kempiten.
/ˈkɛmpʌɪt/ Mineralogy.
An emerald-green basic chloride of manganese, Mn2(OH)3Cl, found in California.
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the world > the earth > minerals > types of mineral > halides > [noun] > other chlorides or oxychlorides
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kempite1924
1924 A. F. Rogers in Amer. Jrnl. Sci. 208 150 The name kempite is given in honor of Professor James Furman Kemp.
1949 Bull. Geol. Soc. Amer. 60 1944 It seems likely that the formula of kempite is MnCl2. 3MnO.3H2O.
1968 I. Kostov Mineral. 195 Kempite is orthorhombic-dipyramidal, occurring as a weathering product of a manganese deposit.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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