1. Some hard gem materials get a better polish with
a wooden spool polisher
a stainless steel lap
a muslin buff
2. The easiest way to get a special shaped cab, such as a heart, correct is to
measure both sides of the slab with a calipers
use a double template
cut the top first and then line up the bottom
3. A difficult material to cut is
carnelian
kunzite
garnet
4. An attachment for making star stones is the
“hi-crown”
star preformer
star cup
5. If the saw starts glazing, a good remedy is to
increase the speed
touch the edge to a brick
add detergent to the coolant
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6. Dop sticks can be safely eliminated by
using the fingers
a wire basket
a gripping tool called a cab-master
7. A polishing buff works best when
it is saturated with slurry
it is almost dry
detergent is added to the slurry
8. A highly transparent agate may be tested for iris by
cutting a thin slab, oiling it and holding it in front of a light
“candling” it in a dark room
putting a slab between two lights
9. 14,000 diamond is used for
grinding
sanding
polishing
10. The best speeds for sawing are about
2,000 surface feet per minute
2,500 to 3,500 per minute
4,000 feet per minute
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