Passion: Faceting Design Diagram

Tips, details and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Passion- Tourmaline".

Home Learning Center Jewelry and Lapidary Gemstone Faceting Diagrams and Technical Cutting InformationPassion: Faceting Design Diagram

By Jeff R. Graham

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

Passion (DOME39.JRG)
By Jeff R. Graham
Copyright 2007
86.7% Light Return
Angles for R.I. = 1.62
56 facets + 10 facets on girdle = 66
5-fold, mirror-image symmetry
80 index
L/W = 1.051 T/W = 0.172 T/L = 0.164 P/W = 0.405 C/W = 0.305
H/W = (P+C)/W+0.02 = 0.730 P/H = 0.554 C/H = 0.418
Vol./W^3 = 0.246

PAVILION

CROWN

Addition # 13 - Cut in refractive indexes 1.62 to 2.14 with no changes. This is a bit different and cuts a very pretty stone. It works well in light to medium saturated material and I like it in pink Tourmaline.

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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