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

Deeply Ceylon Blue (MC59.JRG)
By Jeff R. Graham
Copyright 2002
81.9% Light Return
Angles for R.I. = 1.76
85 facets + 12 facets on girdle = 97
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.500 T/L = 0.500
P/W = 0.555 C/W = 0.176
H/W = (P+C)/W+0.02 = 0.751
P/H = 0.739 C/H = 0.235
Vol./W^3 = 0.339

Addition # 7 - The corners just need to be cut in on this until they look right to you. They are made to float for weight yield. This is designed for deep native cut stones.




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