05 January (Zambia ) within release Minerals goes into circulation Stamp Tourmaline face value 32 Zambian ngwee
Stamp Tourmaline in catalogues | |
---|---|
Michel: | Mi:ZM 271 |
Stamp Number: | Sn:ZM 261 |
Yvert et Tellier: | Yt:ZM 256 |
Stamp is square format.
Also in the issue Minerals:
Stamp Tourmaline 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