Can I use a marble polishing creme in place of a powder? What’s the difference between the two?

Yes, you can use a creme instead of a powder. However, the cremes are usually designed for maintenance and not restorative polishing. Most craftsmen prefer the powders rather then the cremes. Give both a try and decide which works best for you.

The only difference between the cremes and the powders are that the cremes have an added component that suspends the powder into a gel. In other words the cremes are powders but suspended in a gel. The benefit of using the gels is that they are less likely to etch.