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Article: Signity Passion Topaz.(SUPPLIERS)
- Article from:
- Modern Jeweler
- Article date:
- March 1, 2006
CopyrightCOPYRIGHT 2006 Cygnus Business Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Signity, Austin, Texas, has a U.S. patent pending for its "Passion Topaz," created through an enhancement process called thermal color fusion. A chemical heat treatment is applied to white topaz. Colors ...