Stamps Category Minerals

1026 - Mineral, petrified wood
joaquín iturrioz
Emerald
Pedro Gruenholz
gold casting
carlos ródenas ferré
.
carlos ródenas ferré
Agate stone
Pedro Gruenholz
1691 - Aquamarine mineral from Irfersgrun
joaquín iturrioz
1690 - Geyer's amethyst mineral
joaquín iturrioz
1688 - Quartz mineral from Pechtelsgrun
joaquín iturrioz
1431 - Minerals from the GDR, merkers halite
joaquín iturrioz
1429 - Mineral, malachite d'ullersreuth
joaquín iturrioz