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


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

Jeff Graham Facet Design

Jeff Graham Facet Design

Klinks Tin (MIR44.JRG)
By Jeff R. Graham
Copyright 2005
90.6% Light Return
Angles for R.I. = 1.54
25 facets + 4 facets on girdle = 29
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.143 T/L = 0.143 P/W = 0.435
C/W = 0.259 H/W = (P+C)/W+0.02 = 0.713 P/H = 0.609 C/H = 0.363 Vol./W^3 = 0.282

PAVILION

CROWN

 

Addition # 10 – Cut in refractive indexes 1.54 to 1.76 with no changes. This is great for light to medium saturated materials and I use it a lot in Amethyst. On small stones the table can be left off and C4 cut at 9 degrees.

 


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.