Faceting Design Diagram: Hope’s Square – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose


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

Hope’s Square (QTZ39.JRG)
By Jeff R. Graham
Copyright 1994
75% Light Return
Angles for R.I. = 1.54
53 facets + 12 facets on girdle = 65
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.505 T/L = 0.505
P/W = 0.460 C/W = 0.226
H/W = (P+C)/W+0.02 = 0.706
P/H = 0.651 C/H = 0.320
Vol./W^3 = 0.279

Addition # 1 – This design is a little harder to cut than it looks, so watch the meets. It has nice flash and is not that hard to cut (for a modified square). Cut in refractive indexes 1.54 to 1.93 (85%) with no changes. It makes a nice stone in light to medium material, 1-6cts.


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.