Sun Rays: 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 Rays".

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

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

Sun Rays Jeff Graham Facet Design

Sun Rays Jeff Graham Facet Design

Sun Rays (SUN36.JRG)
By Jeff R. Graham
Copyright 2006
87.2% Light Return
Angles for R.I. = 1.54
22 facets + 10 facets on girdle = 32
2-fold, mirror-image symmetry
96 index
L/W = 2.000 P/W = 0.450 C/W = 0.196
H/W = (P+C)/W+0.02 = 0.667 P/H = 0.675 C/H = 0.295 Vol./W^3 = 0.543

PAVILION

CROWN

Addition # 11 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is for very shallow material. It will work well in about any material. Note: P3(G), P4(G) are equal in size. The crown may take a little tweaking to make center point.

Sun Rays 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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