Kleine Praser and Chromium-bearing Chalcedonies. About a small group of engraved gems

Autor: Gertrud Platz-Horster
Jazyk: francouzština
Rok vydání: 2010
Předmět:
Zdroj: Pallas, Vol 83, Pp 179-202 (2010)
Druh dokumentu: article
ISSN: 0031-0387
2272-7639
DOI: 10.4000/pallas.10993
Popis: As early as 1900, A. Furtwängler identified a small group of green gems under the heading “Gattung der kleinen konvexen Praser”; underneath various descriptive terms a rare gem is concealed, a variety of green translucent chromium-bearing chalcedony. The collection of the Berlin Antikensammlung contains a small group of such gems, but that number, very high in comparison with other prases so far published, offers a reference rich enough to validate Furtwängler’s classifying scheme.
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