Split Flash: 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 "Split Flash".
Split Flash (SUN27.JRG)
By Jeff R. Graham
90.6% Light Return
Angles for R.I. = 1.54
11 facets + 4 facets on girdle = 15
L/W = 3.000 T/W = 2.009 T/L = 0.670 P/W = 0.450
C/W = 0.133 H/W = (P+C)/W+0.02 = 0.604 P/H = 0.746 C/H = 0.221 Vol./W^3 = 1.051
Addition # 11 - Cut this in refractive indexes 1.54 to 2.14 with no changes. This is designed for color and light shiller. The pavilion will reflect any color and shiller well. Sunstone seems to occur in long shallow layers and this is for that type of rough. The L/W is not critical.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
Bytownite Value, Price, and Jewelry Information
Orthoclase Value, Price, and Jewelry Information
Feldspar Value, Price, and Jewelry Information
Labradorite Value, Price, and Jewelry Information
What is the Best Lap for Polishing Sapphire?
Seven Famous Pearls and Their Histories
Opal Stones and Gems: Value, Price, and Jewelry Information
Seven Stunning but Delicate Engagement Ring Stones
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!