24 Rose: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "24 Rose".0
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
24 Rose (DOME29.JRG)
By Jeff R. Graham
81.9% Light Return
Angles for R.I. = 1.62
129 facets + 24 facets on girdle = 153
12-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.299 T/L = 0.299 P/W = 0.405 C/W = 0.277
H/W = (P+C)/W+0.02 = 0.702 P/H = 0.577 C/H = 0.395
Vol./W^3 = 0.251
Addition # 13 - Cut in refractive indexes 1.62 to 2.14 with no changes. This is designed for pale to light saturated material and works well in about any color. I like it in pink Tourmaline. This is not hard to cut.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
Tourmaline Value, Price, and Jewelry Information
Mint Tourmalines: Gemstones for Our Times
Tourmaline Engagement Ring Stones: the Ultimate Guide
How Do Tourmalines Form?
Azurite Value, Price, and Jewelry Information
An Introduction to the Lapidary Arts
Crystalline Quartz Buying Guide
How Does Vapor Deposition Create Mystic Topaz and Aqua Aura Quartz?
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
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!