Research Library

Iridescent natural glass from Mexico

Iridescent natural glass from Mexico. Published in Journal of Gemmology, 1989.

Author(s): H.A. Haenni

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Irisierendes natürliches Glass aus Mexiko

Irisierendes natürliches Glass aus Mexiko. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1989.

Author(s): H.A. Haenni

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El diamante verde de Dresden

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El diamante verde de Dresden. Published in Revista Suiza de relojeria y joyeria, 1989.

Author(s): G. Bosshart

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