Faceting Design Diagram: Whoa – Feldspar – Bytonite, Labradorite, Spectrolite, Orthoclase


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

Whoa Jeff Graham Facet Design

Whoa Jeff Graham Facet Design

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

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.

Whoa Jeff Graham Facet Design

Detailed faceting instructions by Jeff Graham available at The Rock Peddler