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- Title
AQUAMARINE, MAXIXE-TYPE BERYL, AND HYDROTHERMAL SYNTHETIC BLUE BERYL: ANALYSIS AND IDENTIFICATION.
- Authors
Adamo, Ilaria; Pavese, Alessandro; Prosperi, Loredana; Diella, Valeria; Ajò, David; Gatta, G. Diego; Smith, Christopher P.
- Abstract
Aquamarine, Maxixe-type (irradiated) beryl, and two types of hydrothermally grown synthetic blue beryl currently available in the marketplace were investigated by classical gemological methods, chemical analysis, and UV-Vis-NIR and mid-IR spectroscopy. These materials may be conclusively identified by a combination of these techniques. The Maxixe-type beryl (like naturalcolor Maxixe beryls) is distinguishable by its unusual dichroism, green UV fluorescence (when present), Fe-free chemical composition, and distinctive UV-Vis-NIR spectrum. The hydrothermal synthetic blue beryls can be discriminated from their natural counterparts on the basis of microscopic features, chemical composition, and visible and infrared spectroscopic features.
- Subjects
BERYL; GEMS &; precious stones; SPECTRUM analysis; FLUORESCENCE; SYNTHETIC products; ANALYTICAL chemistry
- Publication
Gems & Gemology, 2008, Vol 44, Issue 3, p214
- ISSN
0016-626X
- Publication type
Article
- DOI
10.5741/GEMS.44.3.214