Faceting Design Diagram: Quiller – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose

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

Quiller Jeff Graham Facet Design

Quiller (BEAD2.JRG)
By Jeff R. Graham
Copyright 2006
Reflector Bead
Angles for R.I. = 1.54
40 facets + 16 facets on girdle = 56
4-fold, mirror-image symmetry
96 index
L/W = 1.000
P/W = 0.294 C/W = 0.294
H/W = (P+C)/W+0.02 = 0.609
P/H = 0.484 C/H = 0.484
Vol./W^3 = 0.219

Addition # 14 – This is simple and gives a kind of shimmering effect, particularly when cut in pale to colorless material. The four apex facets should be adjusted to properly fit the drill hole.

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.