landesiten.
/ˈlandiːzʌɪt/ Mineralogy.
A brown hydrated phosphate of manganese and ferric iron, occurring as an alteration product of reddingite at Berry Quarry, Poland, Maine, U.S.A.
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the world > the earth > minerals > types of mineral > phosphates > [noun] > iron or manganese phosphates
hureaulite1831
heterosite1834
triplite1850
zwieselite1861
reddingite1878
triploidite1878
purpurite1905
stewartite1912
phosphoferrite1921
landesite1930
rockbridgeite1949
wolfeite1949
kryzhanovskite1951
strunzite1958
switzerite1967
1930 Berman & Gonyer in Amer. Mineralogist 15 385 This mineral seems to represent a new species for which the name landesite is here proposed in honor of Professor Kenneth K. Landes who has done much work on the pegmatites of Maine.
1964 Amer. Mineralogist 49 1123 The landesite formula is better expressed in the following manner... [Mn2 +1 − x(Fe3 +OH)x]3 [(3 − 3x)H2O] (PO4)2 in which, for type landesite, x is approximately 0·25.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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