| GRIT |
DESCRIPTION |
| 50-60 |
For fast
stock removal and pre-forming larger stones.
Recommended lap for surfacing large flats on
inexpensive material. Little or no chipping at
edges. |
| 80-100 |
For fast
stock removal and pre-forming smaller stones.
Recommended lap for surfacing large flats on more
expensive material. Little or no chipping at
edges. |
| 170-200 |
For
pre-forming smaller stones and for cutting in
facets on all sizes of stones. |
| 325 |
Good for
cutting in facets and the surfacing. |
| 600 |
A
good lap for cutting in facets on small to medium
stones. Leaves a good pre-polish on quartz. |
| 800 |
For
cutting in facets on small and medium harder
stones. |
| 1200 |
For
super-fine cutting or pre-polishing depending on
material. |
| 1600 |
Great for
pre-polishing harder material. |
| 3000 |
Super-great
for pre-polishing hard material. |
