Jumble: Faceting Design Diagram

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


Topaz (Swiss, Electric, London Blue, Imperial, White, Yellow, Pink, Champange)

 Jeff Graham Facet Design

Jeff Graham Facet Design

Jumble (MIR61.JRG)
By Jeff R. Graham
Copyright 2005
92% Light Return
Angles for R.I. = 1.62
37 facets + 8 facets on girdle = 45
4-fold symmetry 96 index
L/W = 1.000 T/W = 0.374 T/L = 0.374 P/W = 0.405
C/W = 0.179 H/W = (P+C)/W+0.02 = 0.604 P/H = 0.670 C/H = 0.297 Vol./W^3 = 0.200



Addition # 10 - This is interesting to cut and to look at because of the unusual flash. This works well in refractive indexes 1.62 to 2.14 with no changes. Cut in light to medium colored rough.

Random - Cosine - ISO

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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