Tag : Sapphire

A contribution to the distinguishing characteristics of sapphires from Kashmir

A contribution to the distinguishing characteristics of sapphires from Kashmir. Published in Journal of Gemmology, 1990.

Author(s): H.A. Haenni

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Naturfarbene und behandelte gelbe und orange-braune Sapphire

Naturfarbene und behandelte gelbe und orange-braune Sapphire. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1982.

Author(s): K. Schmetzer, G. Bosshart, H.A. Haenni

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