Omit: Faceting Design Diagram

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

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HomeLearning CenterJewelry and LapidaryGemstone Faceting Diagrams and Technical Cutting InformationOmit: Faceting Design Diagram
By Jeff R. Graham

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

Omit Jeff Graham Face Design

Omit Jeff Graham Face Design

Omit (SUN2.JRG)
By Jeff R. Graham
Copyright 2006
84.8% Light Return
Angles for R.I. = 1.54
29 facets + 8 facets on girdle = 37
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.621 T/L = 0.621 P/W = 0.466
C/W = 0.222 H/W = (P+C)/W+0.02 = 0.708 P/H = 0.658 C/H = 0.313 Vol./W^3 = 0.291

PAVILION

CROWN

 

Addition # 11 - This works in refractive indexes 1.54 to 2.14 with no changes. This is designed for watermelon or multi-colored material. Note: The pavilion is a reflector which will help keep colors from mixing.

Omit Jeff Graham Face 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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