Glitter Mine #3: Faceting Design Diagram

Peridot

Glitter Mine #3 (MC95.JRG)
By Jeff R. Graham
Copyright 2006
78% Light Return
Angles for R.I. = 1.67
105 facets + 8 facets on girdle = 113
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.395 T/L = 0.395 P/W = 0.513
C/W = 0.262 H/W = (P+C)/W+0.02 = 0.795 P/H = 0.645 C/H = 0.330 Vol./W^3 = 0.316

PAVILION

CROWN

Addition # 12 - Cut in refractive indexes 1.67 to 2.14 with no changes. This works well in light to medium saturations and is very nice in light colored Zircons.

Detailed faceting instructions by Jeff Graham available at The Rock Peddler