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Alexandrite

Tsarstone collectors guide

SSEF

An independent, international, non-profit organization dedicated to the identification, treatment and origin of gemstones.

SSEF Swiss Gemmological Institute
Homepage Address Contact
www.ssef.ch/ Falknerstrasse 9

Basel CH-4001
Switzerland
N: Henry Hänni
T: +41 61 262 06 40
F: +41 61 262 06 41
E: gemlab@ssef.ch

SSEF laboratory offers analysis of precious stones and issue test reports for diamonds, coloured stones and pearls. It was recognized in 1978 by the International Confederation of Jewellers and Goldsmiths (CIBJO and also a member of the International Coloured Stone Association (ICA).

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