Faceting Design Diagram: Flower “T” – Garnet – Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite

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

Flower “T” (GNETR6.JRG)
By Jeff R. Graham
Copyright 1998
80% Light Return
Angles for R.I. = 1.73
58 facets + 6 facets on girdle = 64
3-fold, mirror-image symmetry
96 index
L/W = 1.073 T/W = 0.523 T/L = 0.487
P/W = 0.455 C/W = 0.255
H/W = (P+C)/W+0.02 = 0.730
P/H = 0.624 C/H = 0.349
Vol./W^3 = 0.257

Addition # 3 – This is a little hard to cut because of all of the tiers that do not have meets, plan on cutting a couple of times to get things right. It is such an unusual and pretty cut in about anything, 2-12cts. Works in man- made YAG, 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.