Britt’s Antique: 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 "Britt's Antique"

Home Learning Center Jewelry and Lapidary Gemstone Faceting Diagrams and Technical Cutting InformationBritt’s Antique: Faceting Design Diagram

By Jeff R. Graham

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

Britt's Antique (CHECK47.JRG)
By Jeff R. Graham
Copyright 2003
86.8% Light Return
Angles for R.I. = 1.54
59 facets + 8 facets on girdle = 67
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.427
T/L = 0.427 P/W = 0.474 C/W = 0.177
H/W = (P+C)/W+0.02 = 0.671
P/H = 0.707 C/H = 0.264
Vol./W^3 = 0.238

Addition # 8 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is nice and fairly fast to cut. It works well in light to medium saturated material. This is great in light colored Garnets like Mali.

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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Britt’s Antique: Faceting Design Diagram

Jeff R. Graham

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