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出典:Wiktionary
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seeligerite
出典:Wikipedia
出典:『Wikipedia』 (2011/01/25 21:36 UTC 版)
Seeligerite is a rare complex lead chlorate iodate mineral with formula: Pb3Cl3(IO3)O. It is a yellow mineral crystallizing in the orthorhombic system. It has perfect to good cleavage in two directions and a quite high specific gravity of 6.83 due to the lead content. It is translucent to transparent with refractive indices of nα=2.120 nβ=2.320 nγ=2.320.