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SCOTT NO
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240 A32
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DATE OF ISSUE
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1978 Jun 09
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FACE VALUE
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5 p
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COUNTRY
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Tristan Da Cunha
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DESCRIPTION
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The multicolored stamps shows Aragonite. Aragonite is a polymorph of calcite, which means that it has the same chemistry as calcite but it has a different structure, and more importantly, different symmetry and crystal shapes.
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VARIATION DESCRIPTION
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It is an official first day cover issued on local minerals. The meter mark depicts a mineral.
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MINERAL
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Aragonite
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VARIATION
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Meter Mark, First Day Cover, Envelope
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