Diamond Saw - (a) A saw used for dividing or separating diamonds. (b) A diamond-charged blade used as a cutting edge in fashioning colored stones or in various applications in industry.
Makita Portable Diamond Saw
Every once in a while you are confronted with a crystal specimen in broad rock face and no hope of extracting the specimen without damage.
Glass can also be cut with a diamond saw, or copper wheels embedded with abrasives, and polished to give gleaming facets; the technique used in creating waterford crystal.
In the early 1900's, the development of diamond saws and jewelry lathes enabled the development of modern diamond cuts, including the "round brilliant" cut.
saw plane The area or imaginary plane the diamond sawyer has chosen in order to saw the rough diamond into two pieces. The grain is of much importance in the limitations as to where the saw plane may exist.
Oxyacetylene torch invented by Edmund Fouché
The diamond saw is invented by a Belgian working in the USA. (c.)
Synthetic rubies exhibited at Paris Exposition ...
Sawing is the process where the flaws are removed by the diamond saw blade. Moreover, with the increase in transparency the visibility of the inclusions becomes unnoticed. It is almost free of inclusions thus less susceptible to splits or cracks.
Ruby is a very hard gem.
It is a 9 on the Mohs hardness scale,
which means that it can be scratched
only with diamond. When a lapidary
(stonecutter) cuts and polishes a ruby,
he or she must use diamond saws
and polishing compounds.
The situation was becoming a bit desperate, as either the ring or the finger had to come off within the next couple of hours. I took a small diamond saw to the ER and carefully sawed through the jade in a couple of minutes, ...
 See also: Diamond, Cut, Stone, Crystal, Gemstone
  
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