Faceting Design Diagram: Drop Zone – Garnet – Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite


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

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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