Posts of : G. Bosshart

Ramaura – une nouvelle synthèse de rubis

Ramaura – une nouvelle synthèse de rubis. Published in Journal Suisse des horlogers et des bijoutiers-orfèvres, 1985.

Author(s): G. Bosshart

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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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Cubic stabilized zirconias

This article contains a short survey on the stability of zirconias and their growth as stable cubic single crystals, followed by physical and crystallographic data on transparent rough and brilliant-cut material. The chemical compositions of yttria-stabilitzed zirconias is verified by means of rarely used formulas.

Author(s): G. Bosshart

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