling you to carry your Mourning Stone with you wherever you go. The Mourning Stones are completely organic in shape and no two Stones turn out the same. Offered in three amazing colors which are very reactive to changes in the torch chemistry so the colors turn out so unique and different each and every time. The Blue Thunder colour has a mixture of deep blue hues and milky light blues.