15 October (Kazakhstan ) within release Minerals goes into circulation Stamp Azurite face value 20 Kazakhstani teńge
Stamp Azurite in catalogues | |
---|---|
Michel: | Mi:KZ 190 |
Stamp is vertical format.
Also in the issue Minerals:
Stamp Azurite it reflects the thematic directions:
In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form