Nimble Pin: Faceting Design Diagram
Tips, details, and a guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Nimble Pin".
Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)
Nimble Pin (BEAD1.JRG)
By Jeff R. Graham
Copyright 2006
Reflector Bead
Angles for R.I. = 1.54
56 facets + 16 facets on girdle = 72
4-fold, mirror-image symmetry
96 index
L/W = 1.000
P/W = 0.327 C/W = 0.327
H/W = (P+C)/W+0.02 = 0.674
P/H = 0.485 C/H = 0.485
Vol./W^3 = 0.225
PAVILION
CROWN
Addition # 14 - This cuts fast and is fairly straight forward. Center the bead hole through C3 and P4 from point to point. This is designed to be cut in any semi-transparent to transparent material. I like it in Citrine and crystal quartz.
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
Ametrine Value, Price, and Jewelry Information
Amethyst Value, Price, and Jewelry Information
Rose Quartz Value, Price, and Jewelry Information
Citrine 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!