I want to draw a "separating implication" symbol by using Latex.

This is an operator in Separation Logic and it looks like below:

![enter image description here](https://i.stack.imgur.com/KanGD.png)

![enter image description here](https://i.stack.imgur.com/B9mxc.png)

It should be a minus symbol (`-`) combining with an asterisk (`*`), but how to remove completely space between them?

I try `\mathrel{{-}{*}}` but it does not work.