Faceting Design Diagram: Pounded Shield – Tourmaline – Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite


Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)

Pounded Shield (MC21.JRG) 5.23 carat Tourmaline
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

About the author
Jeff R. Graham
The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs.
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