Reply To: Contaminated Lap?/Over Cutting Facets During Polishing › Forums › Beginner Questions › Contaminated Lap?/Over Cutting Facets During Polishing › Reply To: Contaminated Lap?/Over Cutting Facets During Polishing May 26, 2020 at 9:07 am #6595 LowjiberParticipant @Lowjiber @scottwkelley… You’ll need to use diamond to polish corundum.
