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

Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)

China Check - Reflector (MC6.JRG)
By Jeff R. Graham
Copyright 1999
82.6% Light Return
Angles for R.I. = 1.54
25 facets + 4 facets on girdle = 29
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.442 T/L = 0.442
P/W = 0.435 C/W = 0.169
H/W = (P+C)/W+0.02 = 0.624
P/H = 0.696 C/H = 0.271
Vol./W^3 = 0.285

Addition # 4 - This is fun to cut, there are no meets on the top at C3. Cut them as square as you can. This design has a lot of sparkle, you will be surprised. Cut in about any color and size. This works well in Tourmaline and Topaz. Cut this in R.I. 1.54 to 2.14 (92.5%) without changes.

 

 

 


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 1998-2007 Gram Faceting - All Rights Reserved.