The procedure is simple. Grind your cabochon to shape on the 80 grit Galaxy metal-bond diamond grinding wheel, then proceed to the 220 grit Galaxy wheel to remove all deep scratches. Coarse sanding is done on the 280 grit Nova resin-bond diamond wheel. Spend enough time on this wheel to completely remove all scratches left by the grinding wheels -- usually only a few minutes-- then proceed to the three Nova wheels on the right for final sanding and polishing. Most stones properly prepared on the grinding wheels and the 280 Nova will take only a few minutes more on the three remaining Novas to achieve a fine polish. For those stones needing another step, we include a pad and diamond compound.
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