Battle Mountain: Faceting Design Diagram

Information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Battle Mountain".


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

Battle Mountain Jeff Graham Facet Design

Battle Mountain Jeff Graham Facet Design

Battle Mountain (SUN39.JRG)
By Jeff R. Graham
Copyright 2006
80.6% Light Return
Angles for R.I. = 1.54
29 facets + 8 facets on girdle = 37
2-fold, mirror-image symmetry
96 index
L/W = 3.000 T/W = 1.216 T/L = 0.405 P/W = 0.450
C/W = 0.244 H/W = (P+C)/W+0.02 = 0.714 P/H = 0.630 C/H = 0.342 Vol./W^3 = 1.026



Addition # 11 - Cut in refractive indexes 1.54 to 2.14 with no changes. This is designed for long sliver shaped rough and is good for light to medium color. It will work on light shiller.

Battle Mountain 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.

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