Cross: 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 "Cross".0
By Jeff R. Graham
70.6% Light Return
Angles for R.I. = 1.54
47 facets + 8 facets on girdle = 55
2-fold, mirror-image symmetry
L/W = 1.330 T/W = 0.544 T/L = 0.409
P/W = 0.511 C/W = 0.248
H/W = (P+C)/W+0.02 = 0.779
P/H = 0.656 C/H = 0.319
Vol./W^3 = 0.428
Addition # 1 - A preform is a must L/W 1.33. The cutting order on the pavilion can be changed. This design cuts fairly easy (with a preform). The P6 facets can be varied. This is a fairly deep design and will help darken light colors...
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
An Introduction to the Lapidary Arts
Crystalline Quartz Buying Guide
How Does Vapor Deposition Create Mystic Topaz and Aqua Aura Quartz?
Spurrite Value, Price, and Jewelry Information
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!