Flame of Texas: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Flame of Texas".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Flame of Texas (MIR31.JRG)
By Jeff R. Graham
Copyright 2004
92.8% Light Return
Angles for R.I. = 1.62
41 facets + 10 facets on girdle = 51
5-fold symmetry
80 index
L/W = 1.051 T/W = 0.307 T/L = 0.292
P/W = 0.414 C/W = 0.198
H/W = (P+C)/W+0.02 = 0.632
P/H = 0.655 C/H = 0.313
Vol./W^3 = 0.217
Addition # 9 - This is fun and works in about any material. I like a large stone because the star can easily be seen. Cut in refractive indexes 1.62 to 2.14 with no changes. Try this in some orange Citrine.
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 Gem, Price, and Jewelry Information
Mint Tourmalines: Gemstones for Our Times
Tourmaline Engagement Rings: the Ultimate Guide
How Do Tourmalines Form?
Latest Articles
Classic Engagement Ring Stones
Broken Bangle — The Blunder-Besmirched History of Jade Nomenclature: Book Review
Cuprite Value, Price, and Jewelry Information
Gemstone Radiation Treatment
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!