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Interesting minerals of charoite rocks Jerfisherite - Daniel Fisher

The last of the considered by us minerals, found in charoite and named after geologists, mineralogists and naturalists, is djerfisherite. The mineral is weakly stable under surface conditions. Since djerfisherite is an alkaline sulfide with an additional chlorine anion, it cannot impart decorative qualities to charoite. Jerfisherite in charoitites is rare in the form of insignificant grains and very insignificant quantities. The mineral was named by a mineralogist and meteorite researcher at the University of Chicago (Illinois, USA) Louis H. Fuchs (1915-1991) in 1966 in honor of Daniel Jerome (Jerry) Fisher 1896-1988), professor of mineralogy from the same university and one of the presidents of the Mineralogical Society of America (USA).

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