GemDialogue color toolbox
Subtitle: cross reference listings of gemstone color systems to GemDialogue colors
By: by Howard Rubin and Gail Brett Levine
Contributors: Levine, Gail Brett
Publisher: GemDialogue Systems
Published: 1997
Place of publication: Rego Park, NY (P.O. Box 7683, Rego Park 11374)
Language: eng
Subjects: Colors; Precious stones; Valuation; Jewelry; Analysis