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| Name: | After L.J. Igelström (1822-1897), Swedish mineralogist. NOTE: The same name was used by M. Weibull (1883) for "Knebelite" (A variety of Fayalite-Tephroite Series)from Väster - Silvberg, Ludvika, Dalarna, Sweden | ||
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| Synonym of: | Pyroaurite | ||
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