Athena: Faceting Design Diagram

Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Athena".


Sunstone (Feldspar, Bytonite, Labradorite, Spectrolite, Orthoclase)

Athena Jeff Graham Facet Design

Athena Jeff Graham Facet Design

Athena (SUN34.JRG)
By Jeff R. Graham
Copyright 2006
86.1% Light Return
Angles for R.I. = 1.54
27 facets + 6 facets on girdle = 33
2-fold, mirror-image symmetry
96 index
L/W = 1.500 T/W = 1.232 T/L = 0.821 P/W = 0.450
C/W = 0.171 H/W = (P+C)/W+0.02 = 0.642 P/H = 0.702 C/H = 0.267 Vol./W^3 = 0.471



Addition # 11 - Cut this in refractive indexes 1.54 to 2.14 with no changes. This is very nice and designed for color, it is great in Aquamarine and Tourmaline. This is not hard to cut but can be a little tricky. Note: The C4 cuts to make C3 a pointed diamond. Expect to have to tweak the crown.

Athena 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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