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  9. нƮ ȳ (Facet Cutters Handbook)

 16. (The Keystone Step Cut)


̰ Ḧ ֵ ٸ ִ ϳ̴. ؼ, ̳ Ͱ . (the emerald cut) ͼ ϱⰡ .

ġ ͵ ִ. нƮ ϰ 𼭸鿡 Ȯϰ ֵ ϱ Ͽ Ȯ ǰ 䱸ȴ. Ȯ , 6. (The French or calibre cut) 10. (The emerald cut) Ѵ.

ǥ Ÿ 尢 ã ̴. (column) Ÿ ִ ϳ ָ ϸ, ٸ 鵵 ִ ͵̾ Ѵ. ׸ нƮ ڵ ̴ܼ.

(quartz gems) ؼ, γ̴ ü 1/3 ̾ ϸ ۺ ̴ 2/3 ̾ Ѵ.


  1. 4 (ȯ) Ͽ Ѵ. 100 grit N ׸ 400 grit N Ѵ. (ּ : ڴ 淮 N  N ȿ ڵ鸸 ߴ. ࿡ ̾յ N Ѵٸ, 400 Ǵ 600 1,200 grits Ѵ)
  2. ̺ ϰ ó. ̺ ϴ 鿡 , 50% 70% ִ.
  3. 4 Ϻ нƮ(ָ) Ѵ.
  4. 4 ָ Ѵ (̺ ͵). Ѵٸ, ū ̺ нƮ ߰ ִ. ̵ ָ 45 ̶, 30 ܵ нƮ()̾ ϸ; ָ 42 , 27 ̾ Ѵ. Ȯ ϸ, 󼼿 Ͽ, the emerald cut, G&M, Dec. '55 Ѵ.
    нƮ 100 grit N 400 grit ִ.
  5. нƮ ó.

ۺ



  1. 4 ۺ ȯ нƮ Ѵ.
  2. 4 ߰ нƮ Ѵ.
  3. 4 Ϻ нƮ(ָ) Ѵ. ̵ ó 100 grit 400 grit Ѵ.
  4. ۺ нƮ ó.
  5. ȯθ ó.

 16. (The Keystone Step Cut)

  9. нƮ ȳ (Facet Cutters Handbook)

1.  Ӹ (Foreword)
2.  ؾ ͵ (Things to remember)
3.   ߿ϴ (Dopping is important)
4.  ǥ ٰ (The standard brilliant cut)
5.  ٰ 鿡 Ǽ (Common errors in brilliant cut stones)
6.   (The French or calibre cut)
7.  ﰢ (The triangle step cut)
8.   (The double French or cardinal cut)
9.  ﰢ ī (The triangle cardinal cut)
10. (The emerald cut)
11. Ÿ (The six-rayed star cut)
12. (The pentagon cut)
13. ﰢ (The cut-corner triangle cut)
14. ī (The step cut and cardinal kite cut)
15. (The cut-corner kite cut)
16. (The keystone step cut)

17. ī (The keystone cardinal cut)
18. (The cut-corner keystone cut)
19. (The oblong hexagon cut)
20. ٰ (The modified square brilliant cut)
21. ٰ (The don Diego cut)
22. (Polishing hard materials)
23. н͵ ȳ (Polishing guide for faceters)
24. н (Faceting angles and hints)
25. нƮ ǥ (Table of facet angles)
26. н ȯǥ (A faceting index conversion chart)
27. (Step cut round)
28. (Double bar cut)
29. (Bar cut pendeloque)
30. ٰ (Hexagonal Brilliant)
31. ݴ (Opposed bar cut)
32. ٰ (Scintillator brilliant)

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