A harder, sharper meet-forming version of the popular MATRIX lap especially suited for the BLAKSTIK water-dispersable diamond polishing system, but also useful with conventional compounds.

With 60K or 100K diamond, or the BLAKSTIK series of polycrystalline diamond,Two Things:
FAST.
FLAT FACETS.

A stone slayer especially on harder stones..corundum, CZ, topaz, and Moissanite

Light pressure with the usual sweeping is suggested.