Mixed up Square : 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 "Mixed Up Square".

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Garnet (Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite)

Mixed up Square (GNETP15.JRG)
By Jeff R. Graham
Copyright 1994
81.3% Light Return
Angles for R.I. = 1.73
41 facets + 4 facets on girdle = 45
4-fold symmetry
96 index
L/W = 1.000 T/W = 0.400 T/L = 0.400
P/W = 0.432 C/W = 0.208
H/W = (P+C)/W+0.02 = 0.661
P/H = 0.654 C/H = 0.315
Vol./W^3 = 0.311

Gram Book 1 - This design cuts fast and is easy meet point even if it looks like it might be hard. It has a nice large random flash with an unusual look to it. Light to medium material, 1-12cts. This works in man-made Sapphire and Spinel...


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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