Faceting Design Diagram: Cherry Blossom – Tourmaline – Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite

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

Cherry Blossom (MC75.JRG)
By Jeff R. Graham
Copyright 2002
88.3% Light Return
Angles for R.I. = 1.62
53 facets + 12 facets on girdle = 65
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.414 T/L = 0.414
P/W = 0.408 C/W = 0.229
H/W = (P+C)/W+0.02 = 0.657
P/H = 0.621 C/H = 0.349
Vol./W^3 = 0.227

Addition # 7 – This is straight forward to cut and has a very nice look. I like the petal like crown. This makes very pretty earrings. Cut it in refractive indexes 1.62 to 2.14 with no changes.


Random – Cosine – ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

Gram Faceting Archive of Information
This edited version of an article by the late Jeff Graham is part of a special archived informational series from Gram Faceting. Used with permission.