“CC” Pounded Shield: Faceting Design Diagram
Detailed information and guide for Faceting Design Diagrams. This facet design is called a " "CC" Pounded Shield". This is not easy, it takes experience.
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
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.
Related Articles
Tourmaline Value, Price, and Jewelry Information
Mint Tourmalines: Gemstones for Our Times
Tourmaline Engagement Ring Stones: the Ultimate Guide
How Do Tourmalines Form?
Latest Articles
Precision Faceting a Story Gemstone: Choosing Rough
32 Green Gemstones (How Many Do You Know?)
A Guide to Antique Georgian Jewelry
Hambergite Value, Price, and Jewelry Information
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!