22 October (Croatia ) within release Rocks and Minerals (2020) goes into circulation Stamp Lithothamnion Limestone face value 5 Croatian kuna
Stamp Lithothamnion Limestone in catalogues | |
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Colnect codes: | Col: HR 2020-28b |
Stamp is square format.
stamp from souvenir sheetAlso in the issue Rocks and Minerals (2020):
Data entry completed
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Stamp Lithothamnion Limestone in digits | |
Country: | Croatia |
Date: | 2020-10-22 |
Perforation: | 14 |
Emission: | Commemorative |
Format: | Stamp |
Face Value: | 5 Croatian kuna |
Print run: | 30000 |
Stamp Lithothamnion Limestone 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
In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition, and the way in which it is formed. Rocks form the Earth's outer solid layer, the crust, and most of its interior, except for the liquid outer core and pockets of magma in the asthenosphere. The study of rocks involves multiple subdisciplines of geology, including petrology and mineralogy. It may be limited to rocks found on Earth, or it may include planetary geology that studies the rocks of other celestial objects.