Stefanos

Karampelas

Assistant Professor
Mineralogy-Gemology

School of Geology

+30 2310 998552

Department of Mineralogy-Economic Geology
School of Geology, Faculty of Sciences
Aristotle University of Thessaloniki
GR-541 24 Thessaloniki, Greece

Short CV Presentation

Assistant Professor whose research focuses on the study of minerals, gems and ornamental stones, with particular emphasis on the application of non-destructive methods to study their genesis and properties. He has published a numerous scientific papers in international peer-reviewed journals, regularly serves as a reviewer of scientific manuscripts, and participates actively in international conferences, scientific symposia, and specialized scientific meetings. He is member of different scientific committees in his field as well as member of the Editorial Boards of international scientific journals.

Studies
1995 - 2000

Aristotle University of Thessaloniki (AUTH)

School of Geology

Bachelor

2001 - 2002

Nantes Université

Département Sciences de la Terre et de l'Univers

Master (DEA Géosciences)

2005 - 2007

Nantes Université

Département Sciences de la Terre et de l'Univers

DU Gemmologie

2003 - 2008

Aristotle University of Thessaloniki (AUTH) and Nantes Université

School of Geology and Institut des Matériaux de Nantes Jean Rouxel (IMN)

PhD (co-tutelle)

Professional Experience
2009 - 2015

Gübelin Gem Lab, Lucerne, Switzerland

Research Scientist

2016

Gem Research Swisslab, Meggen, Switzerland

Senior Research Gemologist

2017 - 2020

Bahrain Institute for Pearls & Gemstones (DANAT), Manama, Bahrain

Research Director

2021 - 2024

Laboratoire Français de Gemmologie (LFG), Paris, France

Responsable Laboratoire

2025 - 2027

Laboratoire Français de Gemmologie (LFG), Paris, France

Research associate

Publications
2026
Evidence for an 'Uncommon' Geographic Origin (Pakistan) of Emeralds in Two Rings of Historical Significance

S. Karampelas, U. Hennebois, A. Delaunay, A. Herreweghe, M.-L. Cassius-Duranton

Journal Papers

2025
The Imperial Crown of the Holy Roman Empire, Part II: Origin Determination of the Gemstones and Pearls

H. A. Gilg, S. Karampelas, T. Lamers, K. Uhlir, M. Griesser, F. Kirchweger

Journal Papers

2025
Study of Garnets in Hellenistic–Roman Jewellery From the Collections of the Archaeological Museum of Thessaloniki, Greece

M. Nikopoulou, S. Karampelas, E. Tsangaraki, L. Papadopoulou, C. Katsifas, I. Nazlis, A. Touloumtzidou, V. Melfos, N. Kantiranis

Journal Papers

2025
Emeralds in Catherine de’ Medici’s Pendant: An Unexpected Geographic Origin

G. Panczer, R. Fesquet, L. Moshi, G. Riondet, M.-L. Cassius-Duranton, L. Gilles-Guéry, A. Delaunay, S. Karampelas

Journal Papers

2025
Gemmological Properties of Opals from Spencer, Idaho, USA

U. Hennebois, S. Karampelas, E. Fritsch, M. Vigier, J.-Y. Mevellec, N. Stephant, Q. Dartois, A. Delaunay

Journal Papers

Courses
2025 - 2026

Mineralogy (Undergraduate)

2025 - 2026

Gemology (Undergraduate)

2025 - 2026

Crystal structure (Undergraduate)

2025 - 2026

Laboratory methods for minerals and rocks (Undergraduate)

2025 - 2026

Gemstones (Postgraduate)