Amber Terminology and Definitions of IAA

Written by  amber portal

The Terminology and Definitions of Gemstones made of Baltic Amber (succinite) of the International Amber Association

klasyfikacja_1

Natural Baltic amber (Succinite):

gemstone which has undergone mechanical treatment only (for instance: grinding, cutting, turning or polishing) without any change to its natural properties.



klasyfikacja_2Modified Baltic amber (Succinite):

gemstone subjected only to thermal or high-pressure treatment, which changed its physical properties, including the degree of transparency and colour, or shaped under similar conditions out of one nugget, previously cut to the required size.

 

klasyfikacja_5

Reconstructed (pressed) Baltic amber (Succinite):

gemstone made of Baltic amber pieces pressed in high temperature and under high pressure without additional components.

 

klasyfikacja_4

Bonded Baltic amber (Succinite):

gemstone consisting of two or more parts of natural, modified or reconstructed Baltic amber bonded together with the use of the smallest possible amount of a colourless binding agent necessary to join the pieces.

 

 

The following abbreviations can be used to describe gemstone modification degrees:
N – no modification
H – heating
HPHT – high pressure high temperature

International jewellery and gemmology organisations recommend providing customers with exhaustive information on the gemstone modifications applied.