Oops a Daisy: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Oops a Daisy".
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Oops a Daisy (DOME20.JRG)
By Jeff R. Graham
Copyright 2007
88% Light Return
Angles for R.I. = 1.62
85 facets + 6 facets on girdle = 91
6-fold, mirror-image symmetry
96 index
L/W = 1.155 T/W = 0.249 T/L = 0.216 P/W = 0.419 C/W = 0.318
H/W = (P+C)/W+0.02 = 0.758 P/H = 0.553 C/H = 0.420
Vol./W^3 = 0.296
PAVILION
CROWN
Addition # 13 - Cut in refractive indexes 1.62 to 2.14 with no changes. This is fun and pretty fast to cut. It is a good design for light to medium saturated rough and I like it in Tourmaline, but it works well in about any material.
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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