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
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