Sunstone (Feldspar, Bytonite, Labradorite, Spectrolite, Orthoclase)
Micro (SUN7.JRG)
By Jeff R. Graham
Copyright 2006
86.3% Light Return
Angles for R.I. = 1.54
49 facets + 16 facets on girdle = 65
8-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.757 T/L = 0.757 P/W = 0.457
C/W = 0.118 H/W = (P+C)/W+0.02 = 0.595 P/H = 0.768 C/H = 0.198 Vol./W^3 = 0.212
PAVILION
CROWN
Addition # 11 – I know… it looks too simple. Try it. This design is very bright and looks like the face of a flashlight when cut. This is made to be bright, show color and use shallow rough. It works well in colored material and is okay in very light shiller.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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