Sun Glitter: Faceting Design Diagram

Peridot

Sun Glitter (MC117.JRG)
By Jeff R. Graham
Copyright 2006
73.7% Light Return
Angles for R.I. = 1.67
157 facets + 16 facets on girdle = 173
2-fold, mirror-image symmetry
96 index
L/W = 1.268 T/W = 0.432 T/L = 0.341 P/W = 0.643
C/W = 0.315 H/W = (P+C)/W+0.02 = 0.978 P/H = 0.658 C/H = 0.322 Vol./W^3 = 0.504

PAVILION

CROWN

Addition # 12 - Cut in refractive indexes 1.67 to 2.14 with no changes. This is for lightly saturated materials and cuts a bit like "Lion's Eye", although little more complicated. Cut this in a large stone.

Detailed faceting instructions by Jeff Graham available at The Rock Peddler