26 December (Soviet Union, USSR ) within release Precious Stones of the Ural goes into circulation Stamp Amethyst face value 6 Russian kopek
Stamp Amethyst in catalogues | |
---|---|
Michel: | Mi:SU 2848 |
Stamp is square format.
Designer: N. Kruglov. Paper: chalky.Also in the issue Precious Stones of the Ural:
Stamp Amethyst 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