Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Pounded Shield (MC21.JRG) 
By Jeff R. Graham
Copyright 1999
84% Light Return
Angles for R.I. = 1.62
18 facets + 5 facets on girdle = 23
1-fold, mirror-image symmetry
96 index
L/W = 2.000 T/W = 1.667 T/L = 0.834
P/W = 0.430 C/W = 0.137
H/W = (P+C)/W+0.02 = 0.587
P/H = 0.732 C/H = 0.234
Vol./W^3 = 0.458
Addition # 4 – This is easier than the cut corner version, and works better in a smaller stone. It is designed to be used as a necklace stone. It can be cut in another order, I like it in pink Tourmaline, 1ct and up…
Random – Cosine – ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
IGS Become Member