Phenomenon: Faceting Design Diagram
Successful tips,details and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Phenomenon"0
By Jeff R. Graham
92.4% Light Return
Angles for R.I. = 1.54
20 facets + 4 facets on girdle = 24
4-fold, mirror-image symmetry
L/W = 1.000 P/W = 0.435 C/W = 0.234
H/W = (P+C)/W+0.02 = 0.688
P/H = 0.631 C/H = 0.339
Vol./W^3 = 0.270
Addition # 9 - Looks simple? It is and the finished stone is really nice. This is designed for Amethyst, Citrine, and Beryl, in particular, but works well in about any material. Cut in refractive indexes 1.54 to 1.93 with no changes. This is what Mirage Designs are all about, lots of reflections and simple facets.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
Rose Quartz Value, Price, and Jewelry Information
Ametrine Value, Price, and Jewelry Information
Amethyst Value, Price, and Jewelry Information
Citrine Value, Price, and Jewelry Information
Crystalline Quartz Buying Guide
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
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!