March/April 2007 Colored Stone

March/April 2007

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MARCH/APRIL 2007
Volume 20 • No. 2
TABLE OF CONTENTS

ON THE COVER: Flame ring by Lee Krombholz of Krombholz Jewelers. The rendering is above; the finished piece is below, set with an 11-carat peridot and additional diamonds in the mounting. Photo courtesy Krombholz Jewelers.

contents
Editorial	4
News	6
What's In	8
Eye on Supply: Mozambique Tourmaline	10
Winner's Circle	12
A Global Mix The Tucson gem and mineral shows were caught in international market currents.	16
Considering CAD Computer-aided design is changing the shape of jewelry making.	20
Gemology CSI As the technological stakes get higher and higher, gem labs need to ante up or fold.	24
Waking Sleeping Beauty Even at 100, Van Cleef & Arpels hasn’t lost its sparkle.	28
Optical Optimization Optical sorting technology means more gemstones for all.	32
Resources	36
Calendar	37
How to Contact Us	42
online features
China's Gemstone Market Booms China ’s gemstone market: Where are they now?
advertising sections
Classifieds	40
Web Directory	42
Advertiser Index	42

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