Home Rough Bargains 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 Topaz Tourmaline Quartz Zircon
Beginner's Page New Stuff Odds & Ends Specials Parcels Synthetics
Cut Gemstones Gemological Information Gemstone Pricing Guides How to buy Gemstones

Sunstone (Feldspar, Bytonite, Laboradorite, Spectrolite, Orthoclase)

Micro (SUN7.JRG)
By Jeff R. Graham
Copyright 2006
86.3% Light Return
Angles for R.I. = 1.54
49 facets + 16 facets on girdle = 65
8-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.757 T/L = 0.757 P/W = 0.457
C/W = 0.118 H/W = (P+C)/W+0.02 = 0.595 P/H = 0.768 C/H = 0.198 Vol./W^3 = 0.212

Addition # 11 - I know... it looks too simple. Try it. This design is very bright and looks like the face of a flashlight when cut. This is made to be bright, show color and use shallow rough. It works well in colored material and is okay in very light shiller.

 

 

 


Random - Cosine - ISO

Return to OnLine Design Index

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


Copyright 1998-2008 Gram Faceting - All Rights Reserved.