16 November (South-West Africa ) within release Minerals goes into circulation Stamp Fluorite face value 2 South African cent
Stamp Fluorite in catalogues | |
---|---|
Michel: | Mi:NA-SW 650 |
Stamp is square format.
Also in the issue Minerals:
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