Glitter Squared: Faceting Design Diagram


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

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By Jeff R. Graham, updated on

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

Glitter Squared Jeff Graham Facet DesignGlitter Squared Jeff Graham Facet Design

Glitter Squared (MC87.JRG)
By Jeff R. Graham
Copyright 2003
88.9% Light Return
Angles for R.I. = 1.62
129 facets + 8 facets on girdle = 137
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.492 T/L = 0.492 P/W = 0.521
C/W = 0.193 H/W = (P+C)/W+0.02 = 0.734 P/H = 0.710 C/H = 0.263 Vol./W^3 = 0.332

PAVILION

CROWN

Addition # 12 - The corners of this design float. Cut the P3(G) facet to divide the P1 (81,87 at P5) in equal parts. Cut in refractive indexes 1.62 to 2.14 (89.9%) with no changes.

Glitter Squared 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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