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


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

“CC” Pounded Shield (MC27.JRG)
By Jeff R. Graham
Copyright 1998
82.1 % 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 = 0.405 C/W = 0.137
H/W = (P+C)/W+0.02 = 0.562
P/H = 0.720 C/H = 0.244
Vol./W^3 = 0.425

Addition # 4 – This is not easy, it takes experience, I designed it as a necklace stone and usually use trillions on the short ends. It can be cut in another order, it has a nice “V” shaped flash when rocked, any material 1cts+. NOTE: Omit P8 if cutting a small stone.


Random – Cosine – ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler