25 March (Central African Republic ) within release Minerals 2013 goes into circulation Stamp Minerals face value 750 Central African CFA franc
Stamp Minerals in catalogues | |
---|---|
Michel: | Mi: CF 4116 |
Stamp is square format.
Also in the issue Minerals 2013:
Stamp Minerals 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