Author: Mgr., PhD. Daniel Ozdín

List of articles:


Minerals on stamps (V.) - Tourmaline

The fifth part of the interesting overview of postage stamps devoted not only to minerals and mineralogy but also to other related areas (gemmology, crystallography, meteoritics) as well as personalities, museums with expositions of minerals, precious stones in crown jewels, etc.

Minerals on stamps (IV.) - Nelson Mandela and minerals

The fourth part of the overview of postage stamps devoted not only to minerals and mineralogy but also to other related areas (gemmology, crystallography, meteoritics) as well as personalities, museums with expositions of minerals, precious stones in crown jewels, etc.



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