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


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

Spinner Jeff Graham Facet Design

Spinner (BEAD5.JRG)
By Jeff R. Graham
Copyright 2007
Angles for R.I. = 1.54
56 facets + 8 facets on girdle = 64
4-fold, mirror-image symmetry
96 index
L/W = 1.000
P/W = 0.349 C/W = 0.349
H/W = (P+C)/W+0.02 = 0.718
P/H = 0.486 C/H = 0.486
Vol./W^3 = 0.255

Addition # 14 – This is designed for facet grade gemstone, but will work in about any material. It makes a very pretty bead cut in most any quartz.

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.