Psilomelane is a 11 letter English word.
You can make 1110 anagrams from letters in psilomelane (aeeillmnops).
1825-35; Greek psīló(s) bare, smooth + mélan, neuter of mélas black
As an ore of manganese it is much less abundant than pyrolusite or psilomelane.
Manganese occurs mainly as black oxide (MnO2) in the mineral pyrolusite; and, in a less pure form, in psilomelane and wad.
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