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SCOTT NO
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599 A78
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DATE OF ISSUE
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1988 Jan 18
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FACE VALUE
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1 sh
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COUNTRY
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Uganda
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DESCRIPTION
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The stamp shows Columbite-Tantalite. The two minerals of this series have similar properties since they have the same structure and similar chemistries (tantalum and niobium are very similar elements).
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MINERAL
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Columbite, Tantallite
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