Borderland: 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 "Borderland".
Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)
Borderland (MIR64.JRG)
By Jeff R. Graham
Copyright 2005
88.6% Light Return
Angles for R.I. = 1.54
26 facets + 5 facets on girdle = 31
5-fold, mirror-image symmetry
80 index
L/W = 1.051 T/W = 0.213 T/L = 0.203 P/W = 0.389
C/W = 0.238 H/W = (P+C)/W+0.02 = 0.646 P/H = 0.601 C/H = 0.368 Vol./W^3 = 0.200
PAVILION
CROWN
Addition # 10 - Cut in refractive indexes 1.54 to 2.14 with no changes. This works best in a large stone and is a classic example of less is more. Give it a try in light to medium saturated material. Note: By varying C2 the star effect can be adjusted, there is no meet. On a small stone the table can be left off.
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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