Faceting Design Diagram: Glitter Drop Heart – Tourmaline, Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite


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

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

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.