GEOLOGY ON POST STAMPS

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Somalia / Somalia

  Cynober z kwarcem i struktura cynobru.
  Cinnabar with quartz and cinnabar structure.

 		  Chalkopiryt z kwarcem i struktura chalkopirytu.
  Chalcopyrite with quartz and chalcopyrite structure.

  Rutyl zbli¼niaczony i schemat bli¼niaka.
 Twinned rutile and scheme of the twin.

  Piryt zbli¼niaczony i schemat bli¼niaka.
  Twinned pyrite and scheme of the twin.
  Diament i struktura diamentu.
  Diamond and its structure.

  Znaczki wydane w roku 1997.     Stamps issued in 1997.

Coll. A. Kozlowski


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