Glider: Faceting Design Diagram
Successful tips, details, and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Glider"
Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)
Glider (MC83.JRG)
By Jeff R. Graham
Copyright 2002
81.3% Light Return
Angles for R.I. = 1.54
12 facets + 3 facets on girdle = 15
1-fold, mirror-image symmetry
96 index
L/W = 1.866 T/W = 0.913 T/L = 0.489
P/W = 0.431 C/W = 0.127
H/W = (P+C)/W+0.02 = 0.578
P/H = 0.746 C/H = 0.219
Vol./W^3 = 0.257
Addition # 7 - This cuts fast and easy. It is a good idea to nick the corners a little bit so they are not too sharp. Cut in refractive indexes 1.54 to 1.73 (81%) with no changes. The L/W can vary with no problems…
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
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!