Faceting Design Diagram: Kashmire 1.33 – Sapphire / Corundum – Ruby, Ceylon, Padparadschah, Pink, Yellow, Green


Sapphire / Corundum (Ruby, Ceylon, Padparadschah, Pink, Yellow, Green)

Kashmire 1.33 (MC64.JRG)
By Jeff R. Graham
Copyright 2002
83% Light Return
Angles for R.I. = 1.76
81 facets + 16 facets on girdle = 97
2-fold, mirror-image symmetry
120 index
L/W = 1.328 T/W = 0.632 T/L = 0.476
P/W = 0.562 C/W = 0.179
H/W = (P+C)/W+0.02 = 0.761
P/H = 0.738 C/H = 0.235
Vol./W^3 = 0.349

Addition # 7 – For an oval, this is pretty easy to cut . It is designed for re-cutting native cut Sapphire ovals. It is L/W=1.33 and it is a good idea to check the L/W when you cut the girdle.


Random – Cosine – ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler