Liner: Faceting Design Diagram

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

By Jeff R. Graham

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

Liner (B3.JRG)
By Jeff R. Graham
Copyright 2001
88.8% Light Return
Angles for R.I. = 1.62
41 facets + 8 facets on girdle = 49
2-fold, mirror-image symmetry
96 index
L/W = 1.330 T/W = 0.961 T/L = 0.722
P/W = 0.572 C/W = 0.160
H/W = (P+C)/W+0.02 = 0.752
P/H = 0.760 C/H = 0.213
Vol./W^3 = 0.402

Addition # 5 - This is a "Money Cut"… It's fast to cut with a low number of facets and high performance. This can be cut in R.I. 1.62 to 1.93 with no changes.

Random - Cosine - ISO

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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