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GEOLOGY ON POST STAMPS |
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GEOLOGY ON POST STAMPS |
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Gambia / The Gambia
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Od
lewej, górny rząd: stilbit, kwarc dymny, lazuryt, dolny rząd:
ametyst, czarny opal i rubin, w tle agat; bloczek wydany w roku
2004.
Upper row from
left to right: stilbite, smoky quartz, lazurite, lower row: amethyst,
black opal, ruby, picture of an agate in the background, the stamp block issued
in 2004.
Coll. Andrzej Kozlowski
