 |
GEOLOGY ON POST STAMPS |
|
|
GEOLOGY ON POST STAMPS |
|
Niemiecka Republika Demokratyczna / German Democratic Republic
 |
 |
 |
Jaspis pasiasty z Gnadnstein Banded jasper
from Gnadnstein |
Kwarc dymny z Pechtelsgrün Smoky quartz
from Pechtelsgrün |
Topaz z Schneckenstein Topaz from
Schneckenstein |
 |
 |
 |
|
Ametyst z Geyer Amethyst
from Geyer |
Akwamaryn z Irfersgrün Aquamarine
from Irfersgrün |
Agat z St. Egidien Agate from
St. Egidien |
Minera³y
ze zbiorów Akademii Górniczej we Freibergu.
Minerals from the
collections of the Mining Academy in Freiberg.
Coll. Tomasz Praszkier
