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SCOTT NO
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1348 A408
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DATE OF ISSUE
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1990 Jun 29
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FACE VALUE
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6 b
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COUNTRY
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Thailand
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DESCRIPTION
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The stamps shows the ore of fluorite. Fluorite is the natural crystalline form of calcium fluoride (CaF2). It is a transparent to translucent, glassy mineral. When pure, fluorite is blue-black; a single crystal may have bands of several colors.
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GEMSTONE
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Fluorite, Precious Stone
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VARIATION
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Meter Mark, Block, Souvenir Sheet, Proof, First Day Cover, PC, Postal Stationery, Envelope
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