Faceting Design Diagram: Warp – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose


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

Warp (CHECK48.JRG)
By Jeff R. Graham
Copyright 2002
90.3% Light Return
Angles for R.I. = 1.54
105 facets + 4 facets on girdle = 109
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.515
T/L = 0.515 P/W = 0.609 C/W = 0.204
H/W = (P+C)/W+0.02 = 0.833
P/H = 0.731 C/H = 0.245
Vol./W^3 = 0.417

Addition # 8 – This is interesting to cut and designed for a large stone. It has an unusual reflection and is not too tough to cut, although the crown is a bit involved. Cut in Refractive Indexes 1.54 to 2.14 with no changes.


Random – Cosine – ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

About the author
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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