Peridot (Olivine, Green, apple green to yellow green)

Green Cross-Point (PDOT3.JRG)
By Jeff R. Graham
Copyright 1994
77.5% Light Return
Angles for R.I. = 1.67
37 facets + 4 facets on girdle = 41
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.541 T/L = 0.541
P/W = 0.438 C/W = 0.207
H/W = (P+C)/W+0.02 = 0.665
P/H = 0.659 C/H = 0.311
Vol./W^3 = 0.297

Addition # 3 - A simple square cut with a lot of flash, this design cuts fast and is easy. A nice stone for about anything you want to do with it. Light to medium material, 1/2-4cts. Cut in refractive indexes 1.67 to 1.76 with no changes.

 

 

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