Faceting Design Diagram: Quickie 2 – Garnet – Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite


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

Quickie 2 (GNETP10.JRG)
By Jeff R. Graham
Copyright 1993
91.2% light return
Angles for R.I. = 1.73
33 facets + 8 facets on girdle = 41
4-fold symmetry
96 index
L/W = 1.000 T/W = 0.373 T/L = 0.373
P/W = 0.370 C/W = 0.181
H/W = (P+C)/W+0.02 = 0.570
P/H = 0.648 C/H = 0.317
Vol./W^3 = 0.179

Gram Book 1 – This cut is designed to be fast with good light return and shallow to help lighten up dark Pyrope material. It is a little shallower than “Quickie” for extra dark material, 1/2-6cts. Cut in refractive indexes 1.73 to 2.14 with no changes.


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.