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  9. нƮ ȳ (Facet Cutters Handbook)

No.27 32 ִ е ͵̴. е鿡 帰. 

 27. (Step Cut Round)


Ϸ нƮ , the Contra Costa Mineral and Gem Society the East Bay Mineral Society ȸ, Gerald Hemrich ߴ. 4 ٸ ִ (No.27-30).

Hemrich ϱ⸦ " â̶ , ִٰ , ο ٶ 鿡Դ ̰  ̴. 幮 Scotch cut иϴ..."

־ (quartz) ̴. ܼ ǥ̴. ׸, ܰ 96  ݼڿ 64 Ͽ Ÿ.
 


  1. Ϲ ̺ ϰ ó. 45 ͸ Ѵ. ̺ 50% .
  2. 58 16 нƮ Ѵ.
  3. 45  16 нƮ Ѵ.
  4. 30  16 нƮ Ѵ.
  5. θ ó.

ۺ


  1. ο ġ, 41 16 нƮ Ѵ. ο .
    Ǵ
  2. 61  16 нƮ Ѵ.
  3. 51  16 нƮ Ѵ.
  4. 41  16 нƮ Ѵ.
  5. θ ó.

̰ ۺ 3 κ . ο Ѵ.

ȯδ ó Ǵ ܵ ̳ ο ־ Ͽ 16 нƮ 쵵 ִ.

̰ ȿ ̴.

 27. (Step Cut Round)

  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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