Raw Amber – amber still wears his weathering crust and was not sanded, polished or changed
in any other way.
Natural Amber – is a cut and polished amber, its structure and color have not been artificially modified.
It is thus a natural product unchanged.
Amber Inclusions – natural amber with inclusions, such as parts of plants and small animals.
Pressed amber (ambroid) – is offered for sale as "Real amber". This, however, is not naturally
formed amber, but a product that was obtained from grinding residues
and small pieces pressed in an autoclave together.
Copal – is a resin that is not completely fossilized into amber.
Natural Amber industrial deposits worldwide:
Samland / Baltic region