Glitter Squared: 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 "Glitter Squared".0
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Glitter Squared (MC87.JRG)
By Jeff R. Graham
88.9% Light Return
Angles for R.I. = 1.62
129 facets + 8 facets on girdle = 137
4-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.492 T/L = 0.492 P/W = 0.521
C/W = 0.193 H/W = (P+C)/W+0.02 = 0.734 P/H = 0.710 C/H = 0.263 Vol./W^3 = 0.332
Addition # 12 - The corners of this design float. Cut the P3(G) facet to divide the P1 (81,87 at P5) in equal parts. Cut in refractive indexes 1.62 to 2.14 (89.9%) with no changes.
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?
How Does Vapor Deposition Create Mystic Topaz and Aqua Aura Quartz?
Spurrite Value, Price, and Jewelry Information
Lapidary Technology Through the Ages: Laps and Polish
Why are Topaz and Citrine Gemstones Misidentified?
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!