Tilt: Faceting Design Diagram

Successful tips, details and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Tilt".


Sunstone (Feldspar, Bytonite, Labradorite, Spectrolite, Orthoclase)

Tilt Jeff Graham Facet Design

Tilt Jeff Graham Facet Design

Tilt (SUN16.JRG)
By Jeff R. Graham
Copyright 2006 84.7%
Light Return Angles for R.I. = 1.54
25 facets + 4 facets on girdle = 29
2-fold, mirror-image symmetry
96 index
L/W = 2.014 T/W = 0.368 T/L = 0.183 P/W = 0.467
C/W = 0.190 H/W = (P+C)/W+0.02 = 0.677 P/H = 0.690 C/H = 0.280 Vol./W^3 = 0.779



Addition # 11 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is for those long layers of Sunstone that are dichroiac, different colors on different axis's. I made this design so the color could be split down the keel length-wise and as the stone rocks the colors will change. The L/W on this design is not critical, 2.0 to 3.0 works well. This also works for single color material.

Tilt Jeff Graham Facet Design

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

Jeff R. Graham

The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs.

Never Stop Learning

When you join the IGS community, you get trusted diamond & gemstone information when you need it.

Become a Member

Get Gemology Insights

Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!