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GEOLOGY ON POST STAMPS |
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GEOLOGY ON POST STAMPS |
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Bośnia i Hercegowina / Bosnia and Herzegovina
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Tuzlait 
Tuzlaite |
Syderyt
Siderite |
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Hialofan
Hyalophane |
Kwarc
Quartz |
Tuzlait,
syderyt, hialofan i kwarc; znaczki wydane w
roku 1999.
Tuzlaite, siderite,
hyalophane and quartz; stamps issued in 1999.
Images courtesy A. Zydorczak
