Raja’s 1st: Faceting Design Diagram
Helpful tips, details and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Raja's 1st"
Garnet (Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite)
Raja's 1st (MC18.JRG)
by Jeff R. Graham
Copyright 1998
90.4% Light Return
Angles for R.I. = 1.74
37 facets + 4 facets on girdle = 41
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.494 T/L = 0.494
P/W = 0.419 C/W = 0.136
H/W = (P+C)/W+0.02 = 0.574
P/H = 0.729 C/H = 0.236
Vol./W^3 = 0.247
Addition # 4 - This cuts easy, the crown can be cut lower for darker material, 1/4 - 2cts. This was designed for a friend of mine in Africa that needed a square cut for green Garnet. Cut in any Garnet or Sapphire, including man-made.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
