Faceting Design Diagram: Walking Star – Sapphire / Corundum – Ruby, Ceylon, Padparadschah, Pink, Yellow, Green


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

Walking Star (SAP5.JRG)
By Jeff R. Graham
Copyright 1994
81% Light Return
Angles for R.I. = 1.76
73 facets + 6 facets on girdle = 79
6-fold, mirror-image symmetry
96 index
L/W = 1.155 T/W = 0.577 T/L = 0.500
P/W = 0.414 C/W = 0.211
H/W = (P+C)/W+0.02 = 0.645
P/H = 0.641 C/H = 0.328
Vol./W^3 = 0.261

Gram Book 1 – This design cuts a nice stone, in any color material that you might have. If you have trouble finding rough you can buy a badly cut stone cheap sometimes and use it as a preform. This works well in man-made Sapphire and Spinel.


Random – Cosine – ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

Gram Faceting Archive of Information
This edited version of an article by the late Jeff Graham is part of a special archived informational series from Gram Faceting. Used with permission.