Category:Minerals on stamps of the Soviet Union

Subcategories

This category has the following 2 subcategories, out of 2 total.

Media in category "Minerals on stamps of the Soviet Union"

The following 6 files are in this category, out of 6 total.

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  The Soviet Union 1966 CPA 3307 stamp (7th Crystallography International Congress (12-21.07, Moscow). Emblem - Crystals. Artificially Grown up Crystal of Quartz and Structure of Scheelite Mineral).jpg 968 × 679; 113 KB
  
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  The Soviet Union 1966 CPA 3307 stamp (7th Crystallography International Congress (12-21.07, Moscow). Emblem - Crystals. Artificially Grown up Crystal of Quartz and Structure of Scheelite Mineral).png 968 × 679; 1.81 MB
  
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  The Soviet Union 1968 CPA 3633 stamp (8th International Congress on Mineral Processing (1968, Leningrad). Gem and Emblem).jpg 965 × 687; 129 KB
  
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  The Soviet Union 1968 CPA 3633 stamp (8th International Congress on Mineral Processing (1968, Leningrad). Gem and Emblem).png 965 × 687; 1.91 MB
  
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  The Soviet Union 1968 CPA 3681 stamp with label (Prospecting Geologist with Found Diamond and Red Crystals–Pyropes (Garnets), with label).jpg 1,768 × 895; 264 KB
  
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  The Soviet Union 1968 CPA 3681 stamp with label (Prospecting Geologist with Found Diamond and Red Crystals–Pyropes (Garnets), with label).png 1,768 × 895; 3.79 MB