Cross: 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 "Cross".

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

By Jeff R. Graham

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

Cross (QTZ50.JRG)
By Jeff R. Graham
Copyright 1996
70.6% Light Return
Angles for R.I. = 1.54
47 facets + 8 facets on girdle = 55
2-fold, mirror-image symmetry
96 index
L/W = 1.330 T/W = 0.544 T/L = 0.409
P/W = 0.511 C/W = 0.248
H/W = (P+C)/W+0.02 = 0.779
P/H = 0.656 C/H = 0.319
Vol./W^3 = 0.428

Addition # 1 - A preform is a must L/W 1.33. The cutting order on the pavilion can be changed. This design cuts fairly easy (with a preform). The P6 facets can be varied. This is a fairly deep design and will help darken light colors…

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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Photo courtesy of <a href=https://www.gemsociety.org/article/cross-faceting-design-diagram/"https://www.liveauctioneers.com/">liveauctioneers.com and <a href=https://www.gemsociety.org/article/cross-faceting-design-diagram/"https://www.liveauctioneers.com/auctioneer/1081/eros-auctions-inc/">Eros Auctions, Inc</a>." src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" decoding="async" data-nimg="responsive" style="position:absolute;top:0;left:0;bottom:0;right:0;box-sizing:border-box;padding:0;border:none;margin:auto;display:block;width:0;height:0;min-width:100%;max-width:100%;min-height:100%;max-height:100%;object-fit:cover;object-position:50% 50%"/>

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Cross: Faceting Design Diagram

Jeff R. Graham

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