Faceting Design Diagram: Long John Pod – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose


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

Long John Pod (CHECK10.JRG)2.82 carat Amethyst
By Jeff R. Graham
Copyright 2001
86.5% Light Return
Angles for R.I. = 1.54
28 facets + 6 facets on girdle = 34
2-fold, mirror-image symmetry
96 index
L/W = 1.550 P/W = 0.450 C/W = 0.281
H/W = (P+C)/W+0.02 = 0.751
P/H = 0.599 C/H = 0.375
Vol./W^3 = 0.517

Addition # 6 – This is fun and fast… It is similar to the “Pod” but I wanted longer design for a particular piece of rough that I wanted to cut.


Random – Cosine – ISO

 

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

Gram Faceting Archive of Information
This edited version of an article by the late Jeff Graham is part of a special archived informational series from Gram Faceting. Used with permission.