Home Rough Equipment Books Online Designs Just Ask Jeff Order News List Contact Me Links
Amethyst Aquamarine Beryl Citrine Emerald Garnet Opal Peridot Sapphire Scapolite Spinel Sunstone Synthetics Topaz Tourmaline Quartz Zircon

Bargains Beginner's Page Eclectic New Stuff Odds & Ends Parcels Specials
Cut Gemstones Cutting Information Pricing Guides Buying Gemstones


Beryl (Aquamarine, Emerald, Helidore, Bixbite, Goshenite, Morganite, Golden Beryl)

1st Aqua (AQUA2.JRG)
By Jeff R. Graham
Copyright 1993
81.3% Light Return
Angles for R.I. = 1.56
41 facets + 8 facets on girdle = 49
8-fold symmetry
96 index
L/W = 1.000 T/W = 0.446 T/L = 0.446
P/W = 0.445 C/W = 0.234
H/W = (P+C)/W+0.02 = 0.700
P/H = 0.636 C/H = 0.335
Vol./W^3 = 0.260

Gram Book 1 - This is the first aqua I did, it is a simple stone and cuts fast. The P3 facets cut very fast! The Pavilion gives this stone a very nice circular flash, 1/2-6cts. Cut in refractive index 1.56 to 1.93 (84.3%) with no changes.

 

 


Random - Cosine - ISO

Return to OnLine Design Index

Home Rough Equipment Books Online Designs Just Ask Jeff Order News List Contact Me Links


Copyright 1998-2009 Gram Faceting - All Rights Reserved.