Four Treasures Reference Database
Record No. 4970
Naturfarbene und behandelte gelbe und orange-braune Saphire
Natural and treated yellow and orange-brown sapphires
Journal Article
Schmetzer, K., Bosshart, G. and Hänni, H. (1982) Naturfarbene und behandelte gelbe und orange-braune Saphire. [Natural and treated yellow and orange-brown sapphires] Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 31, pp. 265–279.
Language: In German | not seen
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corundum, sapphire, color.4, inclusions.5, treatments.6, East Africa.12, Sri Lanka.12, Tanzania.12, gems