Glitter Squared #2: Faceting Design Diagram

Helpful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Glitter Squared #2".


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

Glitter Squared2 Jeff Graham Facet DesignGlitter Squared2 Jeff Graham Facet Design

Glitter Squared #2 (MC106.JRG)
By Jeff R. Graham
Copyright 2006
90% Light Return
Angles for R.I. = 1.62
121 facets + 4 facets on girdle = 125
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.418 T/L = 0.418 P/W = 0.620
C/W = 0.231 H/W = (P+C)/W+0.02 = 0.871 P/H = 0.712 C/H = 0.265 Vol./W^3 = 0.443



Addition # 12 - Cut in refractive indexes 1.62 to 2.14 with no changes. This is designed to be a large stone and it works well in light to medium saturations. This is not hard to cut, but does takes some experience.

Glitter Squared2 Jeff Graham Facet Design

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

Jeff R. Graham

The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs.

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