Sun Flash: 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 "Sun Flash".

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

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

Sun Flash Jeff Graham Facet Design

Sun Flash Jeff Graham Facet Design

Sun Flash (SUN41.JRG)
By Jeff R. Graham
Copyright 2006
83.9% Light Return
Angles for R.I. = 1.54
11 facets + 4 facets on girdle = 15
2-fold symmetry
96 index
L/W = 3.000 T/W = 2.833 T/L = 0.944 P/W = 0.450
C/W = 0.206 H/W = (P+C)/W+0.02 = 0.676 P/H = 0.665 C/H = 0.305 Vol./W^3 = 1.271

PAVILION

CROWN

Addition # 11 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is designed for color/shiller and as the name implies, it's basically for flash. Orientate the flash so it shows in the table. L/W is not critical.

Sun Flash 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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