Whoa: Faceting Design Diagram

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

Whoa (SUN17.JRG)
By Jeff R. Graham
Copyright 2006
82.7% Light Return
Angles for R.I. = 1.54
24 facets + 8 facets on girdle = 32
2-fold, mirror-image symmetry
96 index
L/W = 2.000 P/W = 0.484 C/W = 0.170
H/W = (P+C)/W+0.02 = 0.674 P/H = 0.718 C/H = 0.252
Vol./W^3 = 0.696

PAVILION

CROWN

Addition # 11 - Cut in refractive indexes 1.54 to 2.14 with no changes. This works well in about any material. Try it in a long skinny watermelon. Put the color in the center and leave some gold on the ends.

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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