Glitter Roval: 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 Roval".


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

Glitter Roval Jeff Graham Facet Design

Glitter Roval Jeff Graham Facet Design


Glitter Roval (MC97.JRG)
By Jeff R. Graham
Copyright 2006
90% Light Return
Angles for R.I. = 1.62
121 facets + 10 facets on girdle = 131
2-fold, mirror-image symmetry
96 index
L/W = 1.414 T/W = 0.475 T/L = 0.336 P/W = 0.598
C/W = 0.281 H/W = (P+C)/W+0.02 = 0.898 P/H = 0.665 C/H = 0.313 Vol./W^3 = 0.529



Addition # 12 - Cut in refractive indexes 1.62 to 2.14 with no changes. This is very nice and cuts well in about any light to mediumly saturated material. This is not a good design for a beginner. It works best in a large stone.

Glitter Roval_jeff_graham_facet_design3

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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