Sunstone (Feldspar, Bytonite, Laboradorite, 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

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.

 

 

 

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