Faceting Design Diagram: Boxed Glitter – Tourmaline, Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite


Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite

Boxed Glitter Jeff Graham Facet Design

Boxed Glitter Jeff Graham Facet Design

Boxed Glitter (MC93.JRG)
By Jeff R. Graham
Copyright 2006
83.4% Light Return
Angles for R.I. = 1.62
153 facets + 20 facets on girdle = 173
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.527 T/L = 0.527 P/W = 0.544
C/W = 0.187 H/W = (P+C)/W+0.02 = 0.751 P/H = 0.724 C/H = 0.249
Vol./W^3 = 0.342

Addition # 12 – This is great for lightly saturated materials. Cut in refractive indexes 1.62 to 2.14 (87.9%) with no changes.

Boxed Glitter Jeff Graham Facet Design

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

About the author
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.
All articles by this author