Garnet (Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite)

Quickie 3 (GNETP26.JRG)
by Jeff R. Graham
Copyright 1995
90.3% Light Return
Angles for R.I. = 1.73
29 facets + 8 facets on girdle = 37
4-fold symmetry
96 index
L/W = 1.000 T/W = 0.562 T/L = 0.562
P/W = 0.387 C/W = 0.159
H/W = (P+C)/W+0.02 = 0.566
P/H = 0.684 C/H = 0.281
Vol./W^3 = 0.203

Gram Book 1 - Here is another fast easy design for garnet. Notice the depth of the stone is shallow to help lighten darker materials, 1/2-4cts. This works in man-made Sapphire and Spinel.

 

 

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