China Check - Reflector: 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 "China Check"0
China Check - Reflector (MC6.JRG)
By Jeff R. Graham
82.6% Light Return
Angles for R.I. = 1.54
25 facets + 4 facets on girdle = 29
4-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.442 T/L = 0.442
P/W = 0.435 C/W = 0.169
H/W = (P+C)/W+0.02 = 0.624
P/H = 0.696 C/H = 0.271
Vol./W^3 = 0.285
Addition # 4 - This is fun to cut, there are no meets on the top at C3. Cut them as square as you can. This design has a lot of sparkle, you will be surprised. Cut in about any color and size. This works well in Tourmaline and Topaz. Cut this in R.I. 1.54 to 2.14 (92.5%) without changes.
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
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!