Faceting Design Diagram: Hexed Glitter – Peridot


Peridot

Hexed Glitter Jeff Graham Facet Design Hexed Glitter Jeff Graham Facet Design

Hexed Glitter (MC126.JRG)
By Jeff R. Graham
Copyright 2006
75.9% Light Return
Angles for R.I. = 1.67
121 facets + 6 facets on girdle = 127
12-fold, mirror-image symmetry
96 index
L/W = 1.155 T/W = 0.336 T/L = 0.291 P/W = 0.594
C/W = 0.215 H/W = (P+C)/W+0.02 = 0.829 P/H = 0.716 C/H = 0.259 Vol./W^3 = 0.367

Addition # 12 – Cut in refractive indexes 1.67 to 2.14 with no changes. This is designed for Peridot, and lightly saturated materials. It has a lot of sparkle and is not difficult to cut.

Hexed Glitter Jeff Graham Facet Design

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.