Rattle: 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 "Rattle".

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

By Jeff R. Graham

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

Rattle (DOME30.JRG)
By Jeff R. Graham
Copyright 2007
87.8% Light Return
Angles for R.I. = 1.62
145 facets + 12 facets on girdle = 157
12-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.266 T/L = 0.266 P/W = 0.405 C/W = 0.336
H/W = (P+C)/W+0.02 = 0.761 P/H = 0.532 C/H = 0.442
Vol./W^3 = 0.270

PAVILION

CROWN

Addition # 13 - Cut in refractive indexes 1.62 to 2.14 with no changes. This is designed for pale to lightly saturated material and is ideal for nodules.

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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