Deeply Aqua: Faceting Design Diagram

Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Deeply Aqua"

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

By Jeff R. Graham

Topaz (Swiss, Electric, London Blue, Imperial, White, Yellow, Pink, Champange)

Deeply Aqua (TOPAZ7.JRG)
By Jeff R. Graham
Copyright 1993
82.6% light return
Angles for R.I. = 1.62
81 facets + 12 facets on girdle = 93
2-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.503 T/L = 0.503
P/W = 0.556 C/W = 0.253
H/W = (P+C)/W+0.02 = 0.829
P/H = 0.671 C/H = 0.305
Vol./W^3 = 0.362

Addition # 3 - This design should be cut as a preform to save waste, but it could be cut to center point. I designed this stone for some very light topaz I bought. It is made to be deep to help the color, 1-12cts. Cut in refractive indexes 1.62 to 1.93 (83.7%) 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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