Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)

Glitter Drop Heart Jeff Graham Facet Design Glitter Drop Heart Jeff Graham Facet Design

Glitter Drop Heart (MC103.JRG)
By Jeff R. Graham
Copyright 2006
80.9% Light Return
Angles for R.I. = 1.62
112 facets + 13 facets on girdle = 125
1-fold, mirror-image symmetry
96 index
L/W = 1.078 T/W = 0.488 T/L = 0.453 P/W = 0.447
C/W = 0.207 H/W = (P+C)/W+0.02 = 0.674 P/H = 0.663 C/H = 0.307 Vol./W^3 = 0.244

PAVILION

CROWN

Addition # 12 – Cut in refractive indexes 1.62 to 2.14 with no changes. This is a variation of Glitter Drop and basically cuts the same way.

Glitter Drop Heart Jeff Graham Facet Design

Detailed faceting instructions by Jeff Graham available at The Rock Peddler