25 May (Vanuatu ) within release The Best of the Smithsonian (2021) goes into circulation Stamp Mineral Sciences face value 180 Vanuatu vatu
Stamp Mineral Sciences in catalogues | |
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Michel: | Mi: VU 1580 |
Yvert et Tellier: | Yt: VU 1538 |
Stamp is square format.
Also in the issue The Best of the Smithsonian (2021):
Stamp Mineral Sciences 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