Straight Pedals: 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 "Straight Pedals".

Home Learning Center Jewelry and Lapidary Gemstone Faceting Diagrams and Technical Cutting InformationStraight Pedals: Faceting Design Diagram

By Jeff R. Graham

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

Straight Pedals (QTZ67.JRG)
By Jeff R. Graham
Copyright 1998
76% Light Return
Angles for R.I. = 1.54
55 facets + 6 facets on girdle = 61
6-fold, mirror-image symmetry
96 index
L/W = 1.155 T/W = 0.566 T/L = 0.490
P/W = 0.501 C/W = 0.243
H/W = (P+C)/W+0.02 = 0.764
P/H = 0.655 C/H = 0.319
Vol./W^3 = 0.306

Addition # 3 - This is straight forward to cut. I like to leave the P3 facets frosted for a nice different look. Any good material, 1/2-12cts. Cut in refractive indexes 1.54 to 2.14 (88.1%) with no 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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Straight Pedals: Faceting Design Diagram

Jeff R. Graham

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