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Winter 1990, Volume 26, Issue 4 (sold out)

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"Emeraldolite:" A New Synthetic Emerald Overgrowth on Natural Beryl
Dominique Robert, Emmanuel Fritsch, and John I. Koivula


This article describes a new manufactured gem material marketed under the trade name "Emeraldolite," which is an epitaxial growth of flux synthetic emerald on opaque white beryl. The material has a distinctive visual appearance, and is commonly used for jewelry in its "rough" form. The gemological properties of "Emeraldolite" are very similar to those normally shown by flux-grown synthetic emeralds.

Appears on pages 288-293

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