Faceting Design Diagram: Gorgeous Glitter – Peridot

Peridot

Gorgeous Glitter (MC122.JRG)
By Jeff R. Graham
Copyright 2006
84.3% Light Return
Angles for R.I. = 1.67
115 facets + 9 facets on girdle = 124
3-fold, mirror-image symmetry
96 index
L/W = 1.077 T/W = 0.400 T/L = 0.372 P/W = 0.509
C/W = 0.233 H/W = (P+C)/W+0.02 = 0.762 P/H = 0.668 C/H = 0.305 Vol./W^3 = 0.327

PAVILION

CROWN

Addition # 12 - Cut in refractive indexes 1.67 to 2.14 with no changes This is great in Peridot and almost any light to medium colored material.

Detailed faceting instructions by Jeff Graham available at The Rock Peddler