Drop Zone: 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 "Drop Zone".

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

By Jeff R. Graham

Garnet (Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite)

Drop Zone (MC48.JRG)
By Jeff R. Graham
Copyright 2002
83.4% Light Return
Angles for R.I. = 1.73
37 facets + 12 facets on girdle = 49
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.244 T/L = 0.244
P/W = 0.406 C/W = 0.215
H/W = (P+C)/W+0.02 = 0.641
P/H = 0.633 C/H = 0.336
Vol./W^3 = 0.230

Addition # 7 - The corners are made to float in so that this design can be cut in different sizes. Cut until it looks about right, the "X" can vary in size. This is great for Garnets.

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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