Faceting Design Diagram: Tut’s Glitter – Peridot
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Tut's Glitter".
Tut's Glitter (MC124.JRG)
By Jeff R. Graham
Copyright 2006
70.2% Light Return
Angles for R.I. = 1.67
94 facets + 6 facets on girdle = 100
3-fold, mirror-image symmetry
96 index
L/W = 1.155 T/W = 0.287 T/L = 0.248 P/W = 0.517
C/W = 0.291 H/W = (P+C)/W+0.02 = 0.828 P/H = 0.625 C/H = 0.351 Vol./W^3 = 0.320
PAVILION
CROWN
Addition # 12 - Cut in refractive indexes 1.67 to 2.14 with no changes. This is very nice and works best in light saturations. It is designed for Peridot, but works well in light Garnets, Sapphires, and Zircons.
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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