10 September (Mozambique ) within release Minerals of Mozambique goes into circulation Stamp Fluorite face value 20 Mozambican escudo
Stamp Fluorite in catalogues | |
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Michel: | Mi:MZ 717 |
Stamp is square format.
Minerals of MozambiqueAlso in the issue Minerals of Mozambique:
Stamp Fluorite 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