Faceting Design Diagram: Quickie – Garnet – Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite


Garnet (Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite)

Quickie (GNETP6.JRG)
By Jeff R. Graham
Copyright 1993
89.3% Light Return
Angles for R.I. = 1.73
29 facets + 8 facets on girdle = 37
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.422 T/L = 0.422
P/W = 0.356 C/W = 0.165
H/W = (P+C)/W+0.02 = 0.542
P/H = 0.658 C/H = 0.305
Vol./W^3 = 0.174

Gram Book 1 – This cut is designed to be fast with good light return and shallow to help lighten up dark Pyrope material. This is a good cut for an intermediate cutter and is fast. It works well in man-made Sapphire and CZ also.


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.