psilomelane
/sahy-lom-uh-leyn/US // saɪˈlɒm əˌleɪn //UK // (sɪˈlɒmɪˌleɪn) //
诗意盎然,诗意人生,诗意盎然的生活,诗意盎然地
Definitions
n.名词 noun
- 1
- : a common mineral consisting of a mixture of pyrolusite and other oxides of manganese, usually found in black, rounded masses: an ore of manganese.
Examples
Manganese occurs mainly as black oxide (MnO2) in the mineral pyrolusite; and, in a less pure form, in psilomelane and wad.
As an ore of manganese it is much less abundant than pyrolusite or psilomelane.
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