Mock Check Squares: Faceting Design Diagram

Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)

Mock Check Squares - Reflector (MC41.JRG)
By Jeff R. Graham
Copyright 1999
90.3% Light Return
Angles for R.I. = 1.54
17 facets + 4 facets on girdle = 21
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.807 T/L = 0.807
P/W = 0.466 C/W = 0.239
H/W = (P+C)/W+0.02 = 0.726
P/H = 0.643 C/H = 0.330
Vol./W^3 = 0.372

Addition # 4 - This cuts very easy, I like it in medium colors, it has a checker flash, believe it or not. I use it a lot for quick earrings in 4mm to 12mm sizes. Make the steps on the crown as even as you can. Works in Tourmaline and Topaz. Cut this in R.I. 1.54 to 1.93 (88.9%) without changes.

Random - Cosine - ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

Jeff R. Graham

The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs.

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