Striped “X”: Faceting Design Diagram
Detailed information and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Striped "X" ".
Apatite (Yellow, Green, Neon, Blue)
Striped "X" (APAT4.JRG)
By Jeff R. Graham
Copyright 1998
88% Light Return
Angles for R.I. = 1.64
85 facets + 12 facets on girdle = 97
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.591 T/L = 0.591
P/W = 0.439 C/W = 0.186
H/W = (P+C)/W+0.02 = 0.645
P/H = 0.680 C/H = 0.289
Vol./W^3 = 0.279
Addition # 2 - This works well in Peridot, Garnet, Sapphire, and Spinel. Cut it in a larger stone, I like peridot. The steps can change a little without much trouble, 1-24cts. Cut in refractive indexes 1.64 to 1.93 (88.7%) 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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