Category:Crystallography on stamps

Media in category "Crystallography on stamps"

The following 3 files are in this category, out of 3 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) cancelled.jpg 1,949 × 1,416; 713 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).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